JP2015005851A - Video display system and program for video display - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently grasp surrounding conditions.SOLUTION: A video accumulation device 2 includes: a storage control unit 23 for making a storage unit 21 store video in association with positions of a plurality of imaging devices 1; and an accumulation device communication unit 22 for receiving position information from a spectacle type display device 3, and transmitting video which is stored in the storage unit 21 and associated with the position information to the spectacle type display device 3. The spectacle type display device 3 includes: a display unit 31; a position detection unit 32 for detecting a position of the spectacle type display device 3; a spectacle communication unit 33 for transmitting position information showing the position detected by the position detection unit 32 to the video accumulation device 2, and receiving video corresponding to the position information from the video accumulation device 2; and a display control unit 34 for making the display unit display the video received by the spectacle communication unit 33.

Description

  The present invention relates to a video display system and a video display program.

  Conventionally, for the purpose of crime prevention or the like, monitoring cameras are installed at a plurality of locations, and an alarm is notified to a guard or the like in response to detection of an intrusion of a suspicious person or the like. For example, in Patent Document 1, a plurality of monitoring cameras and an intrusion sensor are installed in the vicinity of a monitoring target, and an image is taken within a predetermined range from the detection time in response to the intrusion sensor detecting an intrusion. A monitoring system is disclosed in which a group of still images is sent by e-mail to a mobile terminal held by a security guard via a network.

JP 2004-140586 A

  However, in the monitoring system described in Patent Document 1, when the mobile terminal possessed by the guard receives a mail about the still image group, the guard needs to perform a predetermined operation on the mobile terminal and browse the still image group. There is. For this reason, in the monitoring system described in Patent Literature 1, it is difficult for the security guard to quickly browse the still image group when tracking the intruder.

  Security guards are also required to appropriately grasp the surrounding situation even during normal patrols where no intrusion has occurred. However, in the monitoring system described in Patent Document 1, a still image group is transmitted to a guard only when an intruder is detected. Therefore, there is a problem that the guards who are traveling cannot perform efficient monitoring using the monitoring camera in normal times.

  Therefore, the present invention has been made in view of these points, and an object thereof is to provide a video display system and a video display program capable of efficiently grasping the surrounding situation.

  In the first aspect of the present invention, a plurality of imaging devices, a video storage device that stores videos taken by the plurality of imaging devices, and a glasses-type display device that displays videos acquired from the video storage devices, The video storage device includes a storage control unit that associates position information indicating the position of each of the plurality of photographing devices with the video, and stores the video in the storage unit, and the glasses-type display. A storage device communication unit that receives position information from a device and transmits the image stored in the storage unit and associated with the position information corresponding to the position information to the glasses-type display device; The type display device transmits a display unit, a position detection unit that detects a position of the glasses-type display device, and position information indicating the position detected by the position detection unit to the video storage device, and the position information Providing a spectacle communication unit for receiving a corresponding said image from said image storage device, a display control unit for displaying the image which the glasses communication unit receives on the display unit, the video display system having a.

  According to a second aspect of the present invention, there is provided a video display system comprising a plurality of glasses-type display devices and a video storage device for storing video, wherein the glasses-type display device includes a photographing unit for photographing the video, A display unit, a position detection unit that detects a position of the glasses-type display device, a video imaged by the imaging unit, position information indicating the position at the time of imaging by the imaging unit, and the glasses-type display device A glasses communication unit that transmits identification information to the video storage device, and the video storage device receives the position information, the video, and the identification information from the glasses-type display device; A storage control unit that stores the positional information, the video, and the identification information in association with each other, and the storage device communication unit displays video request information indicating a video acquisition request from the glasses-type display device And above In response to receiving the information, the video corresponding to the position information is extracted from the storage unit and transmitted to the glasses-type display device, and the glasses communication unit transmits the position information and the video request information. Display control for transmitting to the video storage device and receiving a video associated with the position information from the video storage device, wherein the glasses-type display device displays the video received by the glasses communication unit on a display unit Provided is a video display system further comprising a unit.

  In the video display system, the video storage device, based on the position information received from the glasses-type display device, a movement direction specifying unit that specifies a movement direction of the glasses-type display device, the position information, and the position information A selection unit that selects a video to be transmitted to the glasses-type display device from among the plurality of videos based on a moving direction and positions where the plurality of videos stored in the storage unit are captured; You may have.

  In the video display system, the glasses-type display device further includes a direction detection unit that detects a direction of the glasses-type display device, and the glasses communication unit associates the position information with the direction detection unit. Orientation information indicating the detected orientation is transmitted to the video storage device, and the video storage device is based on the position information and the orientation information, and the positions at which the plurality of videos stored in the storage unit are captured. In addition, a selection unit that selects a video to be transmitted to the glasses-type display device from the plurality of videos may be further included.

  In the video display system, the storage unit of the video storage device stores a plurality of reference information to be displayed on the glasses-type display device in association with a plurality of positions within a range in which the glasses-type display device moves. The selection unit may select reference information to be transmitted to the glasses-type display device from among the plurality of reference information based on the position information and the moving direction.

  In a third aspect of the present invention, a computer provided in the eyeglass-type display device that displays the video received from the video storage device that stores the video taken by a plurality of imaging devices is used as the computer-type display device. A position detection unit for detecting a position, a position information indicating the position detected by the position detection unit, transmitting to the image storage device, and a communication unit for receiving the image corresponding to the position information from the image storage device, and Provided is a video display program for causing a display control unit to display the video received by a communication unit on a display unit.

  According to a fourth aspect of the present invention, a computer provided in an eyeglass-type display device that includes an imaging unit that captures an image and a display unit that displays the image is a position for detecting the position of the eyeglass-type display device. The first position information indicating the position detected by the position detection unit is transmitted to another glasses-type display device, the video corresponding to the first position information is received from the glasses-type display device, and the other Communication for transmitting the video corresponding to the second position information to the glasses-type display device in response to receiving second position information indicating the position detected by the glasses-type display device from the glasses-type display device And a video display program for causing the display unit to function as a display control unit for displaying the video received by the communication unit on a display unit.

  In a fifth aspect of the present invention, a computer provided in a portable terminal associated with a glasses-type display device that displays the video received from a video storage device that stores video captured by a plurality of imaging devices, A position detection unit that detects a position of the mobile terminal corresponding to the position of the glasses-type display device, and transmits position information indicating the position detected by the position detection unit to the video storage device, and the position information corresponding to the position information There is provided a video display program for causing a communication unit to receive video from the video storage device and a display control unit to display the video received by the communication unit on a display unit of the glasses-type display device.

  In a sixth aspect of the present invention, a computer provided in a portable terminal associated with an eyeglass-type display device comprising an imaging unit for taking an image and a display unit for displaying the image is used as the eyeglass-type display device. A position detection unit that detects the position of the mobile terminal corresponding to the position of the mobile station, and transmits first position information indicating the position detected by the position detection unit to another mobile terminal associated with another glasses-type display device; The video corresponding to the first position information is received from the portable terminal, and the second position information indicating the position detected by the glasses-type display device associated with the other portable terminal is received from another portable terminal. Accordingly, a communication unit that transmits the video corresponding to the second position information to the mobile terminal, a display control unit that displays the video received by the communication unit on a display unit of the glasses-type display device, function To provide a video display program for causing.

  According to the present invention, it is possible to efficiently grasp the surrounding situation.

It is a figure which shows the outline | summary of the video display system which concerns on 1st Embodiment. In 1st Embodiment, it is a figure which shows the state by which the several imaging device is installed in the predetermined | prescribed facility. In the video display system concerning a 1st embodiment, it is a sequence figure until a video is displayed on a spectacles type display device. It is a figure which shows the outline | summary of the video display system which concerns on 2nd Embodiment. In 2nd Embodiment, it is a figure which shows the position of the some spectacles type display apparatus in a predetermined | prescribed facility. In the video display system concerning a 2nd embodiment, it is a sequence figure until a video is displayed on a spectacles type display device. It is a figure which shows the outline | summary of the video display system which concerns on 3rd Embodiment. In 3rd Embodiment, it is a figure which shows the position of the spectacles type display apparatus in a predetermined | prescribed facility, and several imaging device. It is a figure which shows the outline | summary of the video display system which concerns on 4th Embodiment. In 4th Embodiment, it is a figure which shows the position of the spectacles type display apparatus in a predetermined | prescribed facility, and several imaging device. It is a figure which shows the outline | summary of the video display system which concerns on 6th Embodiment. It is a figure which shows the outline | summary of the video display system which concerns on 7th Embodiment. It is a figure which shows the outline | summary of the video display system which concerns on 8th Embodiment.

<First Embodiment>
[Outline of video display system S]
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram showing an overview of a video display system S according to the first embodiment. The video display system S is a system used for security in facilities such as buildings and factories, for example, and includes a plurality of photographing devices 1, a video storage device 2, and a glasses-type display device 3.

  The plurality of photographing devices 1 are installed in a facility, photograph a part of the facility, and transmit the photographed video to the video storage device. FIG. 2 is a diagram illustrating a state in which a plurality of imaging devices are installed in a passage of a predetermined facility in the first embodiment. In FIG. 2, black circles indicate the photographing device 1. Moreover, in FIG. 2, the area | region enclosed by the channel | path has shown the room and the building.

The video storage device 2 stores videos shot by the plurality of shooting devices 1. The glasses-type display device 3 is worn by, for example, a guard who goes around and monitors the facility. The glasses-type display device 3 transmits position information indicating the position of the glasses-type display device 3 to the video storage device 2, and receives and displays a video corresponding to the position information from the video storage device 2.
Next, the configuration of the imaging device 1, the video storage device 2, and the glasses-type display device 3 included in the video display system S will be described.

[Functional configuration of photographing apparatus 1]
First, the functional configuration of the photographing apparatus 1 will be described. A device ID is assigned to each of the plurality of photographing devices 1 as identification information for identifying the photographing device 1. Each of the plurality of imaging devices 1 includes an imaging unit 11 and a video transmission unit 12.
The photographing unit 11 photographs a part of the facility. The video transmission unit 12 transmits the video captured by the imaging unit 11 and the device ID of the imaging device 1 to the video storage device 2.

[Functional configuration of video storage device 2]
Next, the functional configuration of the video storage device 2 will be described. The video storage device 2 includes a storage unit 21, a storage device communication unit 22, and a storage control unit 23. Note that the video storage device 2 may include a display unit configured by a liquid crystal display, an organic EL (Electro-Luminescence) display, or the like, or an input unit configured by a keyboard, a mouse, or the like.

  The storage unit 21 includes, for example, a ROM (Read Only Memory), a RAM (Random Access Memory), a hard disk, and the like. The storage unit 21 stores videos captured by the plurality of imaging devices 1 in association with position information indicating the position of the imaging device 1. Specifically, the storage unit 21 stores a device ID, position information indicating a position where the photographing device 1 with the device ID is installed, and a video photographed by the photographing device 1 with the device ID in association with each other. .

  The storage device communication unit 22 communicates with the plurality of photographing devices 1 and the glasses-type display device 3 via a wired or wireless network such as the Internet and a LAN. Specifically, the storage device communication unit 22 receives the device ID of the photographing device 1 and the video photographed by the photographing device 1 from each of the plurality of photographing devices 1.

  In addition, the storage device communication unit 22 receives the position information from the glasses-type display device 3, and transmits an image stored in the storage unit 30 and associated with the position information corresponding to the position information to the glasses-type display device 3. To do. Specifically, the storage device communication unit 22 receives position information indicating the position of the glasses-type display device 3 from the glasses-type display device 3. Subsequently, the storage device communication unit 22 has received position information that is stored in the storage unit 30 and that is closest to the received position information among position information that indicates a position within a predetermined distance from the position indicated by the received position information. The position information corresponding to the position information is specified. Subsequently, the storage device communication unit 22 specifies the video associated with the specified position information. Then, the storage device communication unit 22 transmits the identified video to the glasses-type display device 3.

  For example, it is assumed that the storage device communication unit 22 receives the position information corresponding to the position P when a guard who is traveling around the facility shown in FIG. In this case, the storage device communication unit 22 identifies the video imaged by the imaging device 1A arranged closer to the predetermined range A indicating the range within the predetermined distance from the position P, and uses the video image as the glasses-type display device. 3 to send. In the example shown in FIG. 2, the position P of the guard and the photographing apparatus 1A are blocked by a room or a building, and the photographing apparatus 1A becomes a blind spot from the position P. Since the video display system S thus specifies the transmission of the video of the photographing device 1A that corresponds to the blind spot from the position P of the security guard to the glasses-type display device 3, the security guard grasps the situation of the location that becomes the blind spot. be able to. Therefore, the security guard who is guarding can be guarded while predicting the risk of lurking in a position slightly ahead or at a blind spot, thus increasing safety.

  Here, the predetermined distance is a predetermined distance (for example, 20 m), but is not limited thereto. For example, an acceleration sensor may be provided in the glasses-type display device 3, the moving speed may be calculated based on the acceleration detected by the acceleration sensor, and the moving speed may be calculated based on the moving speed. For example, the glasses-type display device 3 may obtain the predetermined distance by multiplying the moving speed by a predetermined number. In this case, the glasses-type display device 3 sets the predetermined number to 20, and when the moving speed is 2 m / s, the predetermined speed is set to 40 m.

  Note that the storage device communication unit 22 may periodically transmit the video received from the imaging device 1 corresponding to the received position information to the glasses-type display device 3. Further, the storage device communication unit 22 refers to the storage unit 21, and corresponds to the received position information a plurality of position information indicating positions within a predetermined distance from the position indicated by the position information received from the glasses-type display device 3. The position information may be specified. In this case, the storage device communication unit 22 transmits an image corresponding to each of the plurality of pieces of position information to the glasses-type display device 3. In the glasses-type display device 3, a plurality of videos may be displayed side by side, or a plurality of videos may be displayed while being switched.

  The storage control unit 23 stores the position information indicating the positions of the plurality of imaging devices 1 and the video in the storage unit 21 in association with each other. Specifically, the storage control unit 23 associates the device ID received by the storage device communication unit 22, the position information corresponding to the device ID, and the video captured by the imaging device 1 related to the device ID. The data is stored in the storage unit 21. Note that the storage control unit 23 may cause the storage unit 21 to store video for a predetermined time from the current time. In this case, for example, the storage control unit 23 deletes an image older than a predetermined time before the current time from the storage unit 21.

[Functional configuration of glasses-type display device]
Next, the functional configuration of the glasses-type display device 3 will be described.
The glasses-type display device 3 includes a display unit 31 that is worn around the eyes like glasses and can be directly viewed by a guard, and displays the video acquired from the video storage device 2.

  The glasses-type display device 3 includes a storage unit (not shown) and a control unit (not shown). The storage unit of the glasses-type display device 3 includes, for example, a RAM or a ROM, and stores a video display program that causes the computer to function as the position detection unit 32, the glasses communication unit 33, and the display control unit 34. ing. The control unit of the glasses-type display device 3 causes the glasses-type display device 3 to function as the position detection unit 32, the glasses communication unit 33, and the display control unit 34 by executing a video display program. The storage unit of the glasses-type display device 3 may store a video display program stored in a storage medium, or may store a video display program downloaded via a network.

  The position detection unit 32 detects the position of the glasses-type display device 3 by acquiring the position information of the glasses-type display device 3. Specifically, the position detection unit 32 detects the position of the glasses-type display device 3 by calculating position information by calculating signals transmitted from a plurality of GPS (Global Positioning System) satellites. In addition, the position detection part 32 may detect the position of the spectacles type display apparatus 3 not only with GPS but with another method. For example, the position detection unit 32 may receive a radio wave transmitted from a base station of a mobile phone and detect the position based on the radio wave intensity of the radio wave.

  For example, the eyeglass communication unit 33 periodically transmits position information indicating the position detected by the position detection unit 32 to the video storage device 2. For example, when a guard in patrol of the facility shown in FIG. 2 exists at the position P, the glasses communication unit 33 transmits position information corresponding to the position P to the video storage device 2.

Subsequently, the eyeglass communication unit 33 receives a video corresponding to the position information from the video storage device 2. For example, when the security guard during the patrol of the facility shown in FIG. 2 is present at the position P, the glasses communication unit 33 receives the video imaged by the imaging device 1A.
The display control unit 34 causes the display unit 31 to display the video received by the glasses communication unit 33.

[Basic sequence]
Next, a flow of processing until a video is displayed on the glasses-type display device 3 in the video display system S will be described. FIG. 3 is a sequence diagram until video is displayed on the glasses-type display device 3 in the video display system S. Note that it is assumed that the image capturing device 1 transmits the image captured by the image capturing unit 11 as needed to the image storage device 2, and the image storage device 2 stores the received image in the storage unit 21.

First, the position detection unit 32 detects the position of the glasses-type display device 3 (S1). Subsequently, the eyeglass communication unit 33 transmits position information indicating the position detected by the position detection unit 32 to the video storage device 2.
Subsequently, the storage device communication unit 22 specifies position information corresponding to the position information from the storage unit 21 in response to receiving the position information. Then, the storage device communication unit 22 identifies the video associated with the identified position information (S2). Subsequently, the storage device communication unit 22 transmits the identified video to the glasses-type display device 3.
When the glasses communication unit 33 receives a video from the video storage device 2, the display control unit 34 displays the video on the display unit 31 (S3). Thereby, the video imaged by the imaging unit 11 of the imaging device 1 is displayed in real time on the display unit 31 of the glasses-type display device 3.

[Effect in the first embodiment]
As described above, in the video display system S according to the first embodiment, the glasses-type display device 3 transmits the position information indicating the position of the glasses-type display device 3 to the video storage device 2 by the glasses communication unit 33. A video corresponding to the position information is received from the video storage device, and the display control unit 34 causes the display unit 31 to display the video received by the glasses communication unit 33.
By doing in this way, the video display system S can make the guard wearing the spectacles type display device 3 efficiently grasp the surrounding situation.

<Second Embodiment>
[Display images taken with other glasses-type display devices]
Next, the second embodiment will be described. The second embodiment is different from the first embodiment in that the glasses-type display device 3 displays an image captured by another glasses-type display device 3.

FIG. 4 is a diagram showing an overview of the video display system S according to the second embodiment. The video display system S includes a video storage device 2 and a plurality of glasses-type display devices 3.
The plurality of glasses-type display devices 3 include a photographing unit 35 in addition to the configuration provided in the glasses-type display device 3 according to the first embodiment.

The display unit 31, the position detection unit 32, and the display control unit 34 have the same functions as those of the display unit 31, the position detection unit 32, and the display control unit 34 according to the first embodiment, and thus description thereof is omitted.
The photographing unit 35 is configured to be able to photograph the direction in which the guard is facing, for example, when the guard is wearing the glasses-type display device 3.

The eyeglass communication unit 33, the image captured by the image capturing unit 35, the position information indicating the position of the eyeglass-type display device 3 at the time of image capturing by the image capturing unit 35, and the eyeglass ID indicating the identification information of the eyeglass-type display device 3 Is transmitted to the video storage device 2.
The eyeglass communication unit 33 also includes video request information indicating a request for acquisition of a video captured by another spectacle-type display device 3, eyeglass ID, and position information indicating a position detected by the position detection unit 32. Is periodically transmitted to the video storage device 2.

The storage device communication unit 22 receives from the glasses-type display device 3 an image captured by the glasses-type display device 3, glasses ID, and position information indicating the position of the glasses-type display device 3.
The storage control unit 23 associates the video received by the storage device communication unit 22, the glasses ID, and the position information, and stores them in the storage unit 21.

  Further, the storage device communication unit 22 extracts the video corresponding to the position information with reference to the storage unit 21 in response to receiving the video request information, the position information, and the glasses ID from the glasses-type display device 3. The video is transmitted to the glasses-type display device 3.

Specifically, the storage device communication unit 22 sets the eyeglass ID different from the received eyeglass ID from the storage unit 21 in response to receiving the video request information, the position information, and the eyeglass ID from the eyeglass type display device 3. Of the associated position information, position information corresponding to a position within a predetermined distance from the position indicated by the received position information is specified. Subsequently, the storage device communication unit 22 extracts a video associated with the specified position information from the storage unit 21 and transmits the video to the glasses-type display device 3.
When the glasses communication unit 33 receives the video from the storage device communication unit 22, the display control unit 34 causes the display unit 31 to display the received video.

  FIG. 5 is a diagram illustrating the positions of a plurality of eyeglass-type display devices in a predetermined facility in the second embodiment. For example, as shown in FIG. 5, there is a first guard who wears the glasses-type display device 3A at the position P1, and there is a second guard who wears the glasses-type display device 3B at the position P2. It is assumed that there is a third guard who wears the glasses-type display device 3C at P3.

  In this case, it is assumed that shooting is performed in the glasses-type display devices 3A to 3C and the video storage device 2 stores a video corresponding to the shooting. In this case, it is assumed that the glasses communication unit 33 of the glasses-type display device 3B transmits the image request information, the position information indicating the position P2, and the glasses ID. Then, the storage device communication unit 22 refers to the storage unit 21, and among the position information associated with the spectacle ID different from the received spectacle ID, a position within a predetermined distance from the position indicated by the received position information (predetermined range) As the position information corresponding to (the position included in A), the position information corresponding to the position P1 is specified. Then, the storage device communication unit 22 identifies a video corresponding to the position information, that is, a video shot at the position P1, and transmits the video to the glasses-type display device 3B. Subsequently, when the glasses communication unit 33 of the glasses-type display device 3B receives the video, the display control unit 34 causes the display unit 31 of the glasses-type display device 3B to display the video shot at the position P1.

[Basic sequence]
Next, a flow of processing until a video is displayed on the glasses-type display device 3 in the video display system S will be described. FIG. 6 is a sequence diagram until an image captured by the first glasses-type display device 3A is displayed on the second glasses-type display device 3B.

  First, the photographing unit 35 of the first glasses-type display device 3A performs photographing (S11). Subsequently, the position detector 32 of the first glasses-type display device 3A detects position information (S12). The glasses communication unit 33 of the first glasses-type display device 3 </ b> A transmits the image captured in S <b> 11, the position information corresponding to the position detected in S <b> 12, and the glasses ID to the image storage device 2. When the storage device communication unit 22 of the video storage device 2 receives the video, position information, and eyeglass ID, the storage control unit 23 stores the received video, position information, and eyeglass ID in association with each other (S13). .

Subsequently, the position detector 32 of the second glasses-type display device 3B detects the position of the glasses-type display device 3 (S14). Subsequently, the glasses communication unit 33 of the second glasses-type display device 3 </ b> B transmits the image request information, the position information indicating the detected position, and the glasses ID to the image storage device 2.
Subsequently, the storage device communication unit 22 specifies the video corresponding to the position information from the storage unit 21 in response to receiving the position information and the eyeglass ID (S15). Subsequently, the storage device communication unit 22 transmits an image to the second glasses-type display device 3B. When the glasses communication unit 33 of the second glasses-type display device 3B receives the video from the video storage device 2, the display control unit 34 displays the video on the display unit 31 (S16). Thereby, the video imaged by the imaging unit 35 of the first glasses-type display device 3A is displayed on the display unit 31 of the second glasses-type display device 3B.

[Effects of Second Embodiment]
As described above, in the video display system S according to the second embodiment, the glasses-type display device 3 corresponds to the position information of the glasses-type display device 3 and the video captured by the other glasses-type display device 3 is video. Since the information is received from the storage device 2 and displayed, the guard wearing the glasses-type display device 3 can deepen cooperation by grasping the situation of the guard wearing the other glasses-type display device 3.

<Third Embodiment>
[Select and display video based on moving direction]
Subsequently, a third embodiment will be described. The third embodiment is different from the first embodiment in that an image is selected and displayed based on the moving direction of the glasses-type display device 3.

FIG. 7 is a diagram showing an outline of the video display system S according to the third embodiment.
The video storage device 2 of the third embodiment includes a moving direction specifying unit 24 and a selection unit 25 in addition to the configuration of the first embodiment.

  The moving direction specifying unit 24 specifies the moving direction of the glasses-type display device 3 based on the position information received from the glasses-type display device 3. Specifically, the storage device communication unit 22 receives position information from the glasses-type display device 3 every predetermined time. The moving direction specifying unit 24 specifies the moving direction of the glasses-type display device 3 based on the change in position indicated by the position information received every predetermined time. Note that the moving direction specifying unit 24 may not change the moving direction when the specified moving direction changes, but when the amount of change in the specified moving direction is smaller than a predetermined value. By doing in this way, when the guard wearing the glasses-type display device 3 guards while changing the direction of the head, it is possible to prevent erroneous detection that the moving direction has changed.

  The selection unit 25 selects a video to be transmitted to the glasses-type display device 3 among the plurality of videos based on the position information and the moving direction and the positions associated with the plurality of videos stored in the storage unit 21. . For example, the selection unit 25 specifies position information indicating a position that is within a predetermined distance from a planned movement position shifted in the movement direction from the position indicated by the position information received by the storage device communication unit 22. Subsequently, in the storage unit 21, the selection unit 25 selects a video associated with the specified position information as a video to be transmitted to the glasses-type display device 3.

  Here, the scheduled movement position is a position obtained by adding a predetermined distance (for example, 20 m) to the movement direction from the current position, but is not limited thereto. For example, an acceleration sensor may be provided in the eyeglass-type display device 3, the moving speed may be calculated based on the acceleration detected by the acceleration sensor, and the planned moving position may be calculated based on the moving direction and the moving speed.

  The storage device communication unit 22 transmits the video selected by the selection unit 25 to the glasses-type display device 3. When the glasses communication unit 33 receives the video, the display control unit 34 of the glasses-type display device 3 causes the display unit 31 to display the video.

  FIG. 8 is a diagram illustrating the positions of the glasses-type display device 3 and the plurality of imaging devices 1 in a predetermined facility in the third embodiment. For example, as shown in FIG. 8, it is assumed that the guard wearing the glasses-type display device 3 is located at the position P5 and moving in the direction of the arrow shown in FIG. Assume that the request information and the position information of the glasses-type display device 3 are transmitted to the video storage device 2. In this case, the selection unit 25 selects position information corresponding to the photographing apparatus 1A located within a predetermined range A ′ indicating within a predetermined distance from the planned movement position P6 moved by a predetermined distance in the movement direction from the position P5. Thereby, the imaging device 1A located in the moving direction is selected without selecting the imaging device 1B closest to the position P5. Then, the storage device communication unit 22 transmits the video imaged by the imaging device 1 </ b> A to the glasses-type display device 3.

[Effect in the third embodiment]
As described above, in the video display system S according to the third embodiment, the video storage device 2 selects and transmits the video to be transmitted to the glasses-type display device 3 based on the moving direction of the glasses-type display device 3. . Therefore, the video display system S can provide the video guard related to the place scheduled for patrol to the security guard wearing the glasses-type display device 3, and can grasp the situation of the place in advance.

  In the present embodiment, the movement direction is specified based on the position information, but the movement direction may be specified by another method. For example, the glasses-type display device 3 may be provided with a triaxial acceleration sensor and a triaxial electronic compass, and the movement direction may be specified based on these output values.

  Specifically, the glasses-type display device 3 detects the direction of the glasses-type display device 3 based on the output value of the 3-axis electronic compass, and further, based on the output value of the 3-axis acceleration sensor, The moving speed of is calculated. The glasses-type display device 3 calculates a moving direction based on the direction and the moving speed, and transmits the moving direction to the video storage device 2. Then, the glasses-type display device 3 may transmit the position information, the images, and the glasses ID to the image storage device 2 and the moving direction.

<Fourth Embodiment>
[Select and display a video based on the orientation of the glasses-type display device 3]
Subsequently, a fourth embodiment will be described. The fourth embodiment is different from the first embodiment in that an image is selected and displayed based on the direction in which the glasses-type display device 3 is facing.

FIG. 9 is a diagram showing an overview of a video display system S according to the fourth embodiment.
The eyeglass-type display device 3 of the fourth embodiment includes an orientation detection unit 36 in addition to the configuration included in the first embodiment.

The direction detection unit 36 is configured by, for example, a three-axis electronic compass. The direction detection unit 36 periodically detects the direction of the glasses-type display device 3.
The eyeglass communication unit 33 transmits position information indicating the position detected by the position detection unit 32 and direction information indicating the direction detected by the direction detection unit 36 to the video storage device 2.
When the storage device communication unit 22 receives the position information and the direction information of the glasses-type display device 3 from the glasses-type display device 3, the selection unit 25 is based on the direction information received from the glasses-type display device 3. An image to be transmitted to the glasses-type display device 3 is selected. Specifically, the selection unit 25 narrows the range of a predetermined distance from the position indicated by the position information received by the storage device communication unit 22 to a range corresponding to the direction indicated by the received direction information. For example, when the direction indicated by the received orientation information indicates northwest, the selection unit 25 identifies the imaging device 1 installed in the northwest among the imaging devices 1 included in a circle indicating a predetermined distance from the position, The video imaged by the imaging device 1 is specified.

  FIG. 10 is a diagram illustrating the positions of the glasses-type display device 3 and the plurality of imaging devices 1 in a predetermined facility in the fourth embodiment. For example, as shown in FIG. 10, a guard wearing the glasses-type display device 3 is located at a position P7, and the image request information and the position information of the glasses-type display device 3 are obtained from the glasses-type display device 3 as a video storage device. 2 is transmitted. In this case, the selection unit 25 specifies the scheduled movement position P8 that has moved from the position P7 by a predetermined distance in the movement direction. Here, when the direction of the eyeglass-type display device 3 is the upper left direction in FIG. 10, the half range A2 corresponding to the upper left portion is specified among the predetermined range indicating the distance within the predetermined distance from the position P7. And the selection part 25 selects the positional information corresponding to the imaging device 1C located inside the range A2. Thereby, the photographing device 1C located in the moving direction is selected without selecting the photographing device 1D closest to the position P7. Then, the storage device communication unit 22 transmits the video captured by the imaging device 1 </ b> C to the glasses-type display device 3.

[Effects of the fourth embodiment]
As described above, in the video display system S according to the fourth embodiment, the video storage device 2 selects a video to be transmitted to the glasses-type display device 3 based on the moving direction and direction of the glasses-type display device 3. Send. Therefore, when there is a direction in which the security guard wearing the glasses-type display device 3 is worried during the security, the video display system S can easily display the video captured by the imaging device 1 installed in that direction. Can be confirmed.

<Fifth Embodiment>
[Select and display video according to position]
Subsequently, a fifth embodiment will be described. The fifth embodiment is different from the fourth embodiment in that the glasses-type display device 3 displays information corresponding to the position.

Since the functional configuration of the video display system S of the fifth embodiment is the same as the functional configuration of the video display system S of the fourth embodiment, description thereof is omitted.
The storage unit 21 of the video storage device 2 stores a plurality of pieces of reference information to be displayed on the glasses-type display device 3 in association with a plurality of positions within a range in which the glasses-type display device 3 moves. For example, the storage unit 21 stores, as reference information, information that should be watched by a guard for each position, information that should be confirmed, a security route, and information indicating a movement direction in the security route in association with a plurality of positions. To do.

  The selection unit 25 specifies an image to be transmitted to the glasses-type display device 3 and specifies reference information related to the position information received from the glasses-type display device 3 from the storage unit 21. Then, the storage device communication unit 22 transmits the specified video and reference information to the glasses-type display device 3.

  When the glasses communication unit 33 receives the video and reference information corresponding to the position information transmitted from the video storage device 2, the display control unit 34 displays the video and reference information received by the glasses communication unit 33 on the display unit 31. . Here, the reference information stored in the storage unit 21 may be stored in association with the direction information, and when the selection unit 25 specifies the reference information, the reference information may be specified. Then, when the glasses communication unit 33 receives the video and reference information corresponding to the position information transmitted from the video storage device 2, the display control unit 34 displays the video received by the glasses communication unit 33 on the display unit 31. Also good. Here, the display control unit 34 may display the received video and the reference information in parallel or alternately.

[Effects of Fifth Embodiment]
As described above, in the video display system S according to the fifth embodiment, the video storage device 2 transmits reference information to the glasses-type display device 3, and the glasses-type display device 3 displays the reference information on the display unit 31. Therefore, it is possible to assist the patrol of the guards and provide useful information for the guards.

<Sixth Embodiment>
[Communication between glasses-type display devices 3]
Subsequently, a sixth embodiment will be described. The sixth embodiment is different from the second embodiment in that a plurality of glasses-type display devices 3 transmit images to each other without using the image storage device 2.

FIG. 11 is a diagram showing an overview of a video display system S according to the sixth embodiment. The video display system S includes a plurality of glasses-type display devices 3.
The plurality of glasses-type display devices 3 include a display unit 31, a position detection unit 32, a glasses communication unit 33, a display control unit 34, a photographing unit 35, a storage control unit 37, and a storage unit 38.

  The display unit 31, the position detection unit 32, the display control unit 34, and the imaging unit 35 have the same functions as the display unit 31, the position detection unit 32, the display control unit 34, and the imaging unit 35 according to the second embodiment. Description is omitted.

  The storage unit 38 is configured by, for example, a RAM or a ROM. The storage unit 38 stores a video display program for causing a computer provided in the glasses-type display device 3 to function as the position detection unit 32, the glasses communication unit 33, and the display control unit 34. In addition, the storage unit 38 stores the video captured by the imaging unit 35 and the position information indicating the position detected by the position detection unit 32 in association with each other.

  The storage control unit 37 associates the video imaged by the imaging unit 35 with the position information indicating the position detected by the position detection unit 32 and causes the storage unit 38 to store the image. The storage control unit 23 may store the video for a predetermined time from the current time in the storage unit 38 as in the storage control unit 23 of the first embodiment.

  The glasses communication unit 33 transmits the first position information indicating the position detected by the position detection unit 32 to another glasses-type display device 3, and the glasses-type display device 3 transmits the first position information at a position corresponding to the first position information. Receive the captured video. Specifically, the storage unit 38 stores in advance the eyeglass IDs of other eyeglass-type display devices 3 that are targets of video transmission. When the eyeglass communication unit 33 receives the image acquisition request and the position information from the other eyeglass-type display device 3 in which the eyeglass ID is stored in the storage unit 38 in advance, the received position information indicates with reference to the storage unit 38. Position information corresponding to a position within a predetermined distance from the position is specified. Subsequently, the glasses communication unit 33 extracts a video associated with the specified position information from the storage unit 38 and transmits the video to the other glasses-type display device 3.

  When the position detected by the position detection unit 32 and the position indicated by the received position information are within a predetermined distance, the eyeglass communication unit 33 displays the image currently captured by the imaging unit 35 in another glasses-type display. You may transmit to the apparatus 3 in real time.

  In addition, the glasses communication unit 33 receives, from another glasses-type display device 3, second position information indicating the position detected by the glasses-type display device 3, and a video imaged at a position corresponding to the second position information. Receive. Specifically, the eyeglass communication unit 33 transmits the image request information, the position information, and the eyeglass ID to the other eyeglass-type display device 3 having the eyeglass ID stored in the storage unit 38 in advance. Then, the glasses communication unit 33 receives an image corresponding to the position information from another glasses-type display device 3. In the other glasses-type display device 3, the image is extracted in the same manner as the processing of the glasses communication unit 33.

  Note that the eyeglass-type display device 3 may be provided with the movement direction specifying unit 24 and the selection unit 25 provided in the video storage device 2 in the third embodiment. In this case, the movement direction identification unit provided in the glasses-type display device 3 identifies its own scheduled movement position, and the glasses communication unit 33 receives the image request information and the scheduled movement position information indicating the scheduled movement position as other glasses. To the mold display device 3. And the selection part of the other spectacles type display apparatus 3 pinpoints the positional information corresponding to the position within predetermined distance from the position which the received planned movement position information shows.

  Further, the eyeglass-type display device 3 may be provided with an orientation detection unit provided in the eyeglass-type display device 3 in the fourth embodiment. In this case, the moving direction specifying unit provided in the glasses-type display device 3 specifies its own scheduled movement position, and the direction detecting unit specifies its own direction. Then, the glasses communication unit 33 transmits the video request information, the planned movement position information indicating the planned movement position, and the direction information indicating the direction to the other glasses-type display device 3. Then, the selection unit of the other glasses-type display device 3 specifies position information that corresponds to a position within a predetermined distance from the position indicated by the received planned movement position information and that is included in the range corresponding to the orientation information.

[Effects of the sixth embodiment]
As described above, in the video display system S according to the sixth embodiment, since the plurality of glasses-type display devices 3 can transmit and receive video without going through the video storage device, the operation cost can be reduced. .

<Seventh Embodiment>
[Communication with video storage device via mobile terminal]
Subsequently, a seventh embodiment will be described. The seventh embodiment differs from the first embodiment in that the glasses-type display device 3 communicates with the video storage device 2 via the mobile terminal 4.

FIG. 12 is a diagram showing an overview of a video display system S according to the seventh embodiment. The video display system S includes a photographing device 1, a video storage device 2, a glasses-type display device 3, and a mobile terminal 4.
The configurations of the image capturing device 1 and the video storage device 2 are the same as those in the first embodiment, and a description thereof will be omitted.

  The portable terminal 4 is associated with the glasses-type display device 3 and functions as an access point for the glasses-type display device 3. The portable terminal 4 includes a storage unit 40. The storage unit 40 stores a video display program for causing a computer (processor) provided in the mobile terminal 4 to function as a position detection unit 41 and a terminal communication unit 42 described later. When the mobile terminal 4 executes the video display program, the mobile terminal 4 includes a position detection unit 41 and a terminal communication unit 42. The storage unit 40 of the portable terminal 4 may store a video display program stored in a storage medium, or may store a video display program downloaded via a network.

The position detection unit 41 detects the position of the mobile terminal 4 by acquiring the position information of the mobile terminal 4.
The terminal communication unit 42 has a tethering function and relays communication between the video storage device 2 and the glasses-type display device 3. The terminal communication unit 42 communicates with the video storage device 2 via a wireless network such as a mobile phone network or the Internet. The terminal communication unit 42 communicates with the glasses-type display device 3 via a short-range wireless communication or a wireless network such as a LAN.

  The terminal communication unit 42 transmits position information indicating the position detected by the position detection unit 41 to the video storage device 2 and receives a video corresponding to the position information from the video storage device. Specifically, when receiving the video request information and the spectacle ID transmitted from the glasses-type display device 3 to the video storage device 2, the terminal communication unit 42 adds the position detection unit 41 to the video request information and the spectacle ID. The position information indicating the position detected by is added and transmitted to the video storage device 2. In addition, the terminal communication unit 42 transmits the video received from the video storage device 2 to the glasses-type display device 3.

[Effects of the seventh embodiment]
As described above, in the video display system S according to the seventh embodiment, for example, the position information between the glasses-type display device 3 and the video storage device 2 is used by using the tethering function that the mobile terminal 4 has in advance. In addition, video can be transmitted and received.

<Eighth Embodiment>
[Glasses-type display devices 3 communicate with each other via portable terminal 4]
Subsequently, an eighth embodiment will be described. The eighth embodiment differs from the sixth embodiment in that the glasses-type display device 3 performs communication via the mobile terminal 4.

FIG. 13 is a diagram showing an overview of a video display system S according to the eighth embodiment. The video display system S includes a glasses-type display device 3 and a mobile terminal 4.
The configuration of the glasses-type display device 3 is the same as that of the sixth embodiment.

  The portable terminal 4 is associated with the glasses-type display device 3 and functions as an access point for the glasses-type display device 3. The portable terminal 4 includes a storage unit 40. The storage unit 40 stores a video display program for causing a computer (processor) provided in the mobile terminal 4 to function as a position detection unit 41 and a terminal communication unit 42 described later. When the mobile terminal 4 executes the video display program, the mobile terminal 4 includes a position detection unit 41 and a terminal communication unit 42.

The position detection unit 41 detects the position of the mobile terminal 4 by acquiring the position information of the mobile terminal 4.
The terminal communication unit 42 transmits the first position information indicating the position detected by the position detection unit 41 to the other portable terminal 4 associated with the other glasses-type display device 3, and the video corresponding to the first position information is displayed. Receive from the mobile terminal 4. Specifically, when receiving the video request information and the spectacle ID transmitted from the spectacles-type display device 3 to the other spectacles-type display device 3, the terminal communication unit 42 displays the position in the video request information and the spectacles ID. First position information indicating the position detected by the detection unit 41 is added and transmitted to the glasses-type display device 3. Further, the terminal communication unit 42 transmits the video received from the other glasses-type display device 3 to the glasses-type display device 3.

  In addition, the terminal communication unit 42 receives the second position information indicating the position detected by the glasses-type display device 3 associated with the other mobile terminal 4 from the other mobile terminal 4 in response to receiving the second position information. 2 Video corresponding to the position information is transmitted to the mobile terminal 4. Specifically, when the terminal communication unit 42 receives the video request information, the second position information, and the eyeglass ID from the other eyeglass-type display device 3 via the other mobile terminal 4, the information is displayed on the eyeglass-type display device. 3 to send. The glasses-type display device 3 identifies the video corresponding to the second position information and transmits the video to the mobile terminal 4. The mobile terminal 4 transmits the received video to another glasses-type display device 3 via the other mobile terminal 4.

[Effects of Eighth Embodiment]
As described above, in the video display system S according to the eighth embodiment, for example, the glasses-type display devices 3 transmit and receive positional information and video using the tethering function provided in advance in the mobile terminal 4. Can do. In addition, since a video storage device that stores video can be dispensed with, resources can be saved.

  As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be added to the above embodiment. It is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

  For example, in response to a predetermined operation being performed on the glasses-type display device 3, the display control unit 34 may display an image captured by the imaging unit. In this case, even if a predetermined operation is not performed on the first glasses-type display device 3, the first glasses-type display device 3 receives the signal indicating an emergency in the second glasses-type display device 3. 3 display control unit 34 may display an image of the second glasses-type display device 3.

DESCRIPTION OF SYMBOLS 1 ... Shooting device, 2 ... Video storage device, 3 ... Glasses type display device, 4 ... Portable terminal, 11, 35 ... Shooting unit, 12 ... Video transmission unit, 21, 38 ... Storage unit, 22 ... Storage device communication unit, 23, 37 ... Storage control unit, 24 ... Movement direction specifying unit, 25 ... Selection unit, 31 ... Display unit, 32 , 41 ... position detection unit, 33 ... spectacle communication unit, 34 ... display control unit, 36 ... orientation detection unit, 42 ... terminal communication unit, S ... video display system

Claims (9)

A plurality of photographing devices;
A video storage device that stores video captured by the plurality of imaging devices;
Glasses-type display device for displaying video acquired from the video storage device;
A video display system comprising:
The video storage device
A storage control unit that associates position information indicating the position of each of the plurality of imaging devices with the video and stores the image in the storage unit;
A storage device communication unit that receives position information from the glasses-type display device, and transmits the video stored in the storage unit and associated with the position information corresponding to the position information to the glasses-type display device;
Have
The glasses-type display device includes:
A display unit;
A position detector for detecting the position of the glasses-type display device;
Eyeglass communication unit that transmits position information indicating the position detected by the position detection unit to the video storage device, and receives the video corresponding to the position information from the video storage device;
A display control unit for displaying the video received by the glasses communication unit on the display unit;
A video display system. A video display system comprising a plurality of glasses-type display devices and a video storage device for storing video,
The glasses-type display device includes:
A photographing unit for photographing the video;
A display unit;
A position detector for detecting the position of the glasses-type display device;
An image captured by the image capturing unit; position information indicating the position at the time of image capturing by the image capturing unit; and an eyeglass communication unit that transmits identification information of the eyeglass-type display device to the image storage device;
The video storage device
A storage device communication unit that receives the position information, the video, and the identification information from the glasses-type display device;
A storage control unit that stores the positional information, the video, and the identification information in association with each other in a storage unit;
The storage device communication unit extracts the video corresponding to the position information from the storage unit in response to receiving the video request information indicating the video acquisition request and the position information from the glasses-type display device. Transmitted to the glasses-type display device,
The glasses communication unit transmits the position information and the video request information to the video storage device, and receives a video associated with the position information from the video storage device,
The glasses-type display device includes:
An image display system further comprising a display control unit that displays the image received by the glasses communication unit on a display unit. The video storage device
Based on the position information received from the glasses-type display device, a movement direction specifying unit for specifying the movement direction of the glasses-type display device;
Selection for selecting a video to be transmitted to the glasses-type display device from among the plurality of videos based on the position information and the moving direction, and positions where the plurality of videos stored in the storage unit are captured. And
The video display system according to claim 1, further comprising: The glasses-type display device further includes a direction detection unit that detects a direction of the glasses-type display device,
The glasses communication unit transmits direction information indicating the direction detected by the direction detection unit in association with the position information to the video storage device,
The video storage device transmits the plurality of videos to the glasses-type display device based on the position information and the orientation information, and positions where the plurality of videos stored in the storage unit are captured. A selection unit for selecting a video to be played,
The video display system according to claim 1 or 2. The storage unit of the video storage device stores a plurality of reference information to be displayed on the glasses-type display device in association with a plurality of positions within a range in which the glasses-type display device moves,
The selection unit selects reference information to be transmitted to the glasses-type display device from the plurality of reference information based on the position information and the moving direction.
The video display system according to claim 3. A computer provided in a glasses-type display device that displays the video received from a video storage device that stores video captured by a plurality of imaging devices,
A position detector for detecting the position of the glasses-type display device;
A communication unit that transmits position information indicating the position detected by the position detection unit to the video storage device, receives the video corresponding to the position information from the video storage device, and the video received by the communication unit. A display control unit to be displayed on the display unit,
Video display program to function as A computer provided in an eyeglass-type display device comprising a photographing unit for photographing video and a display unit for displaying video,
A position detector for detecting the position of the glasses-type display device;
The first position information indicating the position detected by the position detection unit is transmitted to another glasses-type display device, the video corresponding to the first position information is received from the glasses-type display device, and the other glasses-type display is received. A communication unit that transmits the video corresponding to the second position information to the glasses-type display device in response to receiving second position information indicating the position detected by the glasses-type display device from the device; A display control unit for displaying the video received by the communication unit on a display unit;
Video display program to function as A computer provided in a portable terminal associated with a glasses-type display device that displays the video received from a video storage device that stores video captured by a plurality of imaging devices;
A position detector that detects the position of the mobile terminal corresponding to the position of the glasses-type display device; and position information indicating the position detected by the position detector is transmitted to the video storage device, and corresponds to the position information. A communication unit for receiving the video from the video storage device;
Video display program to function as A computer provided in a portable terminal associated with an eyeglass-type display device that includes an imaging unit that captures an image and a display unit that displays the image,
A position detection unit that detects the position of the mobile terminal corresponding to the position of the glasses-type display device, and other position information that indicates the position detected by the position detection unit is associated with another glasses-type display device. The first image indicating the position detected by the glasses-type display device associated with the other portable terminal is transmitted from the portable terminal to the portable terminal, the video corresponding to the first position information is received from the portable terminal. 2 a communication unit that transmits the video corresponding to the second position information to the portable terminal in response to receiving the position information;
Video display program to function as

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