Nothing Special   »   [go: up one dir, main page]

CN107219517A - Mobile phone Android camera alignment system and its method based on LED visible light communication - Google Patents

Mobile phone Android camera alignment system and its method based on LED visible light communication Download PDF

Info

Publication number
CN107219517A
CN107219517A CN201710609373.2A CN201710609373A CN107219517A CN 107219517 A CN107219517 A CN 107219517A CN 201710609373 A CN201710609373 A CN 201710609373A CN 107219517 A CN107219517 A CN 107219517A
Authority
CN
China
Prior art keywords
led
camera
mobile phone
visible light
light communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710609373.2A
Other languages
Chinese (zh)
Inventor
党征刚
刘廷章
刘翠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Catic Lian Technology Co Ltd Shanghai Branch
Original Assignee
Catic Lian Technology Co Ltd Shanghai Branch
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Catic Lian Technology Co Ltd Shanghai Branch filed Critical Catic Lian Technology Co Ltd Shanghai Branch
Priority to CN201710609373.2A priority Critical patent/CN107219517A/en
Publication of CN107219517A publication Critical patent/CN107219517A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/12Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Studio Devices (AREA)
  • Telephone Function (AREA)

Abstract

The invention discloses a kind of mobile phone Android camera alignment system based on LED visible light communication and its localization method, the alignment system includes LED visible light communication module, signal receiving module and mobile phone positioning software module, LED visible light communication module includes LED, mobile phone visible light communication signal receiving module includes the visible light communication camera that exploitation is obtained, visible light communication camera includes the single camera and camera system on mobile phone, and mobile phone positioning software module is included in the cell-phone customer terminal APP softwares comprising location algorithm run under mobile phone Android system.The present invention downloads in cell-phone customer terminal and obtains indoor positioning App, directly it can be shot afterwards using camera system, corresponding modulation intelligence in LED is obtained by the flicker for scanning LED, decoding determines the position of lamp, and then by location algorithm and calculate the specific exact position of cell-phone customer terminal and include result on mobile phone A pp, so as to realize indoor positioning.

Description

Mobile phone Android camera alignment system and its method based on LED visible light communication
Technical field
The invention belongs to location systems art field, a kind of mobile phone based on LED visible light communication is particularly related to Android camera alignment system and its localization method.
Background technology
In recent years, the semi-conductor LED illuminating technology development for being described as " green illumination " is swift and violent, with conventional illumination sources phase Than white light LEDs are not only low in energy consumption, service life length, size are small, environmental protection, with more modulating performance is good and response sensitivity High the advantages of., can also be in signal modulation to LED visible light beam while it can serve as illumination using LED this characteristic Carry out data transmission, information is sent to client from light fixture, realize a kind of emerging light wireless communication technology, you can see that light leads to Letter technology.Because visible ray is closely bound up with daily life, many equipment in office, family and public arena contain can See radiant, convenient data, services anywhere or anytime can be provided for indoor user.
As various synthesis classes build the appearance of such as shopping mall, Large-sized Communication terminal, the activity of people Space is more and more huger and complexity, and then also increasingly strong to the demand of indoor positioning and navigation;Meanwhile, precision marketing, intelligence The industries such as storage, robot, Sanatorium nursing are also required to obtain the Indoor Location Information of special object using location technology;And GPS Satellite-signal be indoors it is very faint even without, it is impossible to meet the accuracy requirement of indoor positioning, these demands for interior Location technology brings great opportunity.
Indoor positioning technologies scheme in currently available technology includes A-GPS location technologies, ultrasonic wave location technology, bluetooth Technology, infrared technology, REID, super-broadband tech, WLAN, light track and localization technology, and image Analysis, beacon positioning, computer vision location technology etc..These indoor positioning technologies can be summarized as several classes on the whole, i.e., GNSS technologies, such as pseudo satellite, pseudolite;Wireless location technology, including the tracking of wireless communication signals, wireless radiofrequency label, ultrasonic wave, light, Wireless senser location technology etc.;Other location technologies such as computer vision, dead reckoning etc.;And GNSS and wireless location group The location technology of conjunction such as A-GPS or A-GNSS.
At present, the research both at home and abroad to the location technology based on LED visible light is divided into non-imaged location technology and imaging is fixed Two kinds of the technology in position.Non-imaged location technology uses traditional localization method, using multi-multipoint communication, based on away from walk-off angle Degree is positioned;Location technology is imaged using flash lamp, display, optical sensor etc. as transceiving device, it is variable to realize The functions such as rate communication, location navigation and message broadcast.Non-imaged location technology is realized based on special photodetector Detection to LED, mainly there is 4 kinds of implementation methods:Triangulation, scenario analysis, mix close to method and VLC and Ad Hoc Method;Imaging alignment system based on visible ray, the three-dimensional coordinate from LED transmittings is used by imaging sensor demodulating information The geometric distance relation of the LED image received in imaging sensor calculates the position of target.Imaging based on visible ray is determined Position system can be divided into the forms such as single lamp single camera, double lamp single cameras and single lamp dual camera, utilize different positioning methods Middle imaging sensor receives the different distance geometrical relationship of LED image to calculate the position of target.
High speed development and progress with science and technology, the development of smart mobile phone are more and more faster, more press close to the life of people, hand Machine function is also stronger and stronger, and this series of phenomenon shows the arrival in smart mobile phone big epoch, and is continuing to send out at a high speed Exhibition, mobile phone A PP exploitation is also to be becoming increasingly popular.And the indoor positioning technologies based on LED visible light communication do not have in the past Developed with reference to the single camera on mobile phone and mobile phone Android system.
The content of the invention
There is provided the visible light communication camera that a kind of exploitation is obtained in order to overcome the shortcomings of prior art presence by the present invention The alignment system based on LED visible light communication and its localization method of Android App exploitations are carried out, it passes through calling mobile phone camera The shooting of camera system determines position of the cell-phone customer terminal relative to LED, and the LED light signal that shooting is obtained is solved Code, then accurately positioned by location algorithm and calculating.
The present invention is achieved by the following technical solutions:A kind of mobile phone Android camera based on LED visible light communication is determined Position system, the alignment system include be sequentially connected LED visible light communication module, mobile phone visible light communication signal receiving module and Mobile phone positioning software module, LED visible light communication module includes LED, and the illumination that LED is mounted in known coordinate position is set Standby, mobile phone visible light communication signal receiving module includes the visible light communication camera that exploitation is obtained, it is seen that optic communication camera includes Single camera and camera system on mobile phone;Mobile phone positioning software module be included in run under mobile phone Android system comprising fixed The cell-phone customer terminal APP softwares of position algorithm.
A kind of localization method of the mobile phone Android camera alignment system based on LED visible light communication, the localization method is specific Comprise the following steps:LED picture is shot by mobile phone terminal visible light communication camera first, the positional information of LED is modulated to In the flicker of LED, LED is transmitting terminal, and the visible light communication camera that the exploitation of calling mobile phone single camera is obtained is reception End;Receiving terminal obtains the modulation intelligence in LED, image by camera system calling mobile phone camera progress progressive scan photographing Processing obtains data field bar graph, shows as the light and shade bar graph that camera system shoots obtained LED image, then application program Data field bar graph is decoded, and this decoded result obtain to should LED positional information;It is based on afterwards according to interior The localization method of optical imagery, and the position of gained LED lamp is decoded, finally giving mobile phone by application program progress calculating connects The accurately located position of receiving end.
Each LED is controlled by a drive circuit, and LED is sent according to spy while general lighting function is realized Determine the high frequency flicker light that mode is encoded, high frequency flicker light is to should the unique position encoded information of lamp;LED is by its positional information It is modulated into after high frequency flicker signal launches, the receiving terminal of mobile phone visible light communication signal receiving module is by can calling mobile phone The visible light communication camera of camera carries out the modulation intelligence that progressive scan photographing obtains LED, and decoding obtains the LED Positional information, the accurately located position of mobile phone receiving terminal is calculated finally according to location algorithm.
The change that LED is launched in continuous different time points can be shot by developing obtained visible light communication camera Optical signal, changes into the light and shade striped of spatially consecutive variations, and be embodied in same Zhang Zhao by the optical signal of these changes On piece, while the visible light communication camera can change camera parameter as needed by program setting.
Any one camera carried on mobile phone is controlled to shoot to include LED in the image of LED, image by camera system The position encoded information of lamp transmitting, or the image pickup mode of opening camera system carry out preview to LED, and control program is to LED The high frequency flicker light of lamp transmitting carries out real-time reception processing, obtains the position encoded information of LED transmitting.
The cell-phone customer terminal APP softwares comprising location algorithm run under mobile phone Android system can be under Android system The LED image that the camera system of calling mobile phone single camera is photographed is handled and decoded, corresponding LED position is obtained Coordinate is put, the three-dimensional location coordinates of camera are further calculated by the location algorithm of single camera pattern.
The present invention is compared with conventional radio frequency wireless technology, it is seen that the available bandwidth range of optic communication is big, with higher Security and privacy, do not produce electromagnetic interference, without the permission of corresponding band, can be realized with relatively low cost high The radio communication access of bandwidth high-speed, with good spatial reuse, is greatly expanded the coverage rate of network, is to existing There is the good supplement of radio-frequency technique.
The present invention obtains the present invention by a series of Android development procedures, in cell-phone customer terminal download, and this can based on LED See the indoor positioning App of optic communication, afterwards can be directly using the exploitation camera system of single camera can carrying out on calling mobile phone Shoot, corresponding modulation intelligence in LED is obtained by the flicker for scanning LED, decoded so that it is determined that the position of lamp, Jin Ertong Cross location algorithm and calculate the specific exact position of cell-phone customer terminal and include result on mobile phone A pp, so that real Existing indoor positioning.
The beneficial effects of the invention are as follows:The present invention determines mobile phone visitor by the shooting of calling mobile phone camera camera system Family end is decoded relative to the position of LED to the LED light signal that shooting is obtained, then by location algorithm and calculates progress Accurate positioning.Positioning System of the present invention based on LED visible light communication is high, and bandwidth resources are abundant, are not required to The mandate of management organization is obtained, and alignment system in the present invention will not produce any electromagnetic interference, be not easy to by external electrical The influence of magnetic disturbance, positioning precision is high, can be widely applied to the special occasions sensitive to electromagnetic interference, such as hospital and gas station Deng.Alignment system in the present invention does light source using LED, takes into account illumination and positioning, and this technology is once molded and just can applied quickly Into daily life.The exploitation of mobile phone Android camera alignment system based on LED visible light communication so that client is directly used Mobile phone-downloaded App, the camera system progress for calling mobile phone camera of exploitation is taken pictures and can positioned, so that The application being positioned in life more facilitates.
Brief description of the drawings
Fig. 1 is the workflow diagram of mobile phone Android camera alignment system of the present invention;
Fig. 2 is the system schematic of mobile phone Android camera alignment system of the present invention;
Fig. 3 is that the indoor positioning of mobile phone Android camera alignment system of the present invention calculates space schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1 to Figure 2, a kind of mobile phone Android camera alignment system based on LED visible light communication, the alignment system Including the LED visible light communication module being sequentially connected, mobile phone visible light communication signal receiving module and mobile phone positioning software module, LED visible light communication module includes LED, and LED is mounted in the lighting apparatus of known coordinate position, mobile phone visible light communication Signal receiving module includes the visible light communication camera that exploitation is obtained, it is seen that optic communication camera includes the single camera on mobile phone And camera system;Mobile phone positioning software module is included in the cell-phone customer terminal for including location algorithm run under mobile phone Android system APP softwares.
A kind of localization method of the mobile phone Android camera alignment system based on LED visible light communication, the localization method is specific Comprise the following steps:LED picture is shot by mobile phone terminal visible light communication camera first, the positional information of LED is modulated to In the flicker of LED, LED is transmitting terminal, and the visible light communication camera that the exploitation of calling mobile phone single camera is obtained is reception End;Receiving terminal obtains the modulation intelligence in LED, image by camera system calling mobile phone camera progress progressive scan photographing Processing obtains data field bar graph, shows as the light and shade bar graph that camera system shoots obtained LED image, then application program Data field bar graph is decoded, and this decoded result obtain to should LED positional information;It is based on afterwards according to interior The localization method of optical imagery, and the position of gained LED lamp is decoded, finally giving mobile phone by application program progress calculating connects The accurately located position of receiving end.
Each LED is controlled by a drive circuit, and LED is sent according to spy while general lighting function is realized Determine the high frequency flicker light that mode is encoded, high frequency flicker light is to should the unique position encoded information of lamp;LED is by its positional information It is modulated into after high frequency flicker signal launches, the receiving terminal of mobile phone visible light communication signal receiving module is by can calling mobile phone The visible light communication camera of camera carries out the modulation intelligence that progressive scan photographing obtains LED, and decoding obtains the LED Positional information, the accurately located position of mobile phone receiving terminal is calculated finally according to location algorithm.Obtained visible ray is developed to lead to Letter camera can shoot the optical signal for the change that LED is launched in continuous different time points, by the optical signal of these changes The light and shade striped of spatially consecutive variations is changed into, and is embodied on same photo, while the visible light communication camera Camera parameter can be changed by program setting as needed.
Any one camera carried on mobile phone is controlled to shoot to include LED in the image of LED, image by camera system The position encoded information of lamp transmitting, or the image pickup mode of opening camera system carry out preview to LED, and control program is to LED The high frequency flicker light of lamp transmitting carries out real-time reception processing, obtains the position encoded information of LED transmitting.In mobile phone Android system The cell-phone customer terminal APP softwares comprising location algorithm of lower operation can be under Android system to calling mobile phone single camera phase Machine system photographs to LED image handled and decoded, corresponding LED position coordinates is obtained, further by singly taking the photograph As the location algorithm of head mould formula calculates the three-dimensional location coordinates of camera.
As shown in figure 3, Fig. 3 calculates space schematic diagram, hand for the indoor positioning of mobile phone Android camera alignment system of the present invention The computational methods of machine client indoor positioning are as follows:
The location algorithm used in the present invention is one group of ranging formula based on single camera optical imagery, if single led Position coordinates (X, Y, Z) of the lamp under environment space coordinate system, mobile phone single camera focal length f, single camera pixel planes center Coordinate (x0, y0), two end points of LED in pixel planes coordinate system is after imaging in the seat of camera pixel planes coordinate system Mark (x1, y1), (x2, y2), the distance of LED center and pixel faces center in Yw directions is Yc, LED center with pixel faces The heart Xw directions distance be Xc, calculate camera pixel planes center under environment space coordinate system coordinate (x0, y0, z0)。
It can be drawn by similar triangles characteristic:
In above formula h be LED to camera lens vertical range, h can be tried to achieve by above formula, then, mobile phone camera pixel faces center Space coordinate (x0, y0, z0) can be expressed as indoors:
Z0=Z-h-f;
Write by above formula calculation formula and algorithm, the 3D that can realize cell phone customer end position by mobile phone single camera determines Position.
Finally it should be noted that above content is merely illustrative of the technical solution of the present invention, rather than to present invention protection The limitation of scope, simple modification or equivalent substitution that one of ordinary skill in the art is carried out to technical scheme, All without departing from the spirit and scope of technical solution of the present invention.

Claims (6)

1. a kind of mobile phone Android camera alignment system based on LED visible light communication, it is characterised in that:The alignment system includes LED visible light communication module, mobile phone visible light communication signal receiving module and the mobile phone positioning software module being sequentially connected, it is described LED visible light communication module includes LED, and the LED is mounted in the lighting apparatus of known coordinate position, and the mobile phone can See that optic communication signal receiving module includes the visible light communication camera that exploitation is obtained, the visible light communication camera is included on mobile phone Single camera and camera system;The mobile phone positioning software module be included in run under mobile phone Android system comprising positioning The cell-phone customer terminal APP softwares of algorithm.
2. the localization method of the mobile phone Android camera alignment system according to claim 1 based on LED visible light communication, its It is characterised by:The localization method specifically includes following steps:LED figure is shot by mobile phone terminal visible light communication camera first Piece, the positional information of LED is modulated in the flicker of LED, and LED is transmitting terminal, the exploitation of calling mobile phone single camera Obtained visible light communication camera is receiving terminal;Receiving terminal carries out progressive scan photographing by camera system calling mobile phone camera The modulation intelligence in LED is obtained, image procossing obtains data field bar graph, show as camera system and shoot obtained LED figures The light and shade bar graph of picture, then application program is decoded to data field bar graph, and this decoded result is obtained to should LED Positional information;Afterwards according to localization method of the interior based on optical imagery, and the position of gained LED lamp is decoded, by answering Carried out calculating the accurately located position for finally giving mobile phone receiving terminal with program.
3. the localization method of the mobile phone Android camera alignment system according to claim 2 based on LED visible light communication, its It is characterised by:Each LED is controlled by a drive circuit, LED sent while general lighting function is realized according to The high frequency flicker light of ad hoc fashion coding, high frequency flicker light is to should the unique position encoded information of lamp;LED believes its position Breath is modulated into after high frequency flicker signal launches, and the receiving terminal of mobile phone visible light communication signal receiving module is by that can call hand The visible light communication camera of machine camera carries out the modulation intelligence that progressive scan photographing obtains LED, and decoding obtains the LED Positional information, the accurately located position of mobile phone receiving terminal is calculated finally according to location algorithm.
4. the localization method of the mobile phone Android camera alignment system according to claim 2 based on LED visible light communication, its It is characterised by:The obtained visible light communication camera of developing can shoot what LED was launched in continuous different time points The optical signal of change, the light and shade striped of spatially consecutive variations is changed into by the optical signal of these changes, and is embodied in same On one photo, while the visible light communication camera can change camera parameter as needed by program setting.
5. the localization method of the mobile phone Android camera alignment system according to claim 2 based on LED visible light communication, its It is characterised by:Any one camera carried on mobile phone is controlled to shoot in the image of LED, described image to wrap by camera system The position encoded information launched containing LED, or the image pickup mode of camera system is opened to LED progress preview, control program Real-time reception processing is carried out to the high frequency flicker light that LED is launched, the position encoded information of LED transmitting is obtained.
6. the localization method of the mobile phone Android camera alignment system according to claim 2 based on LED visible light communication, its It is characterised by:The cell-phone customer terminal APP softwares comprising location algorithm run under mobile phone Android system can be in Android system Under the LED image that the camera system of calling mobile phone single camera is photographed is handled and decoded, obtain corresponding LED Position coordinates, further calculates the three-dimensional location coordinates of camera by the location algorithm of single camera pattern.
CN201710609373.2A 2017-07-25 2017-07-25 Mobile phone Android camera alignment system and its method based on LED visible light communication Pending CN107219517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710609373.2A CN107219517A (en) 2017-07-25 2017-07-25 Mobile phone Android camera alignment system and its method based on LED visible light communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710609373.2A CN107219517A (en) 2017-07-25 2017-07-25 Mobile phone Android camera alignment system and its method based on LED visible light communication

Publications (1)

Publication Number Publication Date
CN107219517A true CN107219517A (en) 2017-09-29

Family

ID=59954846

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710609373.2A Pending CN107219517A (en) 2017-07-25 2017-07-25 Mobile phone Android camera alignment system and its method based on LED visible light communication

Country Status (1)

Country Link
CN (1) CN107219517A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108471329A (en) * 2018-02-05 2018-08-31 杭州电子科技大学 A kind of system architecture in visible light communication system based on LED and mobile phone camera
CN108551366A (en) * 2018-02-05 2018-09-18 杭州电子科技大学 A kind of visible light communication method based on LED and mobile phone camera
CN109008806A (en) * 2018-06-25 2018-12-18 东莞市光劲光电有限公司 A kind of sweeping robot positioning system and method based on the positioning of LED intelligent lamp
CN109063212A (en) * 2018-09-28 2018-12-21 西北工业大学 A kind of intelligence auxiliary purchase guiding system and method based on visible light communication
CN109341687A (en) * 2018-06-01 2019-02-15 上海大学 It is a kind of based on mobile phone any level towards single LED visible light communication indoor orientation method of angle
CN109696176A (en) * 2017-10-24 2019-04-30 珠海横琴华策光通信科技有限公司 A kind of inertial navigation localization method based on LED light emission device light-seeking correction
CN109725286A (en) * 2018-12-19 2019-05-07 上海大学 A kind of single LED visible light communication indoor orientation method based on mobile phone any direction angle
CN110133685A (en) * 2019-05-22 2019-08-16 吉林大学 Street lamp based on OCC assists the detailed location of communication system of mobile phone
WO2019174213A1 (en) * 2018-03-14 2019-09-19 Boe Technology Group Co., Ltd. Positioning method, positioning apparatus, and computer-program product
CN110261823A (en) * 2019-05-24 2019-09-20 南京航空航天大学 Visible light indoor communications localization method and system based on single led lamp
CN110346784A (en) * 2018-04-02 2019-10-18 珠海横琴华策光通信科技有限公司 A method of based on LED lamp light-seeking and directional wheel integrated positioning
CN111103579A (en) * 2020-01-15 2020-05-05 长安大学 Visible light indoor positioning system and method based on mobile phone camera
CN112564796A (en) * 2020-11-25 2021-03-26 重庆邮电大学 Equipment payment information interaction system based on visible light wireless communication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103017758A (en) * 2012-12-20 2013-04-03 清华大学 Indoor real-time high-precision positioning system
US20140132963A1 (en) * 2012-11-15 2014-05-15 Vicente Diaz Optical personal Locating device
CN105979472A (en) * 2016-04-18 2016-09-28 清华大学 Method and system for cooperative work of visible light positioning and bluetooth communication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140132963A1 (en) * 2012-11-15 2014-05-15 Vicente Diaz Optical personal Locating device
CN103017758A (en) * 2012-12-20 2013-04-03 清华大学 Indoor real-time high-precision positioning system
CN105979472A (en) * 2016-04-18 2016-09-28 清华大学 Method and system for cooperative work of visible light positioning and bluetooth communication

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109696176A (en) * 2017-10-24 2019-04-30 珠海横琴华策光通信科技有限公司 A kind of inertial navigation localization method based on LED light emission device light-seeking correction
CN108551366A (en) * 2018-02-05 2018-09-18 杭州电子科技大学 A kind of visible light communication method based on LED and mobile phone camera
CN108471329A (en) * 2018-02-05 2018-08-31 杭州电子科技大学 A kind of system architecture in visible light communication system based on LED and mobile phone camera
WO2019174213A1 (en) * 2018-03-14 2019-09-19 Boe Technology Group Co., Ltd. Positioning method, positioning apparatus, and computer-program product
US11340074B2 (en) 2018-03-14 2022-05-24 Boe Technology Group Co., Ltd. Positioning method, positioning apparatus, and computer-program product
CN110274594B (en) * 2018-03-14 2021-04-23 京东方科技集团股份有限公司 Indoor positioning equipment and method
CN110274594A (en) * 2018-03-14 2019-09-24 京东方科技集团股份有限公司 A kind of indoor positioning device and method
CN110346784A (en) * 2018-04-02 2019-10-18 珠海横琴华策光通信科技有限公司 A method of based on LED lamp light-seeking and directional wheel integrated positioning
CN109341687A (en) * 2018-06-01 2019-02-15 上海大学 It is a kind of based on mobile phone any level towards single LED visible light communication indoor orientation method of angle
CN109008806A (en) * 2018-06-25 2018-12-18 东莞市光劲光电有限公司 A kind of sweeping robot positioning system and method based on the positioning of LED intelligent lamp
CN109063212A (en) * 2018-09-28 2018-12-21 西北工业大学 A kind of intelligence auxiliary purchase guiding system and method based on visible light communication
CN109725286A (en) * 2018-12-19 2019-05-07 上海大学 A kind of single LED visible light communication indoor orientation method based on mobile phone any direction angle
CN110133685A (en) * 2019-05-22 2019-08-16 吉林大学 Street lamp based on OCC assists the detailed location of communication system of mobile phone
CN110261823A (en) * 2019-05-24 2019-09-20 南京航空航天大学 Visible light indoor communications localization method and system based on single led lamp
CN110261823B (en) * 2019-05-24 2022-08-05 南京航空航天大学 Visible light indoor communication positioning method and system based on single LED lamp
CN111103579A (en) * 2020-01-15 2020-05-05 长安大学 Visible light indoor positioning system and method based on mobile phone camera
CN112564796A (en) * 2020-11-25 2021-03-26 重庆邮电大学 Equipment payment information interaction system based on visible light wireless communication

Similar Documents

Publication Publication Date Title
CN107219517A (en) Mobile phone Android camera alignment system and its method based on LED visible light communication
CN102749072B (en) Indoor positioning method, indoor positioning apparatus and indoor positioning system
CN110261823B (en) Visible light indoor communication positioning method and system based on single LED lamp
CN113038362B (en) Ultra-wideband positioning method and system
CN108540542B (en) Mobile augmented reality system and display method
CN107421506A (en) A kind of visual pursuit alignment system and method based on indoor visible light communication
US11893317B2 (en) Method and apparatus for associating digital content with wireless transmission nodes in a wireless communication area
CN106338712A (en) Visible light indoor positioning method and system based on camera communication
CN108332748B (en) Indoor visible light positioning method and device
US11346947B2 (en) Apparatus and method for localizing a first device, localization apparatus and methods for localization
JP2013517579A (en) Augmented reality system
WO2017027338A1 (en) Apparatus and method for supporting interactive augmented reality functionalities
CN109343000B (en) Indoor visible light imaging positioning system and positioning method
CN108564662A (en) The method and device that augmented reality digital culture content is shown is carried out under a kind of remote scene
US11722847B2 (en) Method and apparatus for augmented reality service in wireless communication system
US20190386744A1 (en) Dual-Mode Optical Devices for Time-of-Flight Sensing and Information Transfer, and Apparatus, Systems, and Methods Utilizing Same
CN108983147A (en) A kind of indoor locating system and method based on mobile terminal
Liu et al. Indoor visible light applications for communication, positioning, and security
CN105262538B (en) A kind of optical information positioning system
CN107462248A (en) A kind of indoor optical positioning system and its application method
US20120002044A1 (en) Method and System for Implementing a Three-Dimension Positioning
CN112422653A (en) Scene information pushing method, system, storage medium and equipment based on location service
CN109341687B (en) Single-LED visible light communication indoor positioning method based on any horizontal orientation angle of mobile phone
CN114095910B (en) Anti-piracy method, device and medium for intelligent AR glasses
WO2016197816A2 (en) Terminal positioning method and device, and electronic device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination