CN111064928A - Video monitoring system with face recognition function - Google Patents
Video monitoring system with face recognition function Download PDFInfo
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- CN111064928A CN111064928A CN201911256252.XA CN201911256252A CN111064928A CN 111064928 A CN111064928 A CN 111064928A CN 201911256252 A CN201911256252 A CN 201911256252A CN 111064928 A CN111064928 A CN 111064928A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
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Abstract
The invention discloses a video monitoring system with a face recognition function, which comprises a central processing unit, wherein the output end of the central processing unit is electrically connected with the input end of a video acquisition module through a wire, the output end of the central processing unit is electrically connected with the input end of a face recognition module through a wire, and the output end of the face recognition module is electrically connected with the input end of a face picture acquisition module through a wire. This video monitoring system with face identification function utilizes face identification technique to discern the face in the surveillance video to the facial features that will extract contrasts with some suspect facial features in the system, and help police officer locks the suspect fast, and can obtain suspect's movable track according to the positional information that orientation module sent, and supplementary police officer seeks and reconnaissance work, has reduced staff's intensity of labour, has improved the practicality.
Description
Technical Field
The invention relates to the technical field of monitoring systems, in particular to a video monitoring system with a face recognition function.
Background
The monitoring system is also called as a closed circuit television monitoring system, and a typical monitoring system mainly comprises five parts, namely front-end audio and video acquisition equipment, audio and video transmission equipment and rear-end storage, control and display equipment, wherein the rear-end equipment can be further divided into central control equipment and sub-control equipment. The front and back end equipment has many kinds of forming mode, the connection between them (also called as transmission system) can be realized by coaxial cable, twisted pair, optical fiber, microwave, wireless and other ways, the monitoring system includes front end video collection system, video transmission system and terminal display system, the monitoring does not refer to closed circuit television monitoring system, but the monitoring system in traditional sense is composed of front end camera (including hemisphere camera, infrared camera, all-in-one machine, etc.), middle end equipment (optical terminal, network video server, etc.), back end equipment host (hard disk video recorder, matrix, etc.) (the third generation monitoring system can replace traditional equipment with a monitoring management platform), the face identification is a biological identification technology for identifying based on the face characteristic information of human. A series of related technologies, also commonly called face recognition and face recognition, are used to collect images or video streams containing faces by using a camera or a video camera, automatically detect and track the faces in the images, and then perform face recognition on the detected faces.
Along with the development of science and technology, the video monitoring technique is applied to various fields gradually, but current video monitoring system function is comparatively single, only has the function of record, can't discern the face in the video, especially the police need find the shadow of suspect in the video through the people's eye earlier when tracking criminal suspect's activity orbit, after the locking suspect, transfer the surveillance video on the corresponding activity route again, and work load is huge, extravagant manpower to the practicality has been reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a video monitoring system with a face recognition function, which solves the problems that the face in a video cannot be recognized, the face needs to be locked manually, the workload is large, the labor is wasted, and the practicability is low.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a video monitoring system with face recognition function comprises a central processing unit, wherein the output end of the central processing unit is electrically connected with the input end of a video acquisition module through a lead, the output end of the central processing unit is electrically connected with the input end of a face recognition module through a lead, the output end of the face recognition module is electrically connected with the input end of the face picture acquisition module through a lead, the output end of the face picture acquisition module is electrically connected with the input end of a face feature extraction module through a lead, the output end of the face feature extraction module is electrically connected with the input end of a picture arrangement module through a lead, the output end of the video acquisition module is electrically connected with the input end of a picture acquisition module through a lead, the output end of the picture arrangement module is electrically connected with the input end of a feature comparison module through a lead, and the output unit of the characteristic comparison module is electrically connected with the input end of the result feedback module through a lead, and the output end of the result feedback module is electrically connected with the input end of the central processing unit through a lead.
Preferably, the output end of the picture sorting module is electrically connected with the input end of the picture deleting module through a wire, and the output end of the central processing unit is electrically connected with the input end of the characteristic comparing module through a wire.
Preferably, the output end of the central processing unit is electrically connected with the input end of the secondary confirmation module through a wire, the secondary confirmation module comprises a detail feature extraction module and a secondary comparison module, and the output end of the detail feature extraction module is electrically connected with the input end of the secondary comparison module through a wire.
Preferably, the central processing unit is in bidirectional connection with the network storage module through wireless, the input end of the network storage module is electrically connected with the output end of the information supplement module through a wire, and the information supplement module comprises an access authority judgment module and an information input module.
Preferably, the access right judging module comprises an identity information input module, an identity information comparison module and an identity information judging module.
Preferably, the output end of the identity information input module is electrically connected with the input end of the identity information comparison module through a wire, and the output end of the identity information comparison module is electrically connected with the input end of the identity information judgment module through a wire.
Preferably, the output end of the central processing unit is electrically connected with the input end of the wireless information sending module through a wire, and the wireless information sending module is electrically connected with the input end of the intelligent terminal through wireless.
Preferably, the input end of the central processing unit is electrically connected with the output end of the positioning module through a wire.
(III) advantageous effects
The invention provides a video monitoring system with a face recognition function. Compared with the prior art, the method has the following beneficial effects:
(1) the video monitoring system with the face recognition function is electrically connected with the input end of a face recognition module through a lead by the output end of a central processing unit, the output end of the face recognition module is electrically connected with the input end of a face picture acquisition module through a lead, the output end of the face picture acquisition module is electrically connected with the input end of a face feature extraction module through a lead, the output end of the face feature extraction module is electrically connected with the input end of a picture arrangement module through a lead, the output end of the video acquisition module is electrically connected with the input end of a picture acquisition module through a lead, the output end of the picture acquisition module is electrically connected with the input end of the face recognition module through a lead, the output end of the picture arrangement module is electrically connected with the input end of a feature comparison module through a lead, and the output end of the feature comparison module is electrically connected with the input end of a, the output of result feedback module passes through wire and central processing unit's input electric connection, utilizes face identification technique to discern the people's face in the surveillance video, and the facial characteristic that the face characteristic that will extract compares with the suspect facial characteristic that has in the system, help police officer locks the suspect fast, and can obtain suspect's activity orbit according to the positional information that orientation module sent, supplementary police officer seeks and reconnaissance work, staff's intensity of labour has been reduced, the practicality has been improved.
(2) This video monitor system with face identification function, the output through central processing unit passes through the input electric connection of wire and secondary confirmation module, the secondary confirmation module includes detail feature extraction module and secondary contrast module, and the output of detail feature extraction module passes through the input electric connection of wire and secondary contrast module, after the system detects the suspected suspect, can carry out the secondary contrast to the height of the portrait of selecting, size etc. further lock the suspect, the accuracy of system is improved, the reliability is higher.
(3) This video monitor system with face identification function, the output through central processing unit passes through wire and wireless information sending module's input electric connection, and wireless information sending module passes through wireless and intelligent terminal's input electric connection, central processing unit's input passes through wire and orientation module's output electric connection, this system can assist the police to seek escaping the personnel, after this video monitor system discerns escaping the suspect, can in time inform police officer suspect positional information, thereby improve the efficiency of handling a case.
Drawings
FIG. 1 is a schematic block diagram of the architecture of the system of the present invention;
FIG. 2 is a functional block diagram of a secondary acknowledgement module according to the present invention;
FIG. 3 is a functional block diagram of an information supplementation module of the present invention;
fig. 4 is a schematic block diagram of an access right determining module according to the present invention.
In the figure, 1 a central processing unit, 2 a video acquisition module, 3 a face recognition module, 4 a face picture acquisition module, 5 a face feature extraction module, 6 a picture sorting module, 7 a picture acquisition module, 8 a feature comparison module, 9 a result feedback module, 10 a picture deletion module, 11 a secondary confirmation module, 111 a detail feature extraction module, 112 a secondary comparison module, 12 a network storage module, 13 an information supplement module, 131 an access authority judgment module, 1311 an identity information input module, 1312 an identity information comparison module, 1313 an identity information judgment module, 132 an information input module, 14 a wireless information sending module, 15 an intelligent terminal and 16 a positioning module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides a video monitoring system with face identification function, includes central processing unit (1), central processing unit 1's model is ARM9, the output of central processing unit (1) passes through the input electric connection of wire with video acquisition module (2), and video acquisition module (2) carry out real-time video recording control, the output of central processing unit (1) passes through the input electric connection of wire with face identification module (3), and face identification module (3) can discern and analyze out the picture that has the people face in the picture that picture acquisition module 7 acquireed, and the output of face identification module (3) passes through the input electric connection of wire with face picture acquisition module (4), and face picture acquisition module (4) carry out face collection with the picture that has the people face to enlarge the face picture, conveniently extract information, the output of face picture acquisition module (4) passes through the wire and the input electric connection of facial feature extraction module (5) The input end of the facial feature extraction module (5) is electrically connected, the facial feature extraction module (5) can extract facial features in the amplified human face image, the output end of the facial feature extraction module (5) is electrically connected with the input end of the picture arrangement module (6) through a lead, the picture arrangement module (6) classifies and arranges human face pictures into one class, the pictures with similar features are classified, repeated human face pictures are screened out and deleted through the picture deletion module 10, the output end of the video acquisition module (2) is electrically connected with the input end of the picture acquisition module (7) through a lead, the picture acquisition module (7) can acquire images of each frame in a monitoring video and generate picture formats to be transmitted to the next module, and the output end of the picture acquisition module (7) is electrically connected with the input end of the human face recognition module (3) through a lead, the output of picture arrangement module (6) passes through the input electric connection of wire with characteristic comparison module (8), and characteristic comparison module (8) can compare the facial characteristic of the face picture of the gathering and the facial characteristic of the suspect who stores in the system to the output of characteristic comparison module (8) is singly passed through the wire and is fed back the input electric connection of result feedback module (9), and result feedback module (9) can feed back the comparison result to central processing unit 9 so that central processing unit 9 makes the instruction on next step, the output of result feedback module (9) passes through the wire and central processing unit (1) input electric connection.
In the invention, the output end of the picture sorting module (6) is electrically connected with the input end of the picture deleting module (10) through a lead, and the output end of the central processing unit (1) is electrically connected with the input end of the characteristic comparison module (8) through a lead.
According to the system, the output end of a central processing unit (1) is electrically connected with the input end of a secondary confirmation module (11) through a lead, the secondary confirmation module (11) can carry out secondary confirmation on the screened suspected suspect person and carry out secondary comparison on detailed characteristics such as height and body type of the screened portrait so as to improve the accuracy of the system, the secondary confirmation module (11) comprises a detailed characteristic extraction module (111) and a secondary comparison module (112), the detailed characteristic extraction module (111) can extract information such as height and body type of the human body in a picture, and the output end of the detailed characteristic extraction module (111) is electrically connected with the input end of the secondary comparison module (112) through a lead.
In the invention, a central processing unit (1) is in bidirectional connection with a network storage module (12) through wireless, the network storage is defined as a special data storage server, the special data storage server comprises a storage device (such as a disk array, a CD/DVD drive, a tape drive or a movable storage medium) and embedded system software, a cross-platform file sharing function can be provided, the input end of the network storage module (12) is electrically connected with the output end of an information supplement module (13) through a lead, police officers can change or supplement suspect information in the system through the information supplement module (13), the information supplement module (13) comprises an access authority judgment module (131) and an information entry module (132), the access authority judgment module (131) can prevent irrelevant persons from entering the system and tampering information in the system, the safety and the reliability of the system are improved.
In the invention, the output end of the identity information input module (1311) is electrically connected with the input end of the identity information comparison module (1312) through a lead, and the output end of the identity information comparison module (1312) is electrically connected with the input end of the identity information judgment module (1313) through a lead.
In the invention, the output end of the central processing unit (1) is electrically connected with the input end of the wireless information sending module (14) through a lead, and the wireless information sending module (14) is electrically connected with the input end of the intelligent terminal (15) through wireless.
In the invention, the input end of the central processing unit (1) is electrically connected with the output end of the positioning module (16) through a lead, and the picture shooting place can be known in time through the positioning module (16).
When the system works, the central processing unit 1 controls the video acquisition module 2 to work, the picture acquisition module (7) can acquire images of each frame in a monitoring video, generate picture formats and transmit the picture formats to the face recognition module 3, the face recognition module 3 screens the pictures to select the pictures with clear faces, then the pictures with the faces are transmitted to the face picture acquisition module 5 to extract face close-up pictures, the picture sorting module 6 sorts and sorts the extracted face close-up pictures, the pictures with similar characteristics are classified into one class, only one part of the same picture is reserved, the rest pictures are deleted by the picture deletion module 10, then the reserved picture information is transmitted to the characteristic comparison module 8, the characteristic comparison module 8 compares the acquired face picture characteristic information with the facial characteristic information of the suspect in the system, then the comparison result is fed back to the central processing unit 1 through the result feedback module 9, when it is detected that the similarity between the obtained facial image feature information and the facial feature information of the suspected person existing in the system is high, the central processing unit 1 transmits the image information with the facial feature information to the secondary confirmation module 11, the secondary extraction of the height, body type and other information is performed on the human body in the image through the detail feature extraction module 111, then the comparison is performed through the secondary comparison module 112, if the similarity between the obtained facial hip and the human body detail feature information in the image and the existing features in the system is high, the system determines that the suspected person with high similarity is present, the positioning module 16 transmits the position of the camera to the central processing unit 1, and then the central processing unit 1 transmits the result to the intelligent terminal 15 through the wireless information transmitting module 14, the information processing method comprises the steps of informing police officers of the occurrence of suspected suspects and position information of the suspected suspects, when the information of the suspects in the system needs to be changed or supplemented, inputting visitor information through an identity information input module 1311, then comparing the visitor identity information with the identity information of workers in the system through an identity information comparison module 1312, judging whether the visitors have access rights or not through an identity information judgment module 1313, and supplementing or changing the information of the suspects through an information input module 112 after the visitors pass the rights.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a video monitoring system with face identification function, includes central processing unit (1), the output of central processing unit (1) passes through the input electric connection of wire and video acquisition module (2), its characterized in that: the output end of the central processing unit (1) is electrically connected with the input end of the face recognition module (3) through a lead, the output end of the face recognition module (3) is electrically connected with the input end of the face picture acquisition module (4) through a lead, the output end of the face picture acquisition module (4) is electrically connected with the input end of the facial feature extraction module (5) through a lead, the output end of the facial feature extraction module (5) is electrically connected with the input end of the picture sorting module (6) through a lead, the output end of the video acquisition module (2) is electrically connected with the input end of the picture acquisition module (7) through a lead, the output end of the picture acquisition module (7) is electrically connected with the input end of the face recognition module (3) through a lead, and the output end of the picture sorting module (6) is electrically connected with the input end of the feature comparison module (8) through a lead, and the output end of the characteristic comparison module (8) is electrically connected with the input end of the result feedback module (9) through a lead, and the output end of the result feedback module (9) is electrically connected with the input end of the central processing unit (1) through a lead.
2. The video monitoring system with the face recognition function according to claim 1, characterized in that: the output end of the picture sorting module (6) is electrically connected with the input end of the picture deleting module (10) through a conducting wire, and the output end of the central processing unit (1) is electrically connected with the input end of the characteristic comparing module (8) through a conducting wire.
3. The video monitoring system with the face recognition function according to claim 1, characterized in that: the output end of the central processing unit (1) is electrically connected with the input end of the secondary confirmation module (11) through a wire, the secondary confirmation module (11) comprises a detail feature extraction module (111) and a secondary comparison module (112), and the output end of the detail feature extraction module (111) is electrically connected with the input end of the secondary comparison module (112) through a wire.
4. The video monitoring system with the face recognition function according to claim 1, characterized in that: the central processing unit (1) is in bidirectional connection with the network storage module (12) in a wireless mode, the input end of the network storage module (12) is electrically connected with the output end of the information supplement module (13) through a lead, and the information supplement module (13) comprises an access authority judgment module (131) and an information entry module (132).
5. The video monitoring system with the face recognition function according to claim 4, wherein: the access authority judging module (131) comprises an identity information input module (1311), an identity information comparison module (1312) and an identity information judging module (1313).
6. The video monitoring system with the face recognition function according to claim 5, wherein: the output end of the identity information input module (1311) is electrically connected with the input end of the identity information comparison module (1312) through a lead, and the output end of the identity information comparison module (1312) is electrically connected with the input end of the identity information judgment module (1313) through a lead.
7. The video monitoring system with the face recognition function according to claim 1, characterized in that: the output end of the central processing unit (1) is electrically connected with the input end of the wireless information sending module (14) through a wire, and the wireless information sending module (14) is electrically connected with the input end of the intelligent terminal (15) through wireless.
8. The video monitoring system with the face recognition function according to claim 1, characterized in that: the input end of the central processing unit (1) is electrically connected with the output end of the positioning module (16) through a lead.
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Application publication date: 20200424 |