CN112711964A - Face tracking monitoring system and method - Google Patents
Face tracking monitoring system and method Download PDFInfo
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- CN112711964A CN112711964A CN201911018280.8A CN201911018280A CN112711964A CN 112711964 A CN112711964 A CN 112711964A CN 201911018280 A CN201911018280 A CN 201911018280A CN 112711964 A CN112711964 A CN 112711964A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/292—Multi-camera tracking
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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
- G06V40/70—Multimodal biometrics, e.g. combining information from different biometric modalities
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30196—Human being; Person
- G06T2207/30201—Face
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30232—Surveillance
Abstract
The invention provides a face tracking monitoring system and a method, which relate to the field of security monitoring, and the system comprises: the device comprises a camera device, a main control module, a storage module and a terminal; the storage module is used for storing a preset face image, the camera device comprises a main camera and a plurality of groups of auxiliary cameras, the main camera is used for shooting a panoramic image, and the auxiliary cameras are used for shooting a high-definition face image; the main control module comprises a face recognition module and a comparison module, and the face recognition module is used for recognizing a face image in the panoramic image; the comparison module is used for comparing the face image in the panoramic image with face contour information of a preset face image in the storage module and comparing the high-definition face image with pupil iris information; the terminal is used for receiving the face image and the high-definition face image. The face monitoring system is used for solving the technical problems that the face distribution control technology in the prior art is not mature enough, the suspect cannot be shot flexibly and freely in real time, and the suspect cannot be monitored.
Description
Technical Field
The invention relates to the field of security monitoring, in particular to a face tracking monitoring system and a face tracking monitoring method.
Background
With the development of economy, the speed of urban construction is accelerated, so that the population in cities is dense, the number of floating population is increased, the social crime rate is increased year by year, and the urban management problems of traffic, social security, key area precaution and the like in urban construction are caused. Aiming at the conditions that criminals have strong mobility, the conditions are complex, key personnel are difficult to deploy and control and the like, the current popular method is to establish a set of efficient video monitoring system platform.
The high-definition popularization of a large number of safe cities and social monitoring provides a foundation for face recognition application. After a case, the face recognition contrast is extracted by using video recording, and suspected persons can be effectively positioned by using face bayonet track clue analysis and the like. The human face real-time distribution and control system can be widely applied to places such as shopping malls, hotels, internet cafes, rental houses, bus stations, train stations, squares, traffic key roads and the like.
However, the face control system has many limitations, such as: people are required to play back video and manually search for suspects, which is a great workload when people flow more; the video monitoring camera cannot automatically focus and track shooting, so that transient image blurring and local amplification blurring are caused, and especially the shooting of human faces is realized; the system can not photograph the suspect in real time, flexibly and freely, and can not play a role in monitoring the suspect. Therefore, it is necessary to improve a face arrangement control system, further process and identify the shot picture, and realize tracking and high-definition shooting of the target person.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a face tracking and monitoring system and method, which are used to solve the technical problems that the face distribution and control technology in the prior art is not mature enough, and cannot flexibly and freely photograph a suspect in real time, and even cannot monitor the suspect.
The invention provides a face tracking monitoring system, which comprises: the device comprises a camera device, a main control module, a storage module and a terminal;
the storage module is used for storing a preset face image, and the preset face image comprises face contour information and pupil iris information;
the camera device comprises a main camera and a plurality of groups of auxiliary cameras, wherein the main camera is used for shooting panoramic images in a monitoring range, and the auxiliary cameras are used for shooting high-definition face images;
the main control module comprises a face recognition module and a comparison module,
the face recognition module is used for recognizing a face image in the panoramic image;
the comparison module is used for comparing the face image in the panoramic image with face contour information of a preset face image in the storage module and comparing the high-definition face image with pupil iris information;
the terminal is used for receiving the face image and the high-definition face image.
In an embodiment of the present invention, the number of the predetermined face images may be one or more, which is determined by the number of people to track and search.
In an embodiment of the present invention, the sub camera includes a focus tracking chip and a focus control chip, and tracks and focuses the face image in the panoramic image.
A face tracking monitoring method, the method comprising:
step 1: the method comprises the steps that a main camera shoots to form a panoramic image, and the panoramic image is transmitted to a face recognition module;
step 2: the face recognition module recognizes a face in the panoramic image to obtain a face image set;
and step 3: the comparison module compares the face image set with face contour information of a preset face image to obtain a similar face image set;
and 4, step 4: tracking the similar face image set by the auxiliary camera, and carrying out focusing shooting on the similar face image set to obtain a high-definition face image set;
and 5: and the comparison module acquires the high-definition face image set and compares the pupil iris information of the preset face image to obtain a suspected face image.
In an embodiment of the present invention, the step 3 specifically includes:
the comparison module acquires a face image set and face contour information of a preset face image;
comparing the face contour information in the face image set with the face contour information of a preset face image one by one;
obtaining a similar face image set similar to face contour information of a preset face image;
and sending the similar face image set to a terminal.
In an embodiment of the present invention, the step 4 specifically includes:
the multiple groups of auxiliary cameras respectively track different faces in the similar face image set;
and automatically focusing and shooting according to the distance of the human face to obtain a plurality of high-definition human face images so as to form a high-definition human face image set.
In an embodiment of the present invention, the step 5 specifically includes:
the comparison module acquires a high-definition face image set and pupil iris information of a preset face image;
comparing the pupil iris information in the high-definition face image set with the pupil iris information of a preset face image one by one,
obtaining a suspected face image which is the same as pupil iris information of a preset face image;
and sending the suspected face image to a terminal.
As described above, the present invention has the following advantageous effects:
1. the invention adopts a plurality of groups of auxiliary cameras to assist the main camera to shoot, overcomes the defects of the main camera, realizes shooting of a panoramic picture, and simultaneously can track and shoot the face of a target person to obtain a high-definition picture.
2. According to the invention, the shot face image is compared with the preset face image for two times, and a plurality of similar faces can be screened out after the face contour information is compared for one time; then, a high-definition face image is obtained through tracking shooting of the auxiliary camera, a target person can be basically determined after the image is compared with the pupil iris information, and the effect of achieving double results with little effort is achieved.
Drawings
Fig. 1 is a schematic diagram of a module structure disclosed in the present invention.
FIG. 2 is a schematic flow chart of the present disclosure.
Description of the element reference numerals
1-a camera device; 11-a main camera; 12-secondary camera; 121-focus tracking chip; 122-focus control chip; 2-a main control module; 21-a face recognition module; 22-a comparison module; 3-a storage module; 4-a terminal;
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1 and fig. 2, the present invention provides a face tracking monitoring system, which includes: the device comprises a camera device 1, a main control module 2, a storage module 3 and a terminal 4;
the storage module 3 is used for storing a preset face image, wherein the preset face image comprises face contour information and pupil iris information;
specifically, the number of the preset face images can be one or more, and is determined by the number of tracked and searched people; the face contour information to be entered includes: face, eyes, nose, mouth, ears, eyebrows, etc.
The camera device 1 comprises a main camera 11 and a plurality of groups of auxiliary cameras 12, wherein the main camera 11 is used for shooting panoramic images in a monitoring range, and the auxiliary cameras 12 are used for shooting high-definition face images;
preferably, the number of the auxiliary cameras 12 can be set to 4, and the auxiliary cameras are fixedly connected with the main camera 11, and the shooting ranges of the four auxiliary cameras 12 cover a panoramic picture shot by the main camera 11;
the sub-camera 12 includes a focus tracking chip 121 and a focus control chip 122, and is used for tracking and focusing a face image in a panoramic image.
The main control module 2 comprises a face recognition module 21 and a comparison module 22,
the face recognition module 21 is used for recognizing a face image in the panoramic image;
the comparison module 22 is used for comparing the face image in the panoramic image with face contour information of a preset face image in the storage module 3, and comparing the high-definition face image with pupil iris information;
the terminal 4 is used for receiving the face image and the high-definition face image, and the terminal 4 can be a mobile phone, a tablet computer, a palm computer, a desktop computer, a personal digital assistant and the like.
A face tracking monitoring method, the method comprising:
step 1: the main camera 11 shoots to form a panoramic image and transmits the panoramic image to the face recognition module 21;
step 2: the face recognition module 21 recognizes a face in the panoramic image to obtain a face image set;
and step 3: the comparison module 22 compares the face image set with face contour information of a preset face image to obtain a similar face image set;
and 4, step 4: the auxiliary camera 12 tracks the similar face image set and carries out focusing shooting on the similar face image set to obtain a high-definition face image set;
and 5: the comparison module 22 obtains the high-definition face image set and compares the pupil iris information of the preset face image to obtain a suspected face image.
The step 3 specifically comprises the following steps:
the comparison module 22 acquires face image sets and face contour information of preset face images;
comparing the face contour information in the face image set with the face contour information of a preset face image one by one;
obtaining a similar face image set similar to face contour information of a preset face image;
and sending the similar face image set to a terminal 4.
In this embodiment, the face image set includes a plurality of face images, and the plurality of face images are compared with one or more preset face images, where the comparison content is: information such as face shape, eyes, nose, mouth, ears, eyebrows, etc.; if the face image similar to the preset face image exists, the image is classified into a similar face image set. When a similar face image is detected, the sub-camera 12 is turned on.
Based on the above embodiment, the step 3 specifically includes:
the multiple groups of auxiliary cameras 12 respectively track different faces in the similar face image set;
and automatically focusing and shooting according to the distance of the human face to obtain a plurality of high-definition human face images so as to form a high-definition human face image set.
The working principle of the auxiliary camera 12 is as follows: according to the position of the similar face image in the panoramic image, the auxiliary cameras 12 are selectively opened, the focus tracking chip 121 marks and tracks the similar face image in the monitoring range, meanwhile, the focusing control chip 122 controls the auxiliary cameras 12 to adjust the focal length according to the distance of a target, focusing shooting is carried out on the target face to obtain a high-definition face image, and a high-definition face image set is formed by a plurality of groups of high-definition face images shot by the auxiliary cameras 12.
Based on the above embodiment, the step 4 specifically includes:
the comparison module 22 acquires the high-definition face image set and the pupil iris information of the preset face image;
comparing the pupil iris information in the high-definition face image set with the pupil iris information of a preset face image one by one,
obtaining a suspected face image which is the same as pupil iris information of a preset face image;
and sending the suspected face image to a terminal 4.
In the embodiment, a final suspected face image is obtained after pupil iris information comparison;
the terminal 4 can immediately receive the similar face image set and the suspected face image, and can capture the target person according to the two images and the specific position.
In summary, the shot face image is compared with the preset face image for two times, and a plurality of similar faces can be screened out after the face outline information is compared for one time; then, a high-definition face image is obtained through tracking shooting of the auxiliary camera 12, a target person can be basically determined after the image is compared with the pupil iris information, labor cost and time cost are saved, and the effect of achieving double results with half the effort is achieved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A face tracking monitoring system, the system comprising: the device comprises a camera device, a main control module, a storage module and a terminal;
the storage module is used for storing a preset face image, and the preset face image comprises face contour information and pupil iris information;
the camera device comprises a main camera and a plurality of groups of auxiliary cameras, wherein the main camera is used for shooting panoramic images in a monitoring range, and the auxiliary cameras are used for shooting high-definition face images;
the main control module comprises a face recognition module and a comparison module,
the face recognition module is used for recognizing a face image in the panoramic image;
the comparison module is used for comparing the face image with face contour information of a preset face image in the storage module and comparing a high-definition face image with pupil iris information;
the terminal is used for receiving the face image and the high-definition face image.
2. The method of claim 1, wherein: the number of the preset face images can be one or more.
3. The method of claim 1, wherein: the auxiliary camera comprises a focus tracking chip and a focusing control chip and is used for tracking and focusing the face image in the panoramic image.
4. A face tracking monitoring method applied to the system according to any one of claims 1 to 3, wherein the method comprises:
step 1: the method comprises the steps that a main camera shoots to form a panoramic image, and the panoramic image is transmitted to a face recognition module;
step 2: the face recognition module recognizes a face in the panoramic image to obtain a face image set;
and step 3: the comparison module compares the face image set with face contour information of a preset face image to obtain a similar face image set;
and 4, step 4: tracking the similar face image set by the auxiliary camera, and carrying out focusing shooting on the similar face image set to obtain a high-definition face image set;
and 5: and the comparison module compares the high-definition face image set with the pupil iris information of the preset face image to obtain a suspected face image.
5. The method according to claim 4, wherein the step 3 specifically comprises:
the comparison module acquires a face image set and face contour information of a preset face image;
comparing the face contour information in the face image set with the face contour information of a preset face image one by one;
obtaining a similar face image set similar to face contour information of a preset face image;
and sending the similar face image set to a terminal.
6. The method of claim 4, wherein: the step 4 specifically includes:
the multiple groups of auxiliary cameras respectively track different faces in the similar face image set;
and automatically focusing and shooting according to the distance of the human face to obtain a plurality of high-definition human face images so as to form a high-definition human face image set.
7. The method of claim 4, wherein: the step 5 specifically includes:
the comparison module acquires a high-definition face image set and pupil iris information of a preset face image;
comparing the pupil iris information in the high-definition face image set with the pupil iris information of a preset face image one by one;
obtaining a suspected face image which is the same as pupil iris information of a preset face image;
and sending the suspected face image to a terminal.
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