CN110267087B - Dynamic label adding method, device and system - Google Patents
Dynamic label adding method, device and system Download PDFInfo
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- CN110267087B CN110267087B CN201910516625.6A CN201910516625A CN110267087B CN 110267087 B CN110267087 B CN 110267087B CN 201910516625 A CN201910516625 A CN 201910516625A CN 110267087 B CN110267087 B CN 110267087B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
Abstract
The invention belongs to the technical field of video monitoring, and particularly relates to a dynamic label adding method, device and system. This scheme includes: firstly, acquiring first GPS (global positioning system) position information A and equipment information uploaded by mobile equipment through a three-dimensional cloud defense system; calculating the xy coordinates of the video frame picture position of the mobile equipment according to the first GPS position information A and the PTZ information of the current video frame picture; and generating a first label corresponding to the mobile equipment at the xy coordinate of the current video frame picture according to the xy coordinate and the uploaded equipment information. Adding a dynamic label in a video frame picture, wherein the position of the label changes along with the position change of the mobile equipment; the position of the mobile equipment can be dynamically marked in real time, so that the label information and management and control of the mobile equipment can be conveniently checked in the live-action picture.
Description
Technical Field
The invention belongs to the technical field of video monitoring, and particularly relates to a dynamic label adding method, device and system.
Background
At present, image acquisition equipment is arranged in a plurality of scenes, and related personnel can monitor the scenes through acquired video frame images. Generally, mobile devices with GPS location information are shown in the form of fixed tags in video frames or on two-dimensional maps. The real-time change of the position of the mobile equipment cannot be controlled, the position change condition of the mobile equipment cannot be displayed in a video frame picture by using a dynamic label, and the mobile equipment cannot be conveniently checked and controlled in a live-action picture.
Disclosure of Invention
In order to solve the technical defects in the prior art, the invention provides a dynamic label adding method, equipment and system.
The invention is realized by the following technical scheme:
a dynamic label adding method, comprising the steps of:
s1, the stereoscopic cloud protection system actively acquires or passively receives first GPS position information A and equipment information uploaded by the mobile equipment at regular time;
s2, in a current video frame picture with AR information of the stereoscopic cloud protection system, calculating xy coordinates of the position of the video frame picture where the mobile equipment is located through first GPS position information A of the mobile equipment and PTZ information of the current video frame picture;
s3, according to the xy coordinates of the video frame picture where the mobile equipment is located calculated in the step S2 and the uploaded equipment information, the stereoscopic cloud protection system automatically generates a first label corresponding to the mobile equipment at the xy coordinates of the current video frame picture;
s4, when detecting that the first GPS position information A of the mobile equipment changes, uploading the changed second position information B to a stereoscopic cloud protection system;
and S5, repeating the steps S2 and S3, obtaining a second position of the second label corresponding to the second position information B in the video frame picture, and overlaying the second label to the video frame picture according to the second position.
Preferably, the device information includes a device ID and a device name; the first and second labels each comprise: the tag name, the tag display type, and tag-associated camera ID information.
Further, the step S3 further includes: acquiring the GPS information of the current video frame picture, calculating the distance between the mobile equipment and the current video frame picture according to the first GPS position information of the mobile equipment and the GPS information of the current video frame picture, and entering the step S4 when the distance is smaller than or equal to the preset distance.
A dynamic label adding device is applied to a three-dimensional cloud defense system, wherein the dynamic label adding device executes and realizes a dynamic label adding method; the dynamic label adding equipment comprises a camera, the camera is used for carrying out video monitoring on a target area, and when the mobile equipment appears in the target area, a label corresponding to the mobile equipment is automatically generated on a video frame picture of the dynamic label adding equipment.
Preferably, the camera is a camera of AR information or a panoramic camera. .
Preferably, the mobile device is a device having a function of periodically transmitting own GPS position information.
Preferably, the mobile device is a 4G law enforcement instrument, a patrol car or an unmanned aerial vehicle.
A dynamic label adding system is applied to a three-dimensional cloud defense system and comprises dynamic label adding equipment, wherein the dynamic label adding equipment executes and realizes a dynamic label adding method; the dynamic label adding system further comprises a camera, wherein the camera is used for carrying out video monitoring on the target area, and when the mobile equipment appears in the target area, a label corresponding to the mobile equipment is automatically generated on a video frame picture of the dynamic label adding equipment.
Preferably, the camera is a camera of AR information or a panoramic camera.
Preferably, the mobile device is a device having a function of periodically transmitting own GPS position information.
Preferably, the mobile device is a 4G law enforcement instrument, a patrol car or an unmanned aerial vehicle.
Compared with the prior art, the invention has at least the following beneficial effects or advantages: adding a dynamic label in a video frame picture, wherein the position of the label changes along with the position change of the mobile equipment; the position of the mobile equipment can be dynamically marked in real time, so that the label information and management and control of the mobile equipment can be conveniently checked in the live-action picture.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings;
FIG. 1 is a diagram illustrating a change in motion state of a mobile device according to the present invention;
FIG. 2 is a schematic view of the dynamic label presented in a video frame.
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 some, not all, embodiments of the present invention. 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.
The invention provides a dynamic label adding method, equipment and a system, which are applied to a three-dimensional cloud defense system. And taking AR augmented reality as a core and a video map engine as a basis to carry out gridding partition management on the whole city on the video map. By docking platform data including PGIS, three-in-one, video monitoring, electronic fences and the like and fusing multi-party data such as a 4G law enforcement instrument, a patrol car, an interphone, a police service gateway, face recognition, vehicle recognition, an unmanned aerial vehicle, a wifi probe and the like, details such as buildings, streets, people, vehicles, emergency events, police strength and the like in the high-point video are automatically superposed on a 'live-action map' based on the high-point video in a point, line and surface map layer mode, and the 'three-dimensional live-action visualization' command and scheduling of high-low linkage is really realized.
The camera is the camera or the panorama camera that has AR information, and it can the whole condition in monitoring area, and mobile device is for having the equipment of regularly sending self GPS positional information, like: 4G law enforcement, etc. When the mobile equipment is present in a video monitoring area, a label corresponding to the mobile equipment is automatically generated in a video frame picture.
A dynamic label adding method comprises the following steps:
s1, periodically and actively acquiring or passively receiving the GPS location information sent by the mobile device to the stereo cloud protection system, such as location a in fig. 1;
s2, the timing of actively acquiring or passively receiving the information sent by the mobile device includes: device ID, device name, device location GPS, etc.;
s3, in a stereoscopic cloud defense system, in a video frame picture with AR information at present, calculating xy coordinates of the position of the mobile equipment in the video frame picture through first GPS position information of the position A of the mobile equipment and PTZ (Pan/Tilt/Zoom) information of the current video frame picture;
in one embodiment, the stereo cloud protection system receives video information of a camera, the camera is arranged in an area to be monitored, specifically, the camera can be a cloud platform, so that the stereo cloud protection system has the PTZ information, and the PTZ information of the camera can be obtained by the stereo cloud protection system through network communication.
S4, responding to the step S3, automatically generating a unique corresponding label in the current video frame picture according to the equipment ID and the equipment name of the information sent by the equipment by the stereoscopic cloud protection system, wherein the position A of the label in FIG. 2 corresponds to the position A in FIG. 1;
the specific label comprises: label name, label display type, label-associated camera ID, and the like.
S5, when the mobile device uploads or detects that the location changes, it uploads new location information to the stereo cloud protection system, such as location B in fig. 1;
s6, repeating the steps S3 and S4, the position of the tag in the video frame will change from position A to position B directly.
The embodiment can regularly update the display position of the label corresponding to the mobile equipment in the video by regularly acquiring the GPS information of the mobile equipment, so that the movement condition of the mobile equipment can be acquired.
Further, in step S3, the GPS information of the current video frame picture may also be acquired, and the distance between the mobile device and the current video frame picture may be calculated according to the first GPS information of the mobile device and the GPS information of the current video frame picture. Specifically, after the distance from the mobile device to the current video frame picture is obtained, the distance is compared with a preset distance, and when the distance is smaller than or equal to the preset distance, the step S4 is performed, otherwise, the mobile device is directly filtered, and the tag corresponding to the mobile device is not displayed in the video frame picture.
In one embodiment, the stereo cloud protection system receives video information of the camera, the camera is arranged in an area to be monitored, and as long as the camera is provided with a GPS sensor to acquire preset GPS information, the stereo prevention system can acquire the GPS information of the camera.
The preset distance can be set to be the radius of the visual range of the camera, different visual ranges exist for different cameras, and the preset distance can be set according to the visual range of a specific camera in practical application.
Through the step, whether the label of the mobile equipment is displayed or not can be determined according to the distance between the mobile equipment and the video frame picture, and when the mobile equipment is not in the visible range of the camera, the label corresponding to the mobile equipment is not displayed.
The present invention also provides a computer-readable storage medium having stored thereon a computer program, characterized in that the program realizes the steps of the dynamic label adding method when executed by a processor.
The invention also provides a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the dynamic label adding method when executing the program.
The above-mentioned embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, and it should be understood that the above-mentioned embodiments are only examples of the present invention and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the invention are also within the protection scope of the invention.
Claims (9)
1. A dynamic label adding method is characterized by comprising the following steps:
s1, the stereoscopic cloud protection system actively acquires or passively receives first GPS position information A and equipment information uploaded by the mobile equipment at regular time;
s2, in a current video frame picture with AR information of the stereoscopic cloud protection system, calculating xy coordinates of the position of the video frame picture where the mobile equipment is located through first GPS position information A of the mobile equipment and PTZ information of the current video frame picture;
s3, according to the xy coordinates of the video frame picture where the mobile equipment is located calculated in the step S2 and the uploaded equipment information, the stereoscopic cloud protection system automatically generates a first label corresponding to the mobile equipment at the xy coordinates of the current video frame picture;
s4, when detecting that the first GPS position information A of the mobile equipment changes, uploading the changed second position information B to a stereoscopic cloud protection system;
s5, repeating the steps S2 and S3, obtaining a second position of a second label corresponding to the second position information B in a video frame picture, and superposing the second label to the video frame picture according to the second position;
wherein the step S3 further includes: acquiring the GPS information of the current video frame picture, calculating the distance between the mobile equipment and the current video frame picture according to the first GPS position information of the mobile equipment and the GPS information of the current video frame picture, and entering the step S4 when the distance is smaller than or equal to the preset distance.
2. The dynamic tag addition method according to claim 1, wherein the device information includes a device ID and a device name; the first and second labels each comprise: the tag name, the tag display type, and tag-associated camera ID information.
3. A dynamic label adding device applied to a three-dimensional cloud defense system, wherein the dynamic label adding device executes and implements the dynamic label adding method of one of claims 1-2; the dynamic label adding equipment comprises a camera, the camera is used for carrying out video monitoring on a target area, and when the mobile equipment appears in the target area, a label corresponding to the mobile equipment is automatically generated on a video frame picture of the dynamic label adding equipment.
4. The dynamic tag adding apparatus according to claim 3, wherein the camera is a camera of AR information or a panoramic camera.
5. The dynamic tag addition device according to claim 3, wherein the mobile device is a 4G law enforcement, patrol car, or drone.
6. A dynamic label adding system is applied to a three-dimensional cloud defense system and comprises dynamic label adding equipment, wherein the dynamic label adding equipment executes and realizes the dynamic label adding method of one of claims 1-2; the dynamic label adding system further comprises a camera, wherein the camera is used for carrying out video monitoring on the target area, and when the mobile equipment appears in the target area, a label corresponding to the mobile equipment is automatically generated on a video frame picture of the dynamic label adding equipment.
7. The dynamic tag addition system according to claim 6, wherein the camera is a camera of AR information or a panoramic camera.
8. The dynamic tag addition system according to claim 6, wherein the mobile device is a device having a function of periodically transmitting own GPS position information.
9. The dynamic tag addition system according to claim 8, wherein the mobile device is a 4G law enforcement, patrol car, or drone.
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| CN108712362A (en) * | 2018-03-15 | 2018-10-26 | 高新兴科技集团股份有限公司 | A kind of video map automotive engine system |
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| CN108712362A (en) * | 2018-03-15 | 2018-10-26 | 高新兴科技集团股份有限公司 | A kind of video map automotive engine system |
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