CN102065279B - A kind of method and system of continuous tracking monitored object - Google Patents
A kind of method and system of continuous tracking monitored object Download PDFInfo
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Abstract
The invention provides a kind of method and system of continuous tracking monitored object, during to solve existing monitoring through being everlasting and following the tracks of entity, cannot confirm that the next one closes on control point in time, and cause the problem of following the tracks of entity and losing.Described method comprises: the direction of motion according to monitored object selects video camera call direction; Automatically search from the nearest video camera of current camera according to video camera call direction; Call described nearest video camera to continue to monitor monitored object, and real-time display monitoring picture.The present invention remembers the correspondence position of thousands of control points completely without the need to monitor staff, automatically can switch next adjacent control point fast, thus reduces the situation of following the tracks of entity and losing.
Description
Technical field
The present invention relates to Video Supervision Technique, particularly relate to a kind of method and system of continuous tracking monitored object.
Background technology
Video monitoring is the important component part of safety and protection system, in recent years, along with the develop rapidly of computer, network and image procossing, transmission technology, video monitoring system moves towards digitlization from simulation, and monitoring management platform also develops into large centralised management software by matrix.And software front end is the assembly of large centralised management software indispensability, it provides man-machine communication interface for user, user can be operated by eyes, finger etc. and apply all functions of supervisory control system.
In large-scale monitoring environment, software front end comprises the basic monitoring function such as image-watching, cradle head control, and user can watch realtime graphic over the display, and follows the tracks of entity by cradle head control keyboard operation.The tracking of current employing is: monitor staff watches realtime graphic, and when finding that entity will shift out the monitoring range of current camera, another video camera in operation cradle head control keyboard shift physical movement direction proceeds monitoring.
As from the foregoing, when Continuous Tracking entity, monitor staff needs to understand very much the position (namely installing the position of video camera) of site environment and control point, could determine next tracing and monitoring point rapidly and accurately and play at broadcast window.But in large-scale monitoring environment, as safe city etc., monitor staff cannot remember the correspondence position of thousands of control points completely, cannot confirm that the next one closes on control point in time when entity is followed the tracks of in monitoring of being everlasting, and cause the situation of following the tracks of entity and losing.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method and system of continuous tracking monitored object, cannot confirm that the next one closes on control point in time during to solve existing monitoring through being everlasting and following the tracks of entity, and causes the problem of following the tracks of entity and losing.
In order to solve the problem, the invention discloses a kind of method of continuous tracking monitored object, comprising:
The direction of motion according to monitored object selects video camera call direction;
Automatically search from the nearest video camera of current camera according to video camera call direction;
Call described nearest video camera to continue to monitor monitored object, and real-time display monitoring picture.
Preferably, describedly automatically search from the nearest video camera of current camera according to video camera call direction, comprise: according to the interaction relation between the video camera pre-set, search and there is interaction relation with current camera and in video camera call direction from the nearest video camera of current camera.
Preferably, describedly automatically to search from the nearest video camera of current camera according to video camera call direction, comprising: by contrasting the geographic information data of video camera, search at video camera call direction and the nearest video camera of current camera.
Preferably, described real-time display monitoring picture comprises: switching monitoring picture, full screen display call the monitored picture of video camera; Or, split screen show described current camera monitored picture and call the monitored picture of video camera.
Preferably, the described direction of motion according to monitored object selects video camera call direction, comprising: the specific keys pressing cradle head control keyboard according to the direction of motion of monitored object selects video camera call direction.
Present invention also offers a kind of supervisory control system of continuous tracking monitored object, comprising:
CCTV camera, for gathering the monitored picture comprising monitored object, and is real-time transmitted to monitoring management server;
Cradle head control keyboard, selects video camera call direction for the direction of motion according to monitored object by specific keys, and passes to monitoring management server;
Monitoring management server, for automatically searching from the nearest video camera of current camera according to video camera call direction, calling described nearest video camera and continuing to monitor monitored object;
Monitor client, for showing in real time by the monitored picture of monitoring management server calls CCTV camera.
Preferably, described monitoring management server, according to the interaction relation between the video camera pre-set, is searched and be there is interaction relation with current camera and in video camera call direction from the nearest video camera of current camera.
Preferably, described supervisory control system also comprises: geographic information server, for storing the geographic information data of all CCTV cameras; Then described monitoring management server is by the geographic information data of video camera in contrast geographic information server, searches at video camera call direction and the nearest video camera of current camera.
Preferably, described monitor client by switching monitoring picture, full screen display call the monitored picture of video camera; Or, split screen show described current camera monitored picture and call the monitored picture of video camera.
Preferably, described cradle head control keyboard is also for rotating CCTV camera by monitoring management server.
Compared with prior art, the present invention has the following advantages:
First, supervisory control system provided by the invention comprises CCTV camera, cradle head control keyboard, monitoring management server and monitor client, wherein said cradle head control keyboard can select video camera call direction according to the direction of motion of monitored object by specific keys, described monitoring management server can be searched from the nearest video camera of current camera automatically according to video camera call direction, calls described nearest video camera and continues to monitor monitored object.Therefore, the present invention remembers the correspondence position of thousands of control points completely without the need to monitor staff, automatically can switch next adjacent control point fast, thus reduces the situation of following the tracks of entity and losing.
Secondly, the invention provides the method for two kinds of nearest video cameras of fast finding, a kind of is the interaction relation preset between CCTV camera, then calls according to described interaction relation; Another kind utilizes GIS data, accurately searched, find nearest video camera by the GIS data contrasting CCTV camera.
Accompanying drawing explanation
Fig. 1 is the supervisory control system structure chart of a kind of continuous tracking monitored object described in the embodiment of the present invention;
Fig. 2 is that supervisory control system described in the embodiment of the present invention carries out the flow chart of Continuous Tracking to monitored object.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
The present invention proposes a kind of supervisory control system and method for supervising, can switch next adjacent control point fast, be described in detail below by embodiment in the process of following the tracks of entity along with the motion of entity.
With reference to Fig. 1, it is the supervisory control system structure chart of a kind of continuous tracking monitored object described in the embodiment of the present invention.
Described supervisory control system comprises CCTV camera 11, cradle head control keyboard 12, monitoring management server 13 and monitor client 14.Described CCTV camera 11 is arranged on each control point, and described cradle head control keyboard 12, monitoring management server 13 and monitor client 14 are arranged on monitoring room, can carry out remote monitoring by CCTV camera 11 to monitored object.
Wherein, the picture photographing of monitored object place scene, for tracing and monitoring object (namely above-mentioned tracking entity), gets off, and passes to monitoring management server 13 in real time by described CCTV camera 11.In the motion process of monitored object, need to carry out Continuous Tracking shooting by the CCTV camera 11 of multiple control point.Described CCTV camera 11 can be monopod video camera, monopod video camera can carry out omnibearing image scene collection by rotatable camera lens, and user can pass through cradle head control Keyboard Control video camera revolution orientation at monitoring room, realize paying close attention to and suspicious tracking.Wherein, The Cloud Terrace is the fastening of installation, fixed cameras.
Described cradle head control keyboard 12 controls selected CCTV camera 11 cloud platform rotation by monitoring management server 13, and monitor staff carrys out remote operation monitoring video camera 11 by operation cradle head control keyboard 12 and carries out multi-angled shooting.In addition, compared with prior art, the keyboard of cradle head control described in the present embodiment 12 also simulates direction setting specific keys up and down, when a certain specific keys is pressed, the direction operation order that this button represents by cradle head control keyboard 12 sends to monitoring management server 13, and this order represents the CCTV camera 11 calling this direction.
Described monitoring management server 13 is for providing monitoring function, and watch-dogs all in management system, such as, monitoring management server 13 can call or angular turn order to the transmission of long-range CCTV camera 11 according to the operational order of cradle head control keyboard 12, also the video pictures that CCTV camera 11 gathers can be issued monitor client 14 and show in real time.Described monitor client 14 provides human-computer interaction interface for user, directly provides every business function of supervisory control system.
In addition, compared with prior art, the video camera call direction order that the server of monitoring management described in the present embodiment 13 can also transmit according to cradle head control keyboard 12, automatically search from the nearest video camera of current camera, and call described nearest video camera continue tracing and monitoring is carried out to monitored object, namely can switch next control point fast.In the present embodiment, monitoring management server 13 can adopt following two kinds automatically to search mode:
One, the interaction relation between the CCTV camera 11 presetting each control point, monitoring management server 13, according to described interaction relation, is searched in video camera call direction from the nearest video camera of current camera.Such as, the video camera that CCTV camera a exists interaction relation in its upward direction is b, c successively, the video camera that there is interaction relation in its left direction is followed successively by d, e, if so CCTV camera a is current camera, monitor staff presses the LeftArrow on cradle head control keyboard 12, and CCTV camera 11 will the nearest video camera d of Automatically invoked according to interaction relation.
Its two, described system can also arrange GIS (GeographicInformationSystem, GIS-Geographic Information System) server 15, for storing the geographic information data of all CCTV cameras 11; Monitoring management server 13 can by the geographic information data of video camera in contrast GIS server 15, searches at video camera call direction and the nearest video camera of current camera.Concrete control methods can be: according to the uniqueness of video camera geographical coordinate, first with the longitude of current camera for initial point carries out longitude contrast, search to video camera call direction, until the multiple video cameras finding geographical coordinate nearest; And then with the latitude of current camera for initial point carries out latitude contrast, search to video camera call direction, until find nearest one again from described multiple video camera.Certainly, also first can carry out latitude contrast and carry out longitude contrast again.
Automatically search in mode for above-mentioned two kinds, searching on a large scale of a kind of directivity based on searching of preset interlock, generally be applicable to search the control point on main traffic road, and search owing to all storing the geographical coordinate of all video cameras based on GIS data, be therefore more suitable for accurately searching.Monitoring management server 13 can be used alone any one mode, also can use simultaneously, namely carries out preset interlock for the control point on major trunk roads and searches, and can obtain lookup result more accurately fast; GIS data is then carried out for the control point in some small streets search, more accurate lookup result can be obtained.
The monitored picture that described monitor client 14 calls CCTV camera 11 by monitoring management server 13 shows in real time.Present embodiments provide two kinds of display modes can selected for user: one is by switching monitoring picture, the picture of current camera is switched to the picture of called video camera, and is displayed in full screen; Another kind is the two picture of automatic split screen, show simultaneously current camera monitored picture and call the monitored picture of video camera.
With reference to Fig. 2, be that described supervisory control system carries out the flow chart of Continuous Tracking to monitored object.
Step 201, cradle head control keyboard rotates CCTV camera by monitoring management server and carries out track up to monitored object, the collection video of monitored object is passed to monitoring management server by CCTV camera in real time, and monitoring management server sends play command to monitor client and carries out video playback;
Step 202, along with the direction of motion of monitored object selects video camera call direction by cradle head control keyboard;
When being observed monitored object by monitor client and being about to the monitoring range leaving current camera, press specific keys on cradle head control keyboard to call to select the video camera of departure direction, the video camera call instruction in this direction is sent to monitoring management server by cradle head control keyboard.
Step 203, monitoring management server judges whether to there is preset interaction relation, if existed, then searches in video camera call direction from the nearest video camera of current camera according to interaction relation, and continues step 205; If there is no, then step 204 is continued;
Step 204, monitoring management server, by the GIS data of contrast video camera, is searched at video camera call direction and the nearest video camera of current camera, and is continued step 205;
Described nearest video camera and corresponding next control point.
Step 205, monitoring management server sends call instruction to the nearest video camera found, and sends play command to monitor client;
Step 206, described nearest video camera starts to carry out track up to monitored object, and shooting picture is passed to monitor client display by monitoring management server.
Current camera can switch to the video camera of next control point to carry out picture display by monitor client, also can be shown the monitored picture of these two control points by split screen technology simultaneously.
In sum, supervisory control system provided by the invention and method for supervising, can the shortcut being modeled to cradle head control keyboard all around respectively, when user operation specific keys, the GIS data of the preferential direction of current monitor video camera in GIS server can be contrasted, select a nearest CCTV camera, and the current camera video with selecting of split screen display, or only show the video of selected video camera.User also can preset the interlock call relation between CCTV camera, searches nearest CCTV camera.Therefore, in large-scale monitoring environment, the present invention remembers the correspondence position of thousands of control points completely without the need to monitor staff, automatically can switch next adjacent control point fast, thus reduces the situation of following the tracks of entity and losing.
In addition, in actual applications, if one road has multiple video camera, and when being provided with multiple-camera interlock, system can calculate distance on road between video camera automatically by gps system, automatically the best relay monitoring angle between linkage camera is calculated by the camera lens monitoring range of Input of Data, focus information, can after monitored object leaves a camera supervised scope, next video camera can be automatically found best continuation monitoring angle, and control electric machine rotation to best monitoring angle, carry out monitoring relay.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For embodiment of the method, due to itself and system embodiment basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Above to the method and system of a kind of continuous tracking monitored object provided by the present invention, be described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a method for continuous tracking monitored object, is characterized in that, comprising:
The direction of motion according to monitored object selects video camera call direction;
Automatically search from the nearest video camera of current camera according to video camera call direction;
Call described nearest video camera to continue to monitor monitored object, and real-time display monitoring picture;
Wherein, describedly automatically to search from the nearest video camera of current camera according to video camera call direction, comprising:
According to the interaction relation between the video camera pre-set, search and there is interaction relation with current camera and in video camera call direction from the nearest video camera of current camera.
2. method according to claim 1, is characterized in that, describedly automatically searches from the nearest video camera of current camera according to video camera call direction, comprising:
By contrasting the geographic information data of video camera, search at video camera call direction and the nearest video camera of current camera.
3., according to the arbitrary described method of claim 1 to 2, it is characterized in that, described real-time display monitoring picture comprises:
Switching monitoring picture, full screen display call the monitored picture of video camera;
Or, split screen show described current camera monitored picture and call the monitored picture of video camera.
4. method according to claim 1, is characterized in that, the described direction of motion according to monitored object selects video camera call direction, comprising:
The specific keys pressing cradle head control keyboard according to the direction of motion of monitored object selects video camera call direction.
5. a supervisory control system for continuous tracking monitored object, is characterized in that, comprising:
CCTV camera, for gathering the monitored picture comprising monitored object, and is real-time transmitted to monitoring management server;
Cradle head control keyboard, selects video camera call direction for the direction of motion according to monitored object by specific keys, and passes to monitoring management server;
Monitoring management server, for automatically searching from the nearest video camera of current camera according to video camera call direction, calling described nearest video camera and continuing to monitor monitored object;
Monitor client, for showing in real time by the monitored picture of monitoring management server calls CCTV camera;
Wherein, described monitoring management server, according to the interaction relation between the video camera pre-set, is searched and be there is interaction relation with current camera and in video camera call direction from the nearest video camera of current camera.
6. system according to claim 5, is characterized in that, also comprises:
Geographic information server, for storing the geographic information data of all CCTV cameras;
Then described monitoring management server is by the geographic information data of video camera in contrast geographic information server, searches at video camera call direction and the nearest video camera of current camera.
7., according to the arbitrary described system of claim 5 to 6, it is characterized in that:
Described monitor client by switching monitoring picture, full screen display call the monitored picture of video camera; Or, split screen show described current camera monitored picture and call the monitored picture of video camera.
8. system according to claim 5, is characterized in that:
Described cradle head control keyboard is also for rotating CCTV camera by monitoring management server.
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Effective date of registration: 20180105 Address after: 100083 Haidian District, Xueyuan Road, No. 35, the world building, the second floor of the building on the ground floor, No. 16 Co-patentee after: Vimicro Electronics Co., Ltd. Patentee after: Zhongxing Technology Co., Ltd. Address before: 100083 Haidian District, Xueyuan Road, No. 35, the world building, the second floor of the building on the ground floor, No. 16 Co-patentee before: Vimicro Electronics Co., Ltd. Patentee before: Beijing Vimicro Corporation |
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Address after: 100083 Haidian District, Xueyuan Road, No. 35, the world building, the second floor of the building on the ground floor, No. 16 Co-patentee after: Vimicro Electronics Co., Ltd. Patentee after: Mid Star Technology Limited by Share Ltd Address before: 100083 Haidian District, Xueyuan Road, No. 35, the world building, the second floor of the building on the ground floor, No. 16 Co-patentee before: Vimicro Electronics Co., Ltd. Patentee before: Zhongxing Technology Co., Ltd. |