CN102938827B - A kind of layering monitoring and commanding system and across the virtual tracking of camera - Google Patents
A kind of layering monitoring and commanding system and across the virtual tracking of camera Download PDFInfo
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- CN102938827B CN102938827B CN201210499188.XA CN201210499188A CN102938827B CN 102938827 B CN102938827 B CN 102938827B CN 201210499188 A CN201210499188 A CN 201210499188A CN 102938827 B CN102938827 B CN 102938827B
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Abstract
The invention provides a kind of layering monitoring and commanding system and across the virtual tracking of camera, described method is by clicking certain control point A of electronic chart, show that multiple video cameras that A point is installed splice the scene together video obtaining, respond by mouse, mouse manually selects to splice the area-of-interest in scene, or manually sliding mouse carrys out tracking target, display-object neighborhood information around in real time, realizes the layering monitoring of monitoring scene whole and part. The present invention has avoided between multiple video pictures, switching back and forth in video monitoring, finally present complete, a continuous monitored picture, respond by mouse simultaneously, monitor staff is participated in video monitoring, show in real time area-of-interest and motion target area, by mouse hand motion tracking target, realize target is across the virtual tracking of camera.
Description
Technical field
The invention belongs to intelligent video processing technology field, relate in particular to a kind of new video monitoring platform and moving targetAcross the virtual tracking of camera.
Background technology
In today of monitoring system fast development, system scale is increasing, and control point is more and more, and staff facesIncreasing monitoring image is had no time to attend to, along with the continuous expansion of monitoring range, need to be to bed rearrangement bridge, airport, and very longYi Duan highway or skyscraper are monitored, and the visual field of most of video cameras does not reach large like this monitoring range, therefore rightThe requirement of large visual field video monitoring increases gradually, has formed gradually a kind of high-end demand. Video panorama splicing solves as a kind ofScheme, has also obtained increasing concern. Thing followed video monitoring system will played the part of important role.
Up to the present, common watch-dog has 2 kinds, and the first is fixing camera (gunlock), adopts gunlock to aim atCertain scene is monitored, and weak point is in the time that monitoring scene is more, need to video camera be installed in multiple places, between sceneSwitch back and forth, when video way is more, switch when frequent, supervisor is easily tired, and people's notice can only concentrate on partOn picture, the second is ball machine, and ball machine monitoring is monitored peripheral region by roating sphere machine, but shortcoming is that the ball machine visual field is limited,The same time can only be monitored a scene, so still can miss part important information.
In target following link, if peace pulping apparatus can manually control ball or automatically track target, but tracking effect is subject to veryMultifactor impact, easily occurs to follow the tracks of failure or target is switched, and in tracing process, the monitored picture visual field concentrates on tracking targetNear, easily miss other important information. If installation gunlock, target easily appears in multiple pictures, switches shadow between pictureRing the seizure of monitor staff to video information, and gunlock installation direction fixes, monitoring scene can not change along with target,Easily lose tracking target.
Summary of the invention
The object of the present invention is to provide a kind of layering monitoring and commanding system and target across the virtual tracking of camera, purportSolving because existing monitoring system is in monitor procedure, between multiple video pictures, frequently switching, causing monitor staff's noticeDisperse, and check that for a long time multi-channel video is easily tired, and in monitor procedure, target is easily followed the problem of losing across camera.
The invention provides a kind of layering monitoring and commanding system, described system is divided into four layers, be respectively map layer, physical layer,Splicing scene layer and local Information Level; These four layers adopt respectively map, video camera photographed scene, splicing scene and mouse manually to obtainGet local scene and form such layering monitoring system.
The invention provides a kind of layering control and command method, click certain control point A of electronic chart, show what A point was installedMultiple video cameras splice the scene together video obtaining, and mouse is selected area-of-interest in scene together video, show in real time senseRegion-of-interest, can realize the layering monitoring of whole and part, and described method comprises following concrete steps:
Step 1, installs video camera in multiple control points;
Step 2, adds the geographical location information of control point in map to, while realizing mouse click map control point, and energyEnough call the video resource at this place;
Step 3, according to the multi-channel video of video-splicing step splicing control point, if splice successfully, execution step 5, otherwiseExecution step 4;
Step 4, the putting position of adjustment video camera, making has enough overlapping regions between adjacent camera picture, carries outStep 3;
Step 5, mouse is selected a certain area-of-interest in splicing scene, by obtaining mouse message, shows separately mouseChoose the image information of rectangular area.
The present invention also provides the virtual tracking of a kind of target across camera, clicks certain control point A of electronic chart, aobviousShow that multiple video cameras that A point is installed splice the scene together video obtaining, by mouse hand motion tracking moving target, extract mouseCoordinate peripheral region Pixel Information, shows moving target in real time, can realize target across the virtual tracking of camera, described method bagDraw together following concrete steps:
Step 1, installs video camera in multiple control points;
Step 2, adds the geographical location information of control point in map to, while realizing mouse click map control point, and energyEnough call the video resource at this place;
Step 3, according to the multi-channel video of video-splicing step splicing control point, if splice successfully, execution step 5, otherwiseExecution step 4;
Step 4, the putting position of adjustment video camera, making has enough overlapping regions between adjacent camera picture, carries outStep 3;
Step 5, a mouse click key, obtains mouse coordinates information, by mouse hand motion tracking moving target, extracts mouse and sitsMark peripheral region Pixel Information, amplifies and shows, can realize the virtual tracking across camera.
The present invention has avoided in video monitoring switching back and forth between multiple video pictures, finally present one complete, connectContinuous monitored picture responds by mouse simultaneously, and monitor staff is participated in video monitoring, show in real time area-of-interest andMotion target area, by mouse hand motion tracking target, realize target is across the virtual tracking of camera.
Brief description of the drawings
Fig. 1 is a kind of layering monitoring system provided by the invention;
Fig. 2 is the example of layering monitoring system provided by the invention;
Fig. 3 is the realization flow figure of a kind of hierarchical monitoring method of providing of first embodiment of the invention;
Fig. 4 is a kind of level splicing schematic diagram that first embodiment of the invention provides;
Fig. 5 is the realization flow figure of a kind of hierarchical monitoring method of providing of second embodiment of the invention;
Fig. 6 is that the one that second embodiment of the invention provides is vertically spliced schematic diagram;
Fig. 7 is the realization flow figure of a kind of hierarchical monitoring method of providing of third embodiment of the invention;
Fig. 8 is a kind of horizontal vertical splicing schematic diagram that third embodiment of the invention provides;
Fig. 9 is the virtual tracking realization flow of the one figure that fourth embodiment of the invention provides;
Figure 10 is the virtual tracking schematic diagram of one that fourth embodiment of the invention provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, rightThe present invention is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain the present invention, andBe not used in restriction the present invention.
Referring to accompanying drawing 1,2, monitoring and commanding system is divided into four layers, is respectively map layer, physical layer, splicing scene layer, partInformation Level. Electronic chart is the convergent-divergent of whole major region, and the geographical location information that map comprises control point, by clicking electronicallyCertain region in figure, can show near the scene together figure that this point is. This layering monitoring and commanding system refers to Image Mosaics skillArt is for monitoring, and multiple video camera capture video, for splicing, can be obtained stable video source after fixing multiple video cameras, pressAccording to video-splicing algorithm sliceable go out panoramic video. Video-splicing can be regarded continuous Image Mosaics process as, and image is spelledConnect and can pass through feature point extraction, characteristic matching, calculating perspective transformation matrix, calculating focal length and spin matrix, bundle adjustment, figureA series of process implementations such as picture is stretching, exposure compensating, image co-registration;
The video sequence that has each other lap is carried out to space coupling and aim at, after exposure is merged, form a width bagContaining the high-resolution consecutive image with great visual angle of each video sequence information. When occurring the order such as suspect vehicle, pedestrian in splicing pictureTimestamp, monitor staff can, by manual tracking target, be conducive to catch detailed information, realizes the chpn prison of entire and partControl.
Adopt the thought of layering monitoring, using spliced panoramic video as a monitor supervision platform, give people a kind of complete, look greatlyWild, high-resolution continuous pictures, more approaches the visual angle of eye-observation, while avoiding monitoring, between each picture, switches back and forth. SimultaneouslyManually choose area-of-interest or tracking by mouse, amplify splicing picture is local, realize the solid prison of whole and partControl.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail:
Embodiment mono-:
Fig. 3 shows the realization flow of a kind of monitoring system that the embodiment of the present invention one provides, and details are as follows:
In video camera installation process, the video camera level of same control point is put, video camera shooting picture overlapping regionAccount for 1/3 left and right of picture.
The geography information of control point is added in map, click the control point in map, can call the video letter at this placeBreath.
Adopt Image Mosaics technology, as shown in Figure 4, level splicing multi-channel video.
If spliced successfully, the scene graph after display splicing, if spliced unsuccessfully, adjusts the putting position of video camera, mirrorFocal length etc.
Mouse is selected a certain area-of-interest in splicing scene, by obtaining mouse message, shows that separately mouse chooses squareThe image information in shape region.
Embodiment bis-:
Fig. 5 shows the realization flow of a kind of monitoring system that the embodiment of the present invention two provides, and details are as follows:
In video camera installation process, the video camera of same control point is vertically put, video camera shooting picture overlapping regionAccount for 1/3 left and right of picture.
The geography information of control point is added in map, click the control point in map, can call the video letter at this placeBreath.
Adopt Image Mosaics technology, as shown in Figure 6, vertically splice multi-channel video.
If spliced successfully, the scene graph after display splicing, if spliced unsuccessfully, adjusts the putting position of video camera, mirrorFocal length etc.
Mouse is selected a certain area-of-interest in splicing scene, by obtaining mouse message, shows that separately mouse chooses squareThe image information in shape region.
Embodiment tri-:
Fig. 7 shows the realization flow of a kind of monitoring system that the embodiment of the present invention three provides, and details are as follows:
In video camera installation process, the video camera horizontal vertical of same control point is put, and video camera shooting picture is overlappingRegion accounts for 1/3 left and right of picture.
The geography information of control point is added in map, click the control point in map, can call the video letter at this placeBreath.
Adopt Image Mosaics technology, as shown in Figure 8, horizontal vertical splicing multi-channel video.
If spliced successfully, the scene graph after display splicing, if spliced unsuccessfully, adjusts the putting position of video camera, mirrorFocal length etc.
Mouse is selected a certain area-of-interest in splicing scene, by obtaining mouse message, shows that separately mouse chooses squareThe image information in shape region.
Embodiment tetra-:
Fig. 9 shows the realization flow of a kind of monitoring system that the embodiment of the present invention four provides, and details are as follows:
In video camera installation process, the video camera horizontal vertical of same control point is put, the weight of video camera shooting pictureFolded region accounts for 1/3 left and right of picture.
The geography information of control point is added in map, click the control point in map, can call the video letter at this placeBreath.
Adopt Image Mosaics technology, as shown in figure 10, level splicing multi-channel video.
If spliced successfully, the scene graph after display splicing, if spliced unsuccessfully, adjusts the putting position of video camera, mirrorFocal length etc.
Key in a mouse click, opens mouse hand motion tracking, by obtaining mouse coordinates information, opens one around mouseRectangular area, in mouse mobile tracking object procedure, shows separately the image information of rectangular area centered by mouse, realizes fortuneMoving-target across the virtual tracking of camera.
The connecting methods such as level splicing in layering monitoring and commanding system in the present invention,, vertical splicing, horizontal vertical splicingChange, splice way (3 tunnels, 4 tunnels, 5 tunnels ...) change wait be included in protection scope of the present invention within; Mouse is manually selected fortuneMoving-target is realized across the virtual tracking of camera, and which kind of mode (left button of clicking the mouse, middle key) is opened following function and is included in thisWithin the protection domain of invention; While showing local message, adjust window area size, shape etc. and be included in protection model of the present inventionWithin enclosing.
The present invention has avoided in video monitoring switching back and forth between multiple video pictures, finally present one complete, connectContinuous monitored picture responds by mouse simultaneously, and monitor staff is participated in video monitoring, show in real time area-of-interest andMotion target area, by mouse hand motion tracking target, realize target is across the virtual tracking of camera.
Claims (6)
1. a layering control and command method, is characterized in that, described layering control and command method adopts layering control and command systemSystem, described layering monitoring and commanding system is divided into four layers, is respectively map layer, physical layer, splicing scene layer and local Information Level; ThisFour layers adopt respectively map, video camera photographed scene, splicing scene and mouse manually to obtain local scene to form described layering prisonControl command system; By clicking certain control point A of electronic chart, show that multiple video cameras that A point is installed splice the scene of obtainingSplicing video, mouse is selected area-of-interest in scene together video, shows in real time area-of-interest, can realize whole and partLayering monitoring;
Described layering control and command method comprises following concrete steps:
Step 1, installs video camera in multiple control points;
Step 2, adds the geographical location information of control point in map to, while realizing mouse click map control point, can adjustWith the video resource at this place;
Step 3, according to the multi-channel video of video-splicing step splicing control point, if splice successfully, execution step 5, otherwise carry outStep 4;
Step 4, the putting position of adjustment video camera, making has enough overlapping regions between adjacent camera picture, performs step3；
Step 5, mouse is selected a certain area-of-interest in splicing scene, by obtaining mouse message, shows that separately mouse choosesThe image information of rectangular area;
Video-splicing is continuous Image Mosaics process, and Image Mosaics is by feature point extraction, characteristic matching, calculating perspectiveTransformation matrix, calculate that focal length and spin matrix, bundle adjustment, image are stretching, exposure compensating, a series of processes of image co-registration be realExisting.
2. target, across a virtual tracking for camera, is characterized in that, described target is across the virtual track side of cameraMethod adopts layering monitoring and commanding system, and described layering monitoring and commanding system is divided into four layers, is respectively map layer, physical layer, splicingScene layer and local Information Level; These four layers adopt respectively map, video camera photographed scene, splicing scene and mouse manually to obtain officePortion's scene forms described layering monitoring and commanding system; By clicking certain control point A of electronic chart, show that A point is installed multipleVideo camera splices the scene together video obtaining, and by mouse hand motion tracking moving target, extracts mouse coordinates peripheral region picturePrime information, shows moving target in real time, can realize target across the virtual tracking of camera;
Described target comprises following concrete steps across the virtual tracking of camera: step 1, in multiple control points, shooting is installedMachine;
Step 2, adds the geographical location information of control point in map to, while realizing mouse click map control point, can adjustWith the video resource at this place;
Step 3, according to the multi-channel video of video-splicing step splicing control point, if splice successfully, execution step 5, otherwise carry outStep 4;
Step 4, the putting position of adjustment video camera, making has enough overlapping regions between adjacent camera picture, performs step3；
Step 5, a mouse click key, obtains mouse coordinates information, by mouse hand motion tracking moving target, extracts mouse coordinates weekRegion Pixel Information, amplifies and shows, can realize the virtual tracking across camera;
Video-splicing is continuous Image Mosaics process, and Image Mosaics is by feature point extraction, characteristic matching, calculating perspectiveTransformation matrix, calculate that focal length and spin matrix, bundle adjustment, image are stretching, exposure compensating, a series of processes of image co-registration be realExisting.
3. according to the method described in claim 1-2 any one, it is characterized in that, in described step 1, same control point takes the photographCamera is that level is put, vertically put or horizontal vertical is put.
4. according to the method described in claim 1-2 any one, it is characterized in that, in described step 4, adjacent camera is takenPicture to have same scene, lap accounts for 1/3 left and right of picture.
5. method according to claim 1, is characterized in that, in described step 5, specifically comprises: mouse is manually selected splicingArea-of-interest in scene, obtains starting point and the terminal point coordinate of mouse, draws rectangular area, by rectangular area in spliced mapIn view data copy out, amplify show.
6. method according to claim 2, is characterized in that, described step 5 specifically comprises: a mouse click left button or inKey, opens mouse hand motion tracking, obtains the coordinate information of mouse, intercepts the rectangular area centered by mouse in spliced map,The large I in rectangular area, according to moving target and the adjustment of splicing scene, copies out by the view data in rectangular area, amplifiesShow.
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