CN105208327A - Master/slave camera intelligent monitoring method and device - Google Patents
Master/slave camera intelligent monitoring method and device Download PDFInfo
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- CN105208327A CN105208327A CN201510549569.8A CN201510549569A CN105208327A CN 105208327 A CN105208327 A CN 105208327A CN 201510549569 A CN201510549569 A CN 201510549569A CN 105208327 A CN105208327 A CN 105208327A
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Abstract
The invention discloses a master/slave camera intelligent monitoring method. The method comprises the following steps: controlling a master camera to collect panoramic video images; selecting a suspicious object area from the panoramic video images; determining the position coordinates of the suspicious object area; and controlling a slave camera to be rotated to the suspicious object area according to the position coordinates of the suspicious object area. The invention also discloses a master/slave camera intelligent monitoring device. The master/slave camera intelligent monitoring method and device can carry out emphasis monitoring on the suspicious object area while carrying out panorama monitoring, thereby solving the problem that it is difficult to recognize the image of the suspicious object area while carrying out panorama monitoring.
Description
Technical field
The present invention relates to technical field of video monitoring, particularly a kind of master-slave mode video camera intelligent control method and device.
Background technology
Video monitoring as the important component part in safety precaution monitoring field, and is widely used in various place.Absorbed field condition by the video camera in video monitoring, monitor staff from monitoring site display device, can need not go on patrol and just can learn situation on-the-spot within the scope of camera angles on the spot.Current video monitoring is generally monitored by video camera left-right rotation, although large-scale monitoring can be provided to a certain extent, but the detail section of the image that video camera absorbs is more difficult to be distinguished, if monitor staff wants some detailed information understanding target area suspicious in monitoring range, then the image of this region, target area suspicious can only be amplified, but this enlarged image is general comparatively fuzzy, makes monitor staff to distinguish, and cannot reach the needs of actual monitored.
Summary of the invention
Main purpose of the present invention is to provide a kind of master-slave mode video camera intelligent control method and device, and image when being intended to solve large-range monitoring in target area suspicious is difficult to the problem distinguished.
For achieving the above object, a kind of master-slave mode video camera intelligent control method provided by the invention, comprises the following steps:
Control main camera and gather full-view video image;
Target area suspicious is chosen from described full-view video image;
Determine the position coordinates of described target area suspicious;
According to the position coordinates of described target area suspicious, control to turn to described target area suspicious from video camera.
Preferably, the step of described control main camera collection full-view video image comprises:
Control described main camera and gather described full-view video image;
Control described main camera and distortions correction is carried out to described full-view video image;
Control described main camera and packing process is carried out to revised described full-view video image;
Receive the described full-view video image after process.
Preferably, describedly determine that the step of the position coordinates of described target area suspicious comprises:
Obtain the pixel coordinate of described full-view video image;
The pixel coordinate of described target area suspicious is determined according to described pixel coordinate;
Convert described pixel coordinate to position coordinates.
Preferably, the described position coordinates according to described target area suspicious, controls also to comprise after video camera turns to the step of described target area suspicious:
Adjustment is described from the field of view center of video camera and the center superposition of described target area suspicious;
From the size of the video image of video camera described in convergent-divergent.
Preferably, the described step choosing target area suspicious from described full-view video image comprises: click one or more in described full-view video image as described target area suspicious by mouse.
In addition, for achieving the above object, the present invention also provides a kind of master-slave mode video camera intelligent monitoring and controlling device, comprises controller and the main camera be connected with described controller respectively and from video camera; Described controller comprises:
First control module, gathers full-view video image for controlling described main camera;
Demarcating module, for choosing target area suspicious from described full-view video image;
Computing module, for determining the position coordinates of described target area suspicious;
Second control module, for the position coordinates according to described target area suspicious, turns to described target area suspicious from video camera described in controlling.
Preferably, described main camera comprises:
Image capture module, for receiving the control of described controller to gather described full-view video image;
Panorama correcting module, for receiving the control of described controller to carry out distortions correction to described full-view video image;
Panoramic processors, for receiving the control of described controller to carry out packing process to revised described full-view video image;
Sending module, for being sent to described controller by the described full-view video image after process.
Preferably, described computing module comprises:
Acquisition module, for obtaining the pixel coordinate of described full-view video image;
Calculating sub module, for calculating the pixel coordinate of described target area suspicious according to described pixel coordinate;
Modular converter, for converting described pixel coordinate to position coordinates.
Preferably, described controller also comprises:
Adjusting module, described from the field of view center of video camera and the center superposition of described target area suspicious for adjusting;
Zoom module, for described in convergent-divergent from the size of the video image of video camera.
Preferably, described demarcating module is click one or more in described full-view video image as described target area suspicious by mouse.
Compared with prior art, main camera combines with from video camera by the present invention, while main camera carries out overall view monitoring, target area suspicious chosen by controller, the turned position from video camera is drawn by the position coordinates calculating target area suspicious, and control to carry out key monitoring from video camera to this target area suspicious, make target area suspicious can from clear display in the visual field of video camera, the monitor mode that this entire and part combines can reach best monitoring effect.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of master-slave mode video camera intelligent control method one embodiment of the present invention;
Fig. 2 is the refinement schematic flow sheet of step S10 in Fig. 1;
Fig. 3 is the refinement schematic flow sheet of step S30 in Fig. 1;
Fig. 4 is the schematic flow sheet of another embodiment of master-slave mode video camera intelligent control method of the present invention;
Fig. 5 is the high-level schematic functional block diagram of master-slave mode video camera intelligent monitoring and controlling device one embodiment of the present invention;
Fig. 6 is the refinement high-level schematic functional block diagram of main camera in Fig. 5;
Fig. 7 is the refinement high-level schematic functional block diagram of computing module in Fig. 5.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 10 | First control module | 60 | Zoom module |
| 20 | Demarcating module | 70 | Main camera |
| 30 | Computing module | 71 | Image capture module |
| 31 | Acquisition module | 72 | Panorama correcting module |
| 32 | Calculating sub module | 73 | Panoramic processors |
| 33 | Modular converter | 74 | Sending module |
| 40 | Second control module | 80 | From video camera |
| 50 | Adjusting module |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of master-slave mode video camera intelligent control method.
With reference to the schematic flow sheet that Fig. 1, Fig. 1 are master-slave mode video camera intelligent control method one embodiment of the present invention.
In one embodiment, this master-slave mode video camera intelligent control method comprises:
Step S10, controls main camera and gathers full-view video image;
In the present embodiment, adopt controller, as described in computer control, main camera gathers full-view video image.Described main camera is flake panoramic camera, this flake panoramic camera adopts the fish eye lens with 185 degree of angles of visual field, the full-view video image within the scope of 180 degree, camera lens front can be collected, described main camera in a fixed position shooting, also can carry out rotation shooting under the control of described controller.
Step S20, chooses target area suspicious from described full-view video image;
In the present embodiment, described target area suspicious is a place in described full-view video image or many places.
Step S30, determines the position coordinates of described target area suspicious;
Step S40, according to the position coordinates of described target area suspicious, controls to turn to described target area suspicious from video camera.
In the present embodiment, described is high-speed ball camera from video camera, and quantity is at least one, for carrying out emphasis supervision to the target area suspicious in described full-view video image.Particularly, described main camera and describedly can be arranged on the holder as The Cloud Terrace respectively from video camera, described main camera is arranged on the described top from video camera, rotates described in described The Cloud Terrace drives in order to the control signal receiving described controller from video camera.
Compared with prior art, main camera combines with from video camera by the embodiment of the present invention, while main camera carries out overall view monitoring, target area suspicious chosen by controller, by determining that the position coordinates of target area suspicious draws the turned position from video camera, and control to carry out key monitoring from video camera to this target area suspicious, make target area suspicious can from clear display in the visual field of video camera, the monitor mode that this entire and part combines can reach best monitoring effect.
With reference to the refinement schematic flow sheet that Fig. 2, Fig. 2 are step S10 in Fig. 1.
Preferably, above-mentioned steps S10 comprises:
Step S11, controls described main camera and gathers described full-view video image;
Step S12, controls described main camera and carries out distortions correction to described full-view video image;
Step S13, controls described main camera and carries out packing process to revised described full-view video image;
Step S14, receives the described full-view video image after process.
Because the edge of described full-view video image exists larger distortion, described controller is when obtaining the pixel coordinate of described full-view video image, easily there is relatively large deviation in the pixel coordinate of the edge of described full-view video image, and has influence on the described rotation result from video camera.Therefore, in the present embodiment, by carrying out distortions correction to described full-view video image, then second order bilinear interpolation is carried out to described full-view video image, the error that the distortion that can reduce described full-view video image edge brings, improves the described positional precision from video camera.Finally carry out packing process and be sent to described controller.
With reference to the refinement schematic flow sheet that Fig. 3, Fig. 3 are step S30 in Fig. 1.
Preferably, above-mentioned steps S30 comprises:
Step S31, obtains the pixel coordinate of described full-view video image;
Step S32, determines the pixel coordinate of described target area suspicious according to described pixel coordinate;
Step S33, converts described pixel coordinate to position coordinates.
In the present embodiment, after described main camera collects full-view video image, described controller gets the pixel coordinate of the full-view video image centered by the field of view center of described main camera, and target area suspicious is the part in full-view video image, therefore after choosing target area suspicious, the main pixel coordinate of the visual field based on described main camera can be drawn, but because the field of view center of the relatively described main camera of the described field of view center from video camera constantly changes, therefore need to determine described target area suspicious described from the visual field of video camera from pixel coordinate, and convert this to position coordinates based on described main camera and the described coordinate system set up from the spatial relation of video camera from pixel coordinate.
With reference to the schematic flow sheet that Fig. 4, Fig. 4 are another embodiment of master-slave mode video camera intelligent control method of the present invention.
Preferably, also comprise after above-mentioned steps S40:
Step S50, adjustment is described from the field of view center of video camera and the center superposition of described target area suspicious;
Step S60, from the size of the video image of video camera described in convergent-divergent.
In the present embodiment, when described turn to described target area suspicious from video camera after, described controller detects the described turned position from video camera and adjusts, described from the field of view center of video camera and the center superposition of described target area suspicious to make, thus reaches best supervision effect.In addition, also the described size from the video image of video camera is zoomed in or out, to change the scope of key monitoring by mouse roller.In the present embodiment, describedly to rotate under the control of described controller from video camera, have and rotate effect fast and accurately.
Preferably, described target area suspicious of choosing from described full-view video image comprises and clicks one or more in described full-view video image as described target area suspicious by mouse.
In the present embodiment, click target area suspicious and choose by mouse, described controller sends rotation command to described from video camera according to choosing result.The mode clicked by mouse carries out choosing target area suspicious, has effect that is simple to operate, intuitive display.In other embodiments, the mode also by following the trail of a suspect or suspect vehicle carries out choice of dynamical, describedly constantly rotates from the motion of video camera according to a suspect or suspect vehicle.
The present invention further provides a kind of master-slave mode video camera intelligent monitoring and controlling device.
With reference to the high-level schematic functional block diagram that Fig. 5, Fig. 5 are master-slave mode video camera intelligent monitoring and controlling device one embodiment of the present invention.
In one embodiment, this master-slave mode video camera intelligent monitoring and controlling device comprises controller and the main camera 70 be connected with described controller respectively and from video camera 80; Described controller comprises:
First control module 10, gathers full-view video image for controlling described main camera 70;
In the present embodiment, adopt controller, as described in computer control, main camera 70 gathers full-view video image.Described main camera 70 is flake panoramic camera, this flake panoramic camera adopts the fish eye lens with 185 degree of angles of visual field, the full-view video image within the scope of 180 degree, camera lens front can be collected, described main camera 70 in a fixed position shooting, also can carry out rotation shooting under the control of described controller.
Demarcating module 20, for choosing target area suspicious from described full-view video image;
In the present embodiment, described target area suspicious is a place in described full-view video image or many places.
Computing module 30, for determining the position coordinates of described target area suspicious;
Second control module 40, for the position coordinates according to described target area suspicious, turns to described target area suspicious from video camera 80 described in controlling.
In the present embodiment, described is high-speed ball camera from video camera 80, and quantity is at least one, for carrying out emphasis supervision to the target area suspicious in described full-view video image.Particularly, described main camera 70 can be arranged on the holder as The Cloud Terrace with described from video camera 80 respectively, described main camera 70 is arranged on the described top from video camera 80, rotates described in described The Cloud Terrace drives in order to the control signal receiving described controller from video camera 80.
Compared with prior art, main camera 70 combines with from video camera 80 by the embodiment of the present invention, while main camera 70 carries out overall view monitoring, target area suspicious chosen by controller, by determining that the position coordinates of target area suspicious draws the turned position from video camera 80, and control to carry out key monitoring from video camera 80 to this target area suspicious, make target area suspicious can clear display in the visual field from video camera 80, the monitor mode that this entire and part combines can reach best monitoring effect.
With reference to the refinement high-level schematic functional block diagram that Fig. 6, Fig. 6 are main camera 70 in Fig. 5.
Preferably, described main camera 70 comprises:
Image capture module 71, for receiving the control of described controller to gather described full-view video image;
Panorama correcting module 72, for receiving the control of described controller to carry out distortions correction to described full-view video image;
Panoramic processors 73, for receiving the control of described controller to carry out packing process to revised described full-view video image;
Sending module 74, for being sent to described controller by the described full-view video image after process.
Because the edge of described full-view video image exists larger distortion, described controller is when obtaining the pixel coordinate of described full-view video image, easily there is relatively large deviation in the pixel coordinate of the edge of described full-view video image, and has influence on the described rotation result from video camera 80.Therefore, in the present embodiment, by carrying out distortions correction to described full-view video image, then second order bilinear interpolation is carried out to described full-view video image, the error that the distortion that can reduce described full-view video image edge brings, improves the described positional precision from video camera 80.The described full-view video image eventually passed after packing process is sent to described controller.
With reference to the refinement high-level schematic functional block diagram that Fig. 7, Fig. 7 are computing module 30 in Fig. 5.
Preferably, described computing module 30 comprises:
Acquisition module 31, for obtaining the pixel coordinate of described full-view video image;
Calculating sub module 32, for calculating the pixel coordinate of described target area suspicious according to described pixel coordinate;
Modular converter 33, for converting described pixel coordinate to position coordinates.
In the present embodiment, after described main camera 70 collects full-view video image, described controller gets the pixel coordinate of the full-view video image centered by the field of view center of described main camera 70, and target area suspicious is the part in full-view video image, therefore after choosing target area suspicious, the main pixel coordinate of the visual field based on described main camera 70 can be drawn, but because the field of view center of the relatively described main camera 70 of the described field of view center from video camera 80 constantly changes, therefore need to determine described target area suspicious described from the visual field of video camera 80 from pixel coordinate, and convert this to position coordinates based on described main camera 70 and the described coordinate system set up from the spatial relation of video camera 80 from pixel coordinate.
Please referring again to Fig. 5.
Preferably, described controller also comprises:
Adjusting module 50, described from the field of view center of video camera 80 and the center superposition of described target area suspicious for adjusting;
Zoom module 60, for described in convergent-divergent from the size of the video image of video camera 80.
In the present embodiment, when described turn to the position coordinates of described target area suspicious from video camera 80 after, described controller detects the described turned position from video camera 80 and adjusts, described from the field of view center of video camera 80 and the center superposition of described target area suspicious to make, thus reach best supervision effect.In addition, also the described size from the video image of video camera 80 is zoomed in or out, to change the scope of key monitoring by mouse roller.In the present embodiment, describedly to rotate under the control of described controller from video camera, have and rotate effect fast and accurately.
Preferably, described demarcating module 20 is for clicking one or more in described full-view video image as described target area suspicious by mouse.
In the present embodiment, click target area suspicious and choose by mouse, described controller sends rotation command to described from video camera 80 according to choosing result.The mode clicked by mouse carries out choosing target area suspicious, has effect that is simple to operate, intuitive display.In other embodiments, the mode also by following the trail of a suspect or suspect vehicle carries out choice of dynamical, describedly constantly rotates from the motion of video camera 80 according to a suspect or suspect vehicle.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a master-slave mode video camera intelligent control method, is characterized in that, comprises the following steps:
Control main camera and gather full-view video image;
Target area suspicious is chosen from described full-view video image;
Determine the position coordinates of described target area suspicious;
According to the position coordinates of described target area suspicious, control to turn to described target area suspicious from video camera.
2. master-slave mode video camera intelligent control method as claimed in claim 1, is characterized in that, the step that described control main camera gathers full-view video image comprises:
Control described main camera and gather described full-view video image;
Control described main camera and distortions correction is carried out to described full-view video image;
Control described main camera and packing process is carried out to revised described full-view video image;
Receive the described full-view video image after process.
3. master-slave mode video camera intelligent control method as claimed in claim 1, is characterized in that, describedly determines that the step of the position coordinates of described target area suspicious comprises:
Obtain the pixel coordinate of described full-view video image;
The pixel coordinate of described target area suspicious is determined according to described pixel coordinate;
Convert described pixel coordinate to position coordinates.
4. master-slave mode video camera intelligent control method as claimed in claim 1, is characterized in that, the described position coordinates according to described target area suspicious, controls also to comprise after video camera turns to the step of described target area suspicious:
Adjustment is described from the field of view center of video camera and the center superposition of described target area suspicious;
From the size of the video image of video camera described in convergent-divergent.
5. master-slave mode video camera intelligent control method as claimed in claim 1, it is characterized in that, the described step choosing target area suspicious from described full-view video image comprises: click one or more in described full-view video image as described target area suspicious by mouse.
6. a master-slave mode video camera intelligent monitoring and controlling device, is characterized in that, comprises controller and the main camera be connected with described controller respectively and from video camera; Described controller comprises:
First control module, gathers full-view video image for controlling described main camera;
Demarcating module, for choosing target area suspicious from described full-view video image;
Computing module, for determining the position coordinates of described target area suspicious;
Second control module, for the position coordinates according to described target area suspicious, turns to described target area suspicious from video camera described in controlling.
7. master-slave mode video camera intelligent monitoring and controlling device as claimed in claim 6, it is characterized in that, described main camera comprises:
Image capture module, for receiving the control of described controller to gather described full-view video image;
Panorama correcting module, for receiving the control of described controller to carry out distortions correction to described full-view video image;
Panoramic processors, for receiving the control of described controller to carry out packing process to revised described full-view video image;
Sending module, for being sent to described controller by the described full-view video image after process.
8. master-slave mode video camera intelligent monitoring and controlling device as claimed in claim 6, it is characterized in that, described computing module comprises:
Acquisition module, for obtaining the pixel coordinate of described full-view video image;
Calculating sub module, for calculating the pixel coordinate of described target area suspicious according to described pixel coordinate;
Modular converter, for converting described pixel coordinate to position coordinates.
9. master-slave mode video camera intelligent monitoring and controlling device as claimed in claim 6, it is characterized in that, described controller also comprises:
Adjusting module, described from the field of view center of video camera and the center superposition of described target area suspicious for adjusting;
Zoom module, for described in convergent-divergent from the size of the video image of video camera.
10. master-slave mode video camera intelligent monitoring and controlling device as claimed in claim 6, is characterized in that, described demarcating module is click one or more in described full-view video image as described target area suspicious by mouse.
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| CN108449545B (en) * | 2018-03-29 | 2020-10-30 | 北京环境特性研究所 | Monitoring system and application method thereof |
| CN108449545A (en) * | 2018-03-29 | 2018-08-24 | 北京环境特性研究所 | A kind of monitoring system and its application process |
| CN108377368A (en) * | 2018-05-08 | 2018-08-07 | 扬州大学 | A kind of one master and multiple slaves formula intelligent video monitoring apparatus and its control method |
| CN109785562A (en) * | 2018-12-29 | 2019-05-21 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | A kind of vertical photoelectricity ground based threats warning system and suspicious object recognition methods |
| CN109785562B (en) * | 2018-12-29 | 2023-08-15 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | Vertical photoelectric ground threat alert system and suspicious target identification method |
| CN113393529A (en) * | 2020-03-12 | 2021-09-14 | 浙江宇视科技有限公司 | Camera calibration method, device, equipment and medium |
| CN113393529B (en) * | 2020-03-12 | 2024-05-10 | 浙江宇视科技有限公司 | Method, device, equipment and medium for calibrating camera |
| CN117438056A (en) * | 2023-12-20 | 2024-01-23 | 达州市中心医院(达州市人民医院) | Editing, screening and storage control method and system for digestive endoscopy image data |
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