CN103442208A - Method for displaying video monitoring equipment vision parameters on monitoring system map - Google Patents
Method for displaying video monitoring equipment vision parameters on monitoring system map Download PDFInfo
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- CN103442208A CN103442208A CN2013103616186A CN201310361618A CN103442208A CN 103442208 A CN103442208 A CN 103442208A CN 2013103616186 A CN2013103616186 A CN 2013103616186A CN 201310361618 A CN201310361618 A CN 201310361618A CN 103442208 A CN103442208 A CN 103442208A
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Abstract
The invention discloses a method for displaying video monitoring equipment vision parameters on a monitoring system map. According to the method, a sector is drawn on an electronic map according to the information of the video monitoring equipment vision parameters, wherein the circle center of the sector is located at the position where video monitoring equipment is located, the radius of the sector is determined according to the range of visibility of the video monitoring equipment, the radian of the sector is determined according to the visual angle of the video monitoring equipment, and the included angle between the sector and a standard line is equal to the deflection angle of the video monitoring equipment. According to the method for displaying the video monitoring equipment vision parameters on the monitoring system map, the vision parameter information, such as the orientation, the range of visibility and the visual angle, of a monitoring camera in a video monitoring system can be drawn on the electronic map graphically, and then the real working state of the camera can be displayed more accurately and vividly.
Description
Technical field
The present invention relates to a kind of method of display video watch-dog vision parameter, relate in particular to a kind of on the supervisory control system map method of display video watch-dog vision parameter, belong to technical field of video monitoring.
Background technology
The scale of video monitoring system is increasing, and control point is more and more, and the staff has had no time to take into account one by one in the face of increasing monitoring image.Along with the continuous expansion of monitoring range, need to be to bed rearrangement bridge, airport, very Chang Yiduan highway or skyscraper carry out conduct monitoring at all levels, how these control points are carried out to effectively management and become a problem demanding prompt solution.
In existing video monitoring system, often with electronic chart, show the space characteristics of atural object, the mode by abstract and enrichment makes people obtain the succinct understanding of macrocosm.Yet in a lot of video monitoring system application, simple electronic chart is not enough to the information for decision-making that provides abundant, for example, in city management, need to be grasped position and the surrounding enviroment thereof of each Municipal Component, need to understand the variation of each Municipal Component within the some time, need to know the real-time condition in some positions, these are all the information that traditional electronic chart can't provide.On the other hand, the combination of existing camera and map just represents a camera icon simply on map.This mode has just represented the orientation of camera, and can not on map, the mode with figure represent more detailed camera vision parameter information, such as camera towards, sighting distance, visual angle etc.
In the Chinese invention patent application that is CN102685460A at publication number, a kind of integrated video monitoring cruise method that measures live-action image and electronic chart is provided, obtain the geographical coordinate for the treatment of video frequency pick-up head by electronic chart, obtain the measured live-action image of corresponding region, utilize the Image Matching technology, realization can measure the coupling of static object on the video image that live-action image and video monitoring camera obtain, realized the video monitoring camera is obtained the accurate location of the content of image, effectively solved in existing system and can measure live-action image, defect in electronic chart and the application of video monitoring data mapping, realized effectively integrating of information between the three, effective integration by the sound data, realized that video monitors in real time and cruise.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of on the supervisory control system map method of display video watch-dog vision parameter.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of on the supervisory control system map method of display video watch-dog vision parameter, according to the vision parameter information of video monitoring equipment, on electronic chart, draw fan-shaped, described fan-shaped in, take the position at described video monitoring equipment place is the fan-shaped center of circle, determine fan-shaped radius according to the sighting distance of described video monitoring equipment, determine fan-shaped radian according to the visual angle of described video monitoring equipment, using the deflection angle of described video monitoring equipment as fan-shaped and angle normal line.
Wherein more preferably, described normal line is the direct north in electronic chart.
Wherein more preferably, the described fan-shaped angle that is fan-shaped line of symmetry and described normal line with angle normal line.
Wherein more preferably, the translucent background color of described fan-shaped use is filled.
Utilize the present invention, can be by the vision parameter information of monitoring camera in video monitoring system, such as being plotted on electronic chart with graphics mode towards, sighting distance, visual angle etc., thereby represent the real work state of camera more accurate, vividerly.
The accompanying drawing explanation
The display interface schematic diagram that Fig. 1 is one embodiment of the present of invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The invention provides a kind of on the supervisory control system map method of display video watch-dog vision parameter, according to the vision parameter information of video monitoring equipment, on electronic chart, draw fan-shaped.Specifically: take the position (being latitude and longitude information) at video monitoring equipment place is the fan-shaped center of circle, determine fan-shaped radius according to the sighting distance of video monitoring equipment, determine fan-shaped radian according to the visual angle of video monitoring equipment, using the deflection angle of video monitoring equipment as fan-shaped and angle normal line.Below this is launched detailed specific description.
In the present invention, video monitoring system can obtain exactly as the camera of video monitoring equipment towards vision parameter information such as (being the camera deviation angle), sighting distance, visual angles.For can make camera towards can be on electronic chart accurately, represent clearly, preferably the direct north in electronic chart is made as to normal line in video monitoring system.When the camera on being arranged on The Cloud Terrace (also can be selected other directions) towards the positive north, video monitoring system thinks that the direction deviation angle of camera is 0 degree.(also can select counterclockwise) in a clockwise direction to indicate the direction that angle increases, angular range is from 0 degree to 360 degree.
As shown in Figure 1, when camera, when just western, the camera deviation angle that video monitoring system obtains is 270 degree, on map with fan-shaped line of symmetry D and the positive northern line of normal line E() angle mean.What fan-shaped radius C meaned is the sighting distance of camera, and what fan-shaped radian B meaned is the visual angle of camera.
In an embodiment shown in Fig. 1, the camera visual angle that video monitoring system obtains is that 20 degree, sighting distance are 20 kms, and the positive west of deviation angle is to being 270 degree.As shown in Figure 1, by above-mentioned vision parameter information, on map, by map scale, be depicted as fan-shaped.Radius C=20KM that this is fan-shaped, fan-shaped radian B=20 °, the included angle A of fan-shaped line of symmetry D and normal line E=270 °.Then, the translucent background color of fan-shaped use is filled to (being preferably purple or redness), so just can draw out as the violet region in Fig. 1, represent accurately, clearly camera towards vision parameter information such as, sighting distance, visual angles.
In sum, the present invention with the form of sector region represented monitoring camera towards vision parameter information such as, sighting distance, visual angles, can represent the real work state of camera more accurate, vividerly, effectively improved the ease for use of video monitoring system.
The above to provided by the present invention on the supervisory control system map method of display video watch-dog vision parameter have been described in detail.For the technical staff in general field, any apparent change of under the prerequisite that does not deviate from connotation of the present invention, it being done, all will form infringement of patent right of the present invention, will bear corresponding legal liabilities.
Claims (4)
1. the method for a display video watch-dog vision parameter on the supervisory control system map is characterized in that:
According to the vision parameter information of video monitoring equipment, on electronic chart, draw fan-shaped, described fan-shaped in, take the position at described video monitoring equipment place is the fan-shaped center of circle, determine fan-shaped radius according to the sighting distance of described video monitoring equipment, determine fan-shaped radian according to the visual angle of described video monitoring equipment, using the deflection angle of described video monitoring equipment as fan-shaped and angle normal line.
As claimed in claim 1 on the supervisory control system map method of display video watch-dog vision parameter, it is characterized in that:
Described normal line is the direct north in electronic chart.
As claimed in claim 1 or 2 on the supervisory control system map method of display video watch-dog vision parameter, it is characterized in that:
The described fan-shaped angle that is fan-shaped line of symmetry and described normal line with angle normal line.
As claimed in claim 1 on the supervisory control system map method of display video watch-dog vision parameter, it is characterized in that:
The translucent background color of described fan-shaped use is filled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103616186A CN103442208A (en) | 2013-08-19 | 2013-08-19 | Method for displaying video monitoring equipment vision parameters on monitoring system map |
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| CN2013103616186A CN103442208A (en) | 2013-08-19 | 2013-08-19 | Method for displaying video monitoring equipment vision parameters on monitoring system map |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243929A (en) * | 2014-09-26 | 2014-12-24 | 武汉烽火众智数字技术有限责任公司 | Display method for visual range of camera on electronic map |
| CN108965861A (en) * | 2018-06-12 | 2018-12-07 | 广州视源电子科技股份有限公司 | Method and device for positioning camera, storage medium and intelligent interaction equipment |
| CN110012270A (en) * | 2019-04-09 | 2019-07-12 | 视云融聚（广州）科技有限公司 | The display methods of target video camera visual orientation and range, apparatus and system |
| CN111131790A (en) * | 2019-12-31 | 2020-05-08 | 中国地质工程集团有限公司 | Mine restoration remote site construction monitoring system |
| CN111508124A (en) * | 2019-01-11 | 2020-08-07 | 百度在线网络技术（北京）有限公司 | Authority verification method and device |
| CN112422886A (en) * | 2019-08-22 | 2021-02-26 | 杭州海康威视数字技术股份有限公司 | Visual domain three-dimensional control display system |
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| CN102685460A (en) * | 2012-05-17 | 2012-09-19 | 武汉大学 | Video monitoring and cruising method for integrating measurable scene image and electronic map |
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| CN101009821A (en) * | 2007-01-31 | 2007-08-01 | 北京邮电大学 | Implementing method for the enhanced cost-effective video sensor network coverage |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243929A (en) * | 2014-09-26 | 2014-12-24 | 武汉烽火众智数字技术有限责任公司 | Display method for visual range of camera on electronic map |
| CN108965861A (en) * | 2018-06-12 | 2018-12-07 | 广州视源电子科技股份有限公司 | Method and device for positioning camera, storage medium and intelligent interaction equipment |
| CN111508124A (en) * | 2019-01-11 | 2020-08-07 | 百度在线网络技术（北京）有限公司 | Authority verification method and device |
| CN110012270A (en) * | 2019-04-09 | 2019-07-12 | 视云融聚（广州）科技有限公司 | The display methods of target video camera visual orientation and range, apparatus and system |
| CN112422886A (en) * | 2019-08-22 | 2021-02-26 | 杭州海康威视数字技术股份有限公司 | Visual domain three-dimensional control display system |
| CN111131790A (en) * | 2019-12-31 | 2020-05-08 | 中国地质工程集团有限公司 | Mine restoration remote site construction monitoring system |
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Application publication date: 20131211 |