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Video monitoring method and system

A technology for video monitoring and monitoring areas, applied in traffic control systems, closed-circuit television systems, TV system components, etc., can solve the problems of unreal colors, unclear target details and colors, inconvenient image processing, etc., to avoid light pollution Effect

Pending Publication Date: 2021-06-18
BEIJING ITARGE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the low illumination at night, the quality of the original image captured by the traditional video surveillance method at night is not good, for example, the color is unreal, and the color of the target details cannot be seen clearly, which is not convenient for subsequent image processing to obtain a clear color image; in addition, in some In the solution, supplementing light with high-power supplementary light equipment can solve some of the above problems, but there is light pollution in the light emitted by it

Method used

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  • Video monitoring method and system

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Embodiment 1

[0059] see figure 1 As shown, the video monitoring method provided by the embodiment of the present invention is mainly used in the field of intelligent transportation and security technology, and specifically can be used for video monitoring of illegal snapshots at traffic intersections, road checkpoints, special lanes, roadside parking, and gas stations; include:

[0060] Step 101. Acquire real-time ambient illuminance, and compare the ambient illuminance with a preset illuminance threshold.

[0061] In this embodiment, the environmental illuminance monitor can be used for monitoring specifically, and the comparison of the environmental illuminance can be completed by the environmental illuminance monitor or by the control module of the video monitoring system.

[0062] Step 102A, if the ambient illuminance is lower than the preset illuminance threshold, use the high frame rate exposure mode to shoot the monitoring area, and supplement the monitoring area with light of the ...

Embodiment 2

[0087] see image 3 As shown, the embodiment of the present invention is a video monitoring system, which is used to execute the video monitoring method described in any one of the first embodiments, including: an image sensor 21, a control module 22 and a supplementary light device 23;

[0088] The image sensor 21 and the supplementary light device 23 are respectively connected to the control module 22, and the supplementary light device is used to provide illumination;

[0089] When the ambient illuminance is lower than the preset illuminance threshold, the control module is used to send a first control signal to the image sensor, so that the image sensor uses a high frame rate exposure mode to shoot the monitoring area;

[0090] The control module also sends a second control signal to the supplementary light device according to the current frame number, so that the supplementary light device supplements the monitoring area with light of a corresponding band according to the...

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Abstract

The embodiment of the invention discloses a video monitoring method and system, relates to the technical field of intelligent traffic and security, and is convenient for subsequent image processing, so that clear color images can be obtained in a low-illumination environment, and light pollution is avoided. The method comprises the following steps: when ambient illumination is lower than a preset illumination threshold value, shooting a monitoring area by adopting a high-frame-rate exposure mode, and supplementing light of a corresponding wave band to the monitoring area according to a frame ordinal number. The method is suitable for traffic violation snapshot and video monitoring of places such as road checkpoints, special lanes, roadside parking and gas stations.

Description

technical field [0001] The invention relates to the technical field of intelligent transportation and security, in particular to a video monitoring method and system. Background technique [0002] In the fields of security, face recognition, military, and industry, it is often necessary to obtain images with higher brightness, more realistic colors, and higher definition in low-light environments, such as at night. Due to the low illumination at night, the quality of the original image captured by the traditional video surveillance method at night is not good, for example, the color is unreal, and the color of the target details cannot be seen clearly, which is not convenient for subsequent image processing to obtain a clear color image; in addition, in some In the solution, supplementing light with high-power supplementary light equipment can solve some of the above problems, but there is light pollution in the light emitted by it. Contents of the invention [0003] In v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N5/225H04N9/73G08G1/017G08G1/054
CPCH04N7/18G08G1/0175G08G1/054H04N23/56H04N23/88
Inventor 杨云飞
Owner BEIJING ITARGE TECH CO LTD
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