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Method, device and equipment for monitoring target

A technology for monitoring targets and targets, which is applied in the field of image processing, and can solve problems such as inability to monitor targets, inability to recognize targets, and abnormal camera exposure.

Active Publication Date: 2021-02-09
HANGZHOU HIKVISION DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When the global exposure method is used, when the monitoring environment, for example, has a forward or reverse light and the brightness is too strong or too weak, the camera may experience abnormal exposure, which leads to the inability to recognize the target and monitor the target smoothly.

Method used

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  • Method, device and equipment for monitoring target
  • Method, device and equipment for monitoring target
  • Method, device and equipment for monitoring target

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0094] This embodiment provides a method for monitoring targets, such as figure 1 As shown, S101, S102, S103, S104 and S105 are included.

[0095] S101: Detect a target in a video frame.

[0096] S102: Determine whether the detected target can be successfully identified in the video frame to obtain specific information.

[0097] S103: When the detected target cannot be successfully identified in the video frame, adjust the exposure time and / or gain value of the pseudo-capture frame to obtain the pseudo-capture frame until the detected target is successfully identified in the pseudo-capture frame.

[0098] S104: Set the expected brightness value of the video frame to the brightness value of the pseudo-capture frame in which the detected target is successfully identified, and adjust the exposure time and / or gain value of the video frame according to the expected brightness value.

[0099] S105: Identify the detected target in the video frame, and monitor the successfully ident...

Embodiment 2

[0102] This embodiment provides a method for monitoring targets, such as figure 2 As shown, steps S201, S202, S203, S204 and S205 are included.

[0103] Step S201: Detect a target in a video frame.

[0104]A video frame refers to a video frame captured by a camera from a lens. In this application, the video frame mentioned refers to the currently acquired video frame when it involves target detection, target recognition and parameter acquisition on the video frame; and when it involves adjusting the parameters of the video frame, it refers to the is the video frame that will be captured later; sometimes a video frame is used as a qualifier rather than referring to an actual video frame. Meanwhile, in the context, the mentioned video frames may be the same video frame or different video frames according to needs, and those skilled in the art can determine or select the reference object of the video frame according to the scene.

[0105] The camera (or other equipment that c...

Embodiment 3

[0158] Corresponding to Embodiment 1, this embodiment provides a device for monitoring targets, such as Figure 7 As shown, it includes a detection module 301 , a judgment module 302 , a fake snapshot module 303 , a setting module 304 and a monitoring module 305 .

[0159] The detection module 301 is configured to detect a target in a video frame.

[0160] A judging module 302, configured to judge whether the detected target can be successfully identified in the video frame to obtain specific information.

[0161] The pseudo-capture module 303 is configured to adjust the exposure time and / or gain value of the pseudo-capture frame to obtain the pseudo-capture frame when the detected target cannot be successfully identified in the video frame until the detection is successfully identified in the pseudo-capture frame to the target.

[0162] The setting module 304 sets the expected brightness value of the video frame to the brightness value of the pseudo-capture frame in which t...

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Abstract

The present invention provides a method, device and equipment for monitoring a target. The method includes: detecting a target in a video frame; judging whether the detected target can be successfully identified in the video frame to obtain specific information; When the detected target cannot be successfully identified, adjust the exposure time and / or gain value of the pseudo-capture frame to obtain the pseudo-capture frame until the detected target is successfully identified in the pseudo-capture frame; The expected brightness value is the brightness value of the pseudo-capture frame in which the detected target is successfully identified, and the exposure time and / or gain value of the video frame are adjusted according to the expected brightness value; the detected target is identified in the video frame Target, to monitor the successfully identified target. The object monitoring method, device and equipment provided by the invention can improve the ability of object recognition in the monitoring environment.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method, device and equipment for monitoring a target. Background technique [0002] With the development of science and technology, the camera has become an indispensable tool. The camera can be used for a series of security activities such as security inspection, real-time control, investigation and evidence collection, which provides us with a lot of convenience. For example, the camera on the road monitors the vehicles on the road, and when a vehicle violates the regulations is detected, the license plate of the target vehicle is captured. The prerequisite for the camera to monitor the target is to successfully identify the target. [0003] In the intelligent surveillance environment, the camera needs to perform automatic exposure according to the current environment. At present, the camera has two exposure methods, one is global exposure, and the other is exposure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18H04N5/235G08G1/017
CPCH04N7/181G08G1/017H04N23/73
Inventor 王祖力
Owner HANGZHOU HIKVISION DIGITAL TECH
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