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A method for adjusting target brightness in the process of video visibility detection

A technology for detection process and target brightness, which is applied in image enhancement, image analysis, instruments, etc., can solve problems such as unreasonable adjustment of target brightness, achieve the effect of improving robustness and practicability, and reducing the risk of false positives

Active Publication Date: 2020-09-04
ANHUI CHAOYUAN INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a method for adjusting target brightness in the process of video visibility detection, aiming to solve the problem of unreasonable adjustment of target brightness in the process of video-based visibility detection

Method used

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  • A method for adjusting target brightness in the process of video visibility detection
  • A method for adjusting target brightness in the process of video visibility detection
  • A method for adjusting target brightness in the process of video visibility detection

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Embodiment 2

[0099] The present invention also provides a video visibility detection method, which includes the step of adjusting the brightness of the target area by any one of the above methods.

Embodiment 3

[0101] The present invention also provides a storage medium on which a computer program is stored, and when the computer program is executed by a processor, the method described in any one of the above items can be realized.

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Abstract

The invention discloses a target brightness adjustment method in the video visibility detection process, and relates to the technical field of atmospheric environment visibility detection. The steps of the method mainly include selecting a target area brightness adjustment reference index, and after inputting the detected video image data stream, through the reference The indicator determines whether to adjust the brightness of the target area. If so, adjust the brightness of the target area. By obtaining the YUV data of each frame of the video image, and calculating its corresponding brightness information Vroi_ref as a reference indicator, and judging whether the brightness information Vroi_ref is in the preset The level of brightness between reasonable areas, where the reasonable brightness interval is [VThr_min, VThr_max], according to the range of the reference index, determine the adjustment direction, perform cyclic iterative adjustments, and perform visibility detection after the adjustment is completed; the present invention ensures video visibility from imaging data The statistics of target characteristics during the detection process are more accurate, reasonable and effective, and the risk of false positives in visibility data is also greatly reduced.

Description

technical field [0001] The invention relates to the field of atmospheric environment visibility detection, in particular to a method for adjusting target brightness in the video visibility detection process. Background technique [0002] Due to the importance of visibility monitoring, all countries in the world have attached great importance to visibility monitoring, especially in some areas that are prone to traffic accidents, such as highways and aviation. The existing main visibility measurement methods are divided into artificial visual method, instrument measurement method, and digital camera method. [0003] (1) The artificial visual inspection method mainly uses the human eye to judge the target object visible at the farthest distance to determine the current visibility. The manual visual inspection is carried out by an observer, and the observation process is too subjective and greatly affected by various factors. [0004] (2) The instrumental measurement method ove...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
CPCG06T2207/20024G06T2207/10024G06T2207/10016G06T5/94G06T5/70
Inventor 崔莹宝王庚中戴庞达邱换春赵银
Owner ANHUI CHAOYUAN INFORMATION TECH