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Image stripe detection method, video monitoring system and related devices

A fringe and image technology, which is applied in the field of video surveillance systems and related devices, and image fringe detection methods, can solve the problems of reducing the quality of monitoring images, interpretability, and low efficiency

Pending Publication Date: 2020-10-23
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Streaks in surveillance video not only reduce the quality and interpretability of surveillance images, but also easily lead to unpredictable failures
[0003] At present, most video surveillance systems use manual troubleshooting, which is inefficient

Method used

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  • Image stripe detection method, video monitoring system and related devices
  • Image stripe detection method, video monitoring system and related devices
  • Image stripe detection method, video monitoring system and related devices

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Embodiment Construction

[0039]The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all the structures related to the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0040] Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearan...

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Abstract

The invention discloses an image stripe detection method, a video monitoring system and related devices, and the image stripe detection method comprises the steps: obtaining the gradient angle and gradient amplitude of each pixel point in a to-be-detected image frame, so as to build a gradient angle histogram and a gradient amplitude histogram; calculating gradient angle kurtosis based on the gradient angle histogram, and calculating gradient amplitude kurtosis based on the gradient amplitude histogram; and performing stripe detection on the to-be-detected image frame according to the gradientangle kurtosis and the gradient amplitude kurtosis. By means of the mode, the detection speed is increased while the investment of labor cost is reduced, and abnormality judgment of the monitoring terminal is accelerated, and the monitoring terminal can be maintained and adjusted in time.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular, to an image stripe detection method, a video monitoring system and related devices. Background technique [0002] With the promotion of the national safe city construction, the number of cameras in a medium-sized city surveillance system is as many as tens of thousands. The long-term continuous operation of the front-end image acquisition equipment is affected by various external factors. Stripes of different angles, thicknesses, and periods are caused by radio interference, system voltage imbalance, or abnormal transmission lines. The streak phenomenon in surveillance video not only reduces the quality and interpretability of surveillance images, but also easily leads to unpredictable failures. [0003] At present, most video surveillance systems use manual troubleshooting, which is inefficient. SUMMARY OF THE INVENTION [0004] In order to solve the abo...

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Application Information

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IPC IPC(8): G06T7/00H04N7/18
CPCG06T7/0002H04N7/18G06T2207/10004G06T2207/10024
Inventor 胡东毛礼建陈媛媛
Owner ZHEJIANG DAHUA TECH CO LTD