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Visible light image aerial moving target detecting method

A moving target and detection method technology, applied in the field of image processing, can solve problems such as high complexity, sensitivity to environmental noise, unsuitable moving target detection, etc., to achieve the effect of ensuring real-time and accuracy

Active Publication Date: 2018-01-09
成都空御科技有限公司
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AI Technical Summary

Problems solved by technology

[0004] At present, the main target detection algorithms include frame difference method, background difference method, optical flow method, TLD, etc. These methods have their own advantages and disadvantages. The disadvantage of the traditional frame difference method is that it is sensitive to environmental noise and is not suitable for the detection of moving targets. , the disadvantage of the background difference method is that it is particularly sensitive to changes in dynamic scenes, such as lighting and interference from external irrelevant events, and other algorithms are complex to use, and it is difficult to guarantee real-time performance

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Embodiment Construction

[0034] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] ROI: ROI (region of interest), the region of interest. In machine vision and image processing, the area to be processed is outlined in the form of a box, circle, ellipse, irregular polygon, etc. from the processed image, which is called the region of interest.

[0036] Connected area: A connected area (Connected Component) generally refers to an image area (Region, Blob) composed of foreground pixels with the same pixel value and adjacent positions in the image. It is the same area with similar pixel values.

[0037] Such as figure 1 As shown, the embodiment of the present invention provides a method for detecting a moving target in the air in a visible light image, including:

[0038] S01: Acquire the grayscale...

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Abstract

The invention relates to the technical field of image processing, and specifically discloses a visible light image aerial moving target detecting method. The method comprises the steps that the ROI grayscale image of the current frame is acquired by setting a ROI frame on the N-th frame of grayscale image; image preprocessing, image binarization, image binary inversion processing and image expansion are carried out on the ROI grayscale image of the current frame; and a screening method is used to screen connected areas to acquire a target image. The problems that a traditional target detectingmethod is not suitable for target detecting in a moving background and the target is lost due to the fact that the target passes through the moving background are solved, and moving target detectingin the moving background is real-time and accurate.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method for detecting a moving object in the air of a visible light image. Background technique [0002] With the development of science and technology, the progress of society, and the improvement of living standards, the security awareness of groups and individuals is constantly increasing, and video surveillance systems have been more and more widely used. At present, it has been widely used in security monitoring, automatic monitoring and remote monitoring of systems and fields such as banks, museums, traffic roads, commerce, military, public security, electric power, factories and mines, and intelligent communities. The function of the monitoring system has also developed from the original simple manual monitoring of video signals, system multi-screen display and hard disk video recording, to the use of computers to realize intelligent target detection and target t...

Claims

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Application Information

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IPC IPC(8): G06T7/246G06T7/90
Inventor 吴浩江莉陈虎
Owner 成都空御科技有限公司
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