Infrared moving target detection method based on adaptive neighborhood judgment technology

An adaptive neighborhood and moving target technology, applied in image data processing, instruments, biological neural network models, etc., can solve problems such as complex background, difficult to achieve, and weak targets

Inactive Publication Date: 2019-08-02
BEIJING INST OF COMP TECH & APPL
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Problems solved by technology

[0003] At present, the field of infrared moving target detection mainly faces two key problems: complex background and weak target
Some algorithms require strict preconditions; some algorithms must use a dedicated hardware structure; some algorithms have a huge amount of calculation and storage, which is difficult to implement in engineering practice

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  • Infrared moving target detection method based on adaptive neighborhood judgment technology
  • Infrared moving target detection method based on adaptive neighborhood judgment technology
  • Infrared moving target detection method based on adaptive neighborhood judgment technology

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Embodiment Construction

[0019] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] figure 1 Shown is the flow chart of the infrared moving target detection method based on the adaptive neighborhood judgment technology of the present invention, as figure 1 As shown, the infrared moving target detection method based on adaptive neighborhood decision technology includes:

[0021] The side suppression template is used to filter the image sequence to filter out the gently changing background and enhance the target area. Its processing formula is:

[0022]

[0023] In the formula: F(x, y) is the gray level distribution of the input image; G(x, y) is the gray level distribution of the output image filtered by the side suppression template; L(r, s) is the pixel point (r, s) The suppression coeff...

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Abstract

The invention relates to an infrared moving target detection method based on an adaptive neighborhood decision technology, which comprises the following steps: filtering an image sequence by using a side inhibition template, and filtering out a gently changed background and an enhanced target region; carrying out feature extraction on the image, taking the image subjected to feature extraction asan external input stimulus, obtaining a segmented binary image, and extracting a candidate target; performing connection component marking on each frame of image in the segmented binary image sequence, calculating the centroids of all connection components in each frame of image, and storing the centroids; respectively subtracting the maximum horizontal coordinate of the mass center of each frameof image from the maximum horizontal coordinate of the mass center of the previous frame of image to obtain a motion speed matrix of each frame of target; taking the median of the motion speed matrixnas the average motion speed of the weak targets in the image sequence, and calculating the mass center of the real target; and after the mass center of the real target is determined, finding a connected region where the mass center is located in the mark image, and extracting the target.

Description

technical field [0001] The invention relates to a detection method of an infrared image target, in particular to a detection method of an infrared moving target based on adaptive neighborhood judgment technology. Background technique [0002] Infrared technology is widely used, and there are various infrared systems according to different goals and application purposes. Infrared weak and small target detection technology is one of the core technologies of infrared detection system, which has aroused more and more research interests. [0003] At present, the field of infrared moving target detection mainly faces two key problems: complex background and weak target. The above problems make the accurate and robust detection of small and weak infrared targets a challenge. Although the traditional classical algorithms partially solve the problem of small infrared target detection in the strong clutter background, they all have certain defects to varying degrees, including: insu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/246G06T7/12G06T7/66G06T5/00G06N3/04
CPCG06T7/246G06T7/12G06T7/66G06T5/002G06T2207/10048G06N3/045
Inventor 杨林蒋文婷张力
Owner BEIJING INST OF COMP TECH & APPL
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