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Infrared and visible light video fusion method based on moving target detection

A technology of moving targets and fusion methods, which is applied in the directions of instruments, calculations, character and pattern recognition, etc., can solve the problems of poor quality of video fusion, achieve the effect of improving robustness, calculation effect, and wide applicability

Active Publication Date: 2018-02-02
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0005] Aiming at the problem of poor video fusion quality in the background technology, the present invention proposes a fusion method of infrared and visible light video based on moving target detection

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  • Infrared and visible light video fusion method based on moving target detection
  • Infrared and visible light video fusion method based on moving target detection
  • Infrared and visible light video fusion method based on moving target detection

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Embodiment Construction

[0057] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0058] A fusion method of infrared and visible light video based on moving target detection, specifically comprising the following steps:

[0059] Step 1: Shoot for the same scene to get infrared video{I 1} and visible light video {I 2}, each frame of source image in the video has been registered, and the number of frames of infrared video and visible light video is selected as 32 consecutive frames, that is, M=32, and the size of each frame image is 270×360; The video is shot for the same scene, the target is at the same position in the video and the target is more prominent in the infrared video, so only the infrared video {I 1}The low-rank sparse method is used for moving target detection, and the detection result also represents the corresponding target in the visible light video; specifically:

[0060] 1.1 Assume that t...

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Abstract

An infrared and visible light video fusion method based on moving target detection belongs to the technical field of video fusion. A moving target is detected through low-rank sparse representation, the target is extracted using the low-rank and sparse time slices along X-T and Y-T planes, the integrity of the target detected is ensured by spatial information, and the robustness and accuracy of detection are improved. Then, the structure information of an image can be better described through non-subsample shearlet transform with a good fusion effect. The method has the advantages of high computational efficiency, unlimited filtering direction, translational invariance, and the like, and improves the fusion effect. In addition, the low-frequency sub-band coefficients are fused according toa sparse representation rule, the high-frequency sub-band coefficients are fused according to a weighting rule taking a target saliency map as a weighting factor, and a better fusion effect is achieved. Therefore, the infrared and visible light video fusion method based on moving target detection presented by the invention is more robust, and has a better fusion effect.

Description

technical field [0001] The invention belongs to the technical field of video fusion, and relates to the fusion of infrared and visible light video, in particular to a fusion method of infrared and visible light video based on moving target detection. Background technique [0002] The contrast of visible light images is relatively high, and the target contains certain detailed information, but it is difficult to observe under the dark background. Infrared images do not rely on external light and use the difference in thermal radiation of each part of the object in the scene to obtain the details of the object image. It has the disadvantages of low signal-to-noise ratio, no color information, lack of layering, and low contrast between the target image and the background. Blurred edges. The fusion of visible light images and infrared images can synthesize the better target indication characteristics of infrared images and the clear scene information of visible light images. I...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
CPCG06V20/42G06V20/46G06V10/462G06F18/2136G06F18/25
Inventor 张萍田明王晓玮夏清费春王璟璟吴江刘婧雯闫鹏宇
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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