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5 March 2008 Algorithm of small moving target detection based on infrared and visual image fusion
Wuqin Tong, Hua Yang, Chao-chao Huang, Wei Jin, Li Yang
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Proceedings Volume 6623, International Symposium on Photoelectronic Detection and Imaging 2007: Image Processing; 662323 (2008) https://doi.org/10.1117/12.791550
Event: International Symposium on Photoelectronic Detection and Imaging: Technology and Applications 2007, 2007, Beijing, China
Abstract
Aimed at the imaging principle and characteristic of infrared and visual equipment and their application demands, an effective algorithm is proposed for small moving target detection based on fused infrared and visual image. The algorithm suppresses background clutter by morphologic Top-hat transform, and the results are enhanced by tree-structure wavelet transform with the use of improved fusion rule based on "absolute value" matching degree. Filter processing can enhance targets as well as suppress partial clutter and false targets effectively. Use difference operation among three consecutive frame images to accomplish target segmentation. Improve SNR by N frames energy accumulation. Combine continuity and regularity of small moving target to eliminate false targets, noise point and background remnant. All that helps detect the small targets. Finally, compare the pre-processing performance among traditional filter approaches and this proposed algorithm for image pre-processing. Thus, for this type of method, detection and tracking results prove the validity the proposed algorithm. At the same time, two parameters, RMSE (relative mean square error) and BSF (background suppression factor), are given to evaluate the filtering performance of this paper approach. Four indexes, Mutual Information (MI), Associated Entropy (AE), SNR, RMSE, are used to evaluate the fusion quality. Experimental results show that the multilevel and multifunctional algorithm proposed is better than other methods in image pre-processing, image fusion and small moving target detection.
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Wuqin Tong, Hua Yang, Chao-chao Huang, Wei Jin, and Li Yang "Algorithm of small moving target detection based on infrared and visual image fusion", Proc. SPIE 6623, International Symposium on Photoelectronic Detection and Imaging 2007: Image Processing, 662323 (5 March 2008); https://doi.org/10.1117/12.791550
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KEYWORDS
Image fusion
Target detection
Infrared imaging
Detection and tracking algorithms
Image filtering
Image segmentation
Infrared radiation
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