Target change detection based on Edgeworth statistical distribution features for LF UWB SAR

Hongtu Xie; Jian Zhang; Jiaxing Chen; Peng Zou; Guoqian Wang

doi:10.1117/12.2653517

18 November 2022 Target change detection based on Edgeworth statistical distribution features for LF UWB SAR

Hongtu Xie, Jian Zhang, Jiaxing Chen, Peng Zou, Guoqian Wang

Proceedings Volume 12473, Second International Conference on Optics and Communication Technology (ICOCT 2022); 124730V (2022) https://doi.org/10.1117/12.2653517
Event: Second International Conference on Optics and Communication Technology (ICOCT 2022), 2022, Hefei, China

Abstract

Low frequency ultra-wideband synthetic aperture radar (LF UWB SAR) not only obtains the high-resolution image, but also has the well capability of the foliage penetrating, which is potential of detecting the concealed target under the vegetation. This paper studies the target change detection based on the Edgeworth statistical distribution features in the LF UWB SAR images. First, the Edgeworth expansion is used to estimate the probability density function of the pixel neighborhood, and then the K-L divergence has been used as the standard to evaluate the difference between the probability density functions, to realize the target change detection in the multi-temporal SAR images. Finally, the proposed algorithm is tested based on the LF UWB BSAR data, and then the detection performance is shown and analyzed. The experiment results prove the correctness of the theoretical analysis and the effectiveness of the proposed method.

Citation Download Citation

Hongtu Xie, Jian Zhang, Jiaxing Chen, Peng Zou, and Guoqian Wang "Target change detection based on Edgeworth statistical distribution features for LF UWB SAR", Proc. SPIE 12473, Second International Conference on Optics and Communication Technology (ICOCT 2022), 124730V (18 November 2022); https://doi.org/10.1117/12.2653517

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KEYWORDS

Target detection

Synthetic aperture radar

Edge detection

Detection and tracking algorithms

Image enhancement

Image processing

Statistical analysis

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