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2010-04-21

Target-Aided SAR Image Intelligent Compression

By Xiao-Hong Yuan, Zhao-Da Zhu, and Gong Zhang
Progress In Electromagnetics Research B, Vol. 20, 285-302, 2010
doi:10.2528/PIERB10012401

Abstract

Intelligent compression is important to image transmission in real time over bandlimited channels for synthetic aperture radar (SAR) payloads deployed on unmanned aerial vehicles (UAV), where target areas are encoded with high fidelity, while background data are encoded with lesser fidelity. A target-aided SAR image intelligent compression (TAIC)system is presented in this paper, which utilizes robust fixed-rate trellis-coded quantization (FRTCQ) to encode target sequences and FRTCQ to encode background sequences. Multiresolution constant false alarm rate (CFAR) detector in wavelet domain using db4 based on the multiscale model of target is embedded. Generic region of interest (ROI) mask is created. In order to achieve better quality of target areas decoded, ROI mask is modified. The improved performance using TAIC system by compressing target chips from training set and testing set in Moving and Stationary Target Acquisition and Recognition (MSTAR) database is demonstrated.

Citation


Xiao-Hong Yuan, Zhao-Da Zhu, and Gong Zhang, "Target-Aided SAR Image Intelligent Compression," Progress In Electromagnetics Research B, Vol. 20, 285-302, 2010.
doi:10.2528/PIERB10012401
http://jpier.org/PIERB/pier.php?paper=10012401

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