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Volume 33 Issue 3
Mar.  2011
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Han Guo-Qiang, Li Yong-Zhen, Wang Xue-Song, Xing Shi-Qi, Liu Qing-Fu. Evaluation of Jamming Effect on SAR Based on Method of Modified Structural Similarity[J]. Journal of Electronics & Information Technology, 2011, 33(3): 711-716. doi: 10.3724/SP.J.1146.2010.00493
Citation: Han Guo-Qiang, Li Yong-Zhen, Wang Xue-Song, Xing Shi-Qi, Liu Qing-Fu. Evaluation of Jamming Effect on SAR Based on Method of Modified Structural Similarity[J]. Journal of Electronics & Information Technology, 2011, 33(3): 711-716. doi: 10.3724/SP.J.1146.2010.00493

Evaluation of Jamming Effect on SAR Based on Method of Modified Structural Similarity

doi: 10.3724/SP.J.1146.2010.00493
  • Received Date: 2010-05-18
  • Rev Recd Date: 2010-09-13
  • Publish Date: 2011-03-19
  • In this paper, an evaluation method based on modified structure similarity of jamming effects on synthetic aperture radar is proposed. This method can not only make good use of structure similarity as juncture between the subjective and the objective evaluation methods, but also utilize the character of gradient modulus which matches with the human vision system's multichannel model, eventually, the modified evaluation index named GSSIM (Gradient Structural SIMilarity) is obtained by nonlinear combination. Simulation results show that GSSIM has an obvious advantage over traditional evaluation indexes, such as MSE, PSNR, Correlation and so on. Besides reflecting the influences of jamming on Region Of Interest (ROI) in the image, it can keep identical to Human Vision System (HVS), and furthermore, it improves the efficiency and accuracy of entire evaluation system.
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