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Speckle denoising method for SAR based on EMD

Published: 13 August 2011 Publication History

Abstract

The aliasing of the speckle noise and echo information of SAR blurs the structure character of SAR image. It is difficult to enhance structure character of SAR images. Aiming at this difficulty, we propose an amalgamation frame based on EMD and PCA algorithm. The frame can effectively filter the speckle noise and enhance the structure character which finally can be seen by people's eyes. Using the proposed method, the speckle noise of SAR image in different scale is filtered. At last, we obtain the new denoised SAR image. The experiment result indicates that speckle noise of our result is substantially decreased and the structure character and texture of the result is clearer. And our result eyes can distinguish the character of SAR image.

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      ICCC '11: Proceedings of the 2011 International Conference on Innovative Computing and Cloud Computing
      August 2011
      131 pages
      ISBN:9781450305679
      DOI:10.1145/2071639
      • General Chairs:
      • Honghua Tan,
      • Jun Zhang,
      • Program Chairs:
      • Dehuai Yang,
      • Yanwen Wu
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      • ACM Wuhan Chapter: ACM Wuhan Chapter
      • Wuhan Univ.: Wuhan University, China

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      New York, NY, United States

      Publication History

      Published: 13 August 2011

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      Author Tags

      1. empirical mode decomposition
      2. principle composition analysis
      3. speckle noise
      4. synthesis aperture radar (SAR) image

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      • ACM Wuhan Chapter
      • Wuhan Univ.

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