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Volume 27 Issue 3
Mar.  2005
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Wu Jia-ji, Wu Cheng-ke. A Remote Sensing Image Compression Algorithm Based on Low-Complexity Embedded Zeroblock Coder[J]. Journal of Electronics & Information Technology, 2005, 27(3): 445-448.
Citation: Wu Jia-ji, Wu Cheng-ke. A Remote Sensing Image Compression Algorithm Based on Low-Complexity Embedded Zeroblock Coder[J]. Journal of Electronics & Information Technology, 2005, 27(3): 445-448.

A Remote Sensing Image Compression Algorithm Based on Low-Complexity Embedded Zeroblock Coder

  • Received Date: 2003-10-09
  • Rev Recd Date: 2004-07-21
  • Publish Date: 2005-03-19
  • In this paper, a new coding approach to remote sensing images is proposed according to the statistical characteristic of remote sensing images data. The approach is based on an improved embedded, zeroblock-based, image wavelet transform coding algorithm. A modified quadtree algorithm and a new orderings strategy of List of Insignificant Sets (LIS) are proposed in new algorithm. By improving in this proposal, the performance of the embedded wavelet image coder is increased and a higher computing efficiency is obtained. The proposed algorithm exhibits a lower complexity, a more efficient compression ratio and a higher PSNR than SPIHT and SPECK. Experimental results show that the proposed method increases the PSNR by about 0.3dB over SPIHT, and beats SPIHT by 35% at the CPU time.
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