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Article Navigation >  Journal of University of Electronic Science and Technology of China  > 1999  >  28(3): 223-227

Xiang Yu, Li Zaiming. Study On Extension and Statistics in Image WT Coding[J]. Journal of University of Electronic Science and Technology of China, 1999, 28(3): 223-227.
Citation: Xiang Yu, Li Zaiming. Study On Extension and Statistics in Image WT Coding[J]. Journal of University of Electronic Science and Technology of China, 1999, 28(3): 223-227.
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Study On Extension and Statistics in Image WT Coding

  • 1.

    College of Communication Eng.,UEST of China Chengdu 610054

  • Received Date: 1998-03-10
  • Rev Recd Date: 1998-04-21
  • Publish Date: 1999-06-15
  • It is proved in this paper that the periodic extension matches the structure of Daub filter better than the symmetric extension when using the filter in wavelet image coding. Then, the statistical property of wavelet coefficients and runlength probability are analyzed. Finally high compression ratio and high signal-to-noise ratio in image coding are achieved based on above analysis.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study On Extension and Statistics in Image WT Coding

  • 1. College of Communication Eng.,UEST of China Chengdu 610054
  • Received Date: 1998-03-10
  • Rev Recd Date: 1998-04-21
  • Publish Date: 1999-06-15

Abstract: It is proved in this paper that the periodic extension matches the structure of Daub filter better than the symmetric extension when using the filter in wavelet image coding. Then, the statistical property of wavelet coefficients and runlength probability are analyzed. Finally high compression ratio and high signal-to-noise ratio in image coding are achieved based on above analysis.

Xiang Yu, Li Zaiming. Study On Extension and Statistics in Image WT Coding[J]. Journal of University of Electronic Science and Technology of China, 1999, 28(3): 223-227.
Citation: Xiang Yu, Li Zaiming. Study On Extension and Statistics in Image WT Coding[J]. Journal of University of Electronic Science and Technology of China, 1999, 28(3): 223-227.
shu

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