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作者:

Zhuo, Li (Zhuo, Li.) | Xiao, Zhu (Xiao, Zhu.) | Wang, Su-Yu (Wang, Su-Yu.) | Li, Xiao-Guang (Li, Xiao-Guang.) | Zhu, Qing (Zhu, Qing.)

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摘要:

A spectral imagery compression algorithm based on spectral prediction and wavelet transform is presented. Utilizing spectral prediction and 2D wavelet transform respectively, the special and spectral redundancy is removed. Then, combined with band reordering and quadtree-based subband by subband wavelet image coding method, the experimental results of the proposed scheme show obvious advantages. At the same compression ratio, the average PSNR of reconstructed images is 3.69 dB higher than that of JPEG2000. Meanwhile, with the anti-error and multi-resolution decoding features, it is suitable for the application in remote sensing platforms.

关键词:

Forecasting Image coding Image compression Remote sensing Spectroscopy Wavelet transforms

作者机构:

  • [ 1 ] [Zhuo, Li]Signal and Information Processing Lab., Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Xiao, Zhu]Signal and Information Processing Lab., Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Wang, Su-Yu]Signal and Information Processing Lab., Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Li, Xiao-Guang]Signal and Information Processing Lab., Beijing University of Technology, Beijing 100124, China
  • [ 5 ] [Zhu, Qing]School of Software Engineering, Beijing University of Technology, Beijing 100124, China

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来源 :

Journal of Beijing University of Technology

ISSN: 0254-0037

年份: 2010

期: 8

卷: 36

页码: 1037-1043

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