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Author:

柴焱 (柴焱.) | 张晓玲 (张晓玲.) | 沈兰荪 (沈兰荪.)

Indexed by:

CQVIP PKU CSCD

Abstract:

本文根据高光谱图像具有空间和谱间相关性的特点,提出一种基于三维整型DCT变换的无损压缩方法.首先采用三维整型DCT变换消除高光谱图像空间和谱间的相关性;然后,对变换系数进行类似小波的树状系数重组,并按子带顺序进行一阶自适应算术编码.实验结果表明,本文提出的方法与JPEG2000中无损压缩算法相比,平均比特率降低0.1~0.4bpp;与JPEG-LS相比,平均比特率降低0.01~0.2bpp.

Keyword:

自适应算术编码 整型DCT 高光谱图像 无损压缩

Author Community:

  • [ 1 ] [柴焱]北京工业大学
  • [ 2 ] [张晓玲]北京工业大学
  • [ 3 ] [沈兰荪]北京工业大学

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Source :

电路与系统学报

ISSN: 1007-0249

Year: 2006

Issue: 2

Volume: 11

Page: 30-32,29

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 6

Chinese Cited Count:

30 Days PV: 9

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