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1. 中国科学院长春光学精密机械与物理研究所, 吉林, 长春, 130022
2. 北华大学,吉林市 吉林,132033
3. 总装驻长春地区军事代表室, 吉林, 长春, 130022
收稿日期:2002-04-15,
修回日期:2002-10-10,
网络出版日期:2002-12-15,
纸质出版日期:2002-12-15
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解成俊, 刘艳滢, 李晓滨, 王延杰, 赵贵军. 基于提升方案与SPIHT算法相结合用于图像的无损压缩[J]. 光学精密工程, 2002,(6): 564-568
XIE Cheng-jun, LIU Yan-ying, LI Xiao-bin, WANG Yan-jie, ZHAO Gui-jun. Research on the application of lifting scheme in image lossless compression[J]. Editorial Office of Optics and Precision Engineering, 2002,(6): 564-568
解成俊, 刘艳滢, 李晓滨, 王延杰, 赵贵军. 基于提升方案与SPIHT算法相结合用于图像的无损压缩[J]. 光学精密工程, 2002,(6): 564-568 DOI:
XIE Cheng-jun, LIU Yan-ying, LI Xiao-bin, WANG Yan-jie, ZHAO Gui-jun. Research on the application of lifting scheme in image lossless compression[J]. Editorial Office of Optics and Precision Engineering, 2002,(6): 564-568 DOI:
研究了基于提升方案的CDF(m
n)双正交小波变换结合SPIHT应用于图象无失真压缩编码的方法.实验结果表明
基于提升方案和整数运算的CDF(m
n)变换是整-整可逆变换
CDF(2
n)的无失真压缩性能好于流行的Huffman、WinRar、Raw+WinZip、JPEGLS.压缩比分别比上述编码方法提高了62%
47%
44%
32%左右.运算速度快
便于硬件实现.
This paper studies an image lossless compression coding method based on the CDF (m
n)invertible or thogonal wavelet transform of lifting scheme and SPIHT. The experimental results show that the CDF(m
n) transform based on lifting scheme and integer operation
is an integer-integer invertible transform
and that the image lossless compression performance of CDF(2
n) is better than that of Huffman
NinRar
Raw+WinZip
JPEGLS. The compression rate has been improved by 62%
47%
44% and 32%
respectively.Its fast operation speed makes hardware implementation easier.
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