General construction of wavelet filters via a lifting scheme and its application in image coding

DianLong Liang; Lizhi Cheng; Zenghui Zhang

doi:10.1117/1.1580153

1 July 2003 General construction of wavelet filters via a lifting scheme and its application in image coding

DianLong Liang, Lizhi Cheng, Zenghui Zhang

Optical Engineering, Vol. 42, Issue 7, (July 2003). https://doi.org/10.1117/1.1580153

By using a lifting scheme, we present a technique to construct compactly supported wavelets whose coefficients are composed of free variables that lie in an interval. By selecting the coefficients of the 9 to 7 wavelet filter and associated lifting scheme, an efficient approach via wavelets for image compression is developed. Furthermore, the rationalized coefficients wavelet filter that can be implemented with simple integer arithmetic is achieved, and its characteristic is close to the well-known original irrational coefficients 9 to 7 wavelet filters developed by Cohen, Daubechies, and Feauveau. Software and hardware simulations show that the new method has very low complexity, and simultaneously preserves a high quality of a compressed image.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

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DianLong Liang, Lizhi Cheng, and Zenghui Zhang "General construction of wavelet filters via a lifting scheme and its application in image coding," Optical Engineering 42(7), (1 July 2003). https://doi.org/10.1117/1.1580153

Published: 1 July 2003

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