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Scaleable Coding Based on wavelet Decomposition

Huang Xianglin , Wei Hai,Shen Lansun (Signal and Information Processing Lab, Beijing Polytechnic University,Beijing 100022)  
A wavelet based scaleable coding method is proposed to support spatial, temporal and hybrid scalability. The wavelet decomposition is employed to encode the low frequency band as base layer and high frequency band as enhancement layer. Also, the Visual Pattern Image Coding (VPIC) method, which is based on the directionality of high frequency band in wavelet image, is proposed to improve coding efficiency.
【Fund】: 863计划资助项目!(863306ZT0309)
【CateGory Index】: TN919.81
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