Scalable Interframe Wavelet Coding with LowComplex Spatial Wavelet Transform

ETRI Journal

关键词: scalable video coding;    Interframe wavelet coding;   

Others  :  1185433
DOI  :  10.4218/etrij.06.0105.0076

【 摘 要 】

In the decoding process associated with interframe wavelet coding, the inverse wavelet transform requires high computational complexity. However, as video technology starts to pervade all aspects of our lives, decoders are becoming required in various devices such as PDAs, notebooks, PCs, and set-top boxes. Therefore, a decoder's complexity needs to be adapted to the processor's computational power, and consequently a low-complexity codec is also required for scalable video coding. In this paper, we propose a method of controlling and lowering the complexity of the spatial wavelet transform while sustaining the same coding efficiency as that currently afforded. In addition, the proposed method may alleviate the ringing effect for slowly changing image sequences.

   

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