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Variable block-size interpolative vector quantization of images

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2 Author(s)
Chan, C.K. ; City Polytech. of Hong Kong, Hong Kong ; Lee, W.-F.

Recently, variable block size image coding techniques have been applied in low bit rate image coding applications. However, it intrinsically produces highly visible blocking effects. For fixed block-size vector quantization (VQ), has been devised to tackle the problem. In the paper, a variable block-size interpolative VQ technique is proposed for image coding. Experimental results demonstrate that superior image quality with no visible blocking artifacts at approximately 0.49 bit/pel can be achieved by the proposed scheme. In addition, complexity increase is negligible

Published in:

Image Processing and its Applications, 1992., International Conference on

Date of Conference:

7-9 Apr 1992