Improved minimum distortion encoding algorithm for image vector quantization

Kwok-Tung Lo; Jian Feng

doi:10.1117/12.206776

21 April 1995 Improved minimum distortion encoding algorithm for image vector quantization

Kwok-Tung Lo, Jian Feng

Proceedings Volume 2501, Visual Communications and Image Processing '95; (1995) https://doi.org/10.1117/12.206776
Event: Visual Communications and Image Processing '95, 1995, Taipei, Taiwan

Abstract

An improved minimum distortion encoding method called predictive mean search (PMS) algorithm is proposed for image vector quantization in this paper. With the proposed method, the minimum distortion codeword can be found by searching only a portion of the codebook and its relative address to the origin of search is sent instead of absolute address. Two schemes are proposed to transmit the relative address of the minimum distortion codeword. Simulation results show that a significant reduction in both computations and bit-rates is achieved by using the proposed methods.

Citation Download Citation

Kwok-Tung Lo and Jian Feng "Improved minimum distortion encoding algorithm for image vector quantization", Proc. SPIE 2501, Visual Communications and Image Processing '95, (21 April 1995); https://doi.org/10.1117/12.206776

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