Entropy coding for wavelet transform of image and its application for motion picture coding

Mutsumi Ohta; Mitsuharu Yano; Takao Nishitani

doi:10.1117/12.50279

1 November 1991 Entropy coding for wavelet transform of image and its application for motion picture coding

Mutsumi Ohta, Mitsuharu Yano, Takao Nishitani

Proceedings Volume 1605, Visual Communications and Image Processing '91: Visual Communication; (1991) https://doi.org/10.1117/12.50279
Event: Visual Communications, '91, 1991, Boston, MA, United States

Abstract

Motion picture wavelet coding is investigated. Wavelet coding[5,6,7] is expected to be a next generation transform coding, because it can reduce blocking effect and mosquito noise which are the major source of image quality degradation in conventional transform coding methods. Entropy coding of wavelet coefficients is first discussed, then blockless motion compensated adaptive inter/intra-frame prediction method is proposed for motion picture wavelet coding. Coding efficiency is evaluated by simulation. The proposed techniques improve subjective quality of decoded pictures.

Citation Download Citation

Mutsumi Ohta, Mitsuharu Yano, and Takao Nishitani "Entropy coding for wavelet transform of image and its application for motion picture coding", Proc. SPIE 1605, Visual Communications and Image Processing '91: Visual Communication, (1 November 1991); https://doi.org/10.1117/12.50279

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