Region-based texture coding method and decoding method, and corr

Details Region-based texture coding method and decoding method, and corr Region-based texture coding method and decoding method, and corr

1996-10-18

1998-12-01

Couso, Jose L.

Image analysis

Image compression or coding

Contour or chain coding

382232, 382166, 348398, G06K 948

Patent

active

058450130

ABSTRACT:
The invention relates to an image sequence coding method in which images are segmented and coded with respect to their contours and textures. The texture coding step is carried out by means of a lattice vector quantization method adapted to region-based coding schemes where regions have arbitrary shapes, for applications allowing to reach very low bit rates while keeping a good image quality.

REFERENCES:
patent: 5204920 (1993-04-01), Moran et al.
patent: 5612744 (1997-03-01), Lee et al.
patent: 5671294 (1997-09-01), Rogers et al.
"A Lattice Vector Quantization Using a Geometric Decomposition", Ting-Chung Chen, IEEE Transcations on Communications, vol. 38, No. 5, May 1990.
"An Algorithm For Vector Quantier Design", Y. Linde and Al, IEEE-Transactions on Communications, vol. 28, No. 1, Jan. 1980, pp. 84-95.

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