Method of compressing and decoding shape-data

Details Method of compressing and decoding shape-data Method of compressing and decoding shape-data

1994-12-27

1998-04-14

Couso, Jose L.

Image analysis

Image compression or coding

Shape, icon, or feature-based compression

G06K 946

Patent

active

057402817

ABSTRACT:
A method of compressing shape-data used for an image generating apparatus comprises steps of inputting shape-data for each part of the whole shape, seeking a distribution of coordinate values of the shape-data for each part and determining parameters for quantizing each coordinate value for each part and quantizing each coordinate value for each part based on the parameters determined in the foregoing step, and a method of decoding compressed shape-data is also disclosed.

REFERENCES:
patent: 5231676 (1993-07-01), Mahoney
patent: 5280547 (1994-01-01), Mahoney
patent: 5533148 (1996-07-01), Sayan et al.
patent: 5546477 (1996-08-01), Knowles et al.
Portable Video Research Group, Stanford University, "PVRG-MPEG CODEC 1.1", Andy C. Hung, Mar. 1, 1993.

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