High efficiency encoding and/or decoding apparatus

Details High efficiency encoding and/or decoding apparatus High efficiency encoding and/or decoding apparatus

1993-11-09

1996-05-14

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348424, H04N 746

Patent

active

055172458

ABSTRACT:
A high efficiency encoding device for compressing the input information by temporal/spatial sampling transmits the input information supplied at an input terminal 10 to a thinning sub-sampling unit 11 and to a normal equation generating unit 12a in a model-associated coefficient calculating unit, 12. The transmission information is supplied from the thinning sub-sampling unit 11 to an output terminal 13 and to the normal equation generating unit 12a. The normal equation generating unit 12a formulates normal equations by the least squares method based on a linear first-order combination model and outputs the coefficients to a coefficient calculating unit 12b. The coefficient calculating unit 12b solves the normal equations to find most probable values for the unknown coefficients to output the calculated most probable values to an output terminal 14.

REFERENCES:
patent: 4668986 (1987-05-01), Furukawa
patent: 4788589 (1988-11-01), Kondo
patent: 4891699 (1990-01-01), Hamada et al.
patent: 4977452 (1990-12-01), Enari et al.
patent: 5032910 (1991-07-01), Cok

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