Predictive coding system for TV signals

Details Predictive coding system for TV signals Predictive coding system for TV signals

1987-08-03

1989-01-31

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358135, 358136, 375 27, H06N 712

Patent

active

048020044

ABSTRACT:
A predictive TV signal coding system is disclosed, in which a predictive value of a picture element to be coded is obtained from information of an already coded picture element, a representative quantization value of the picture element to be coded is determined in accordance with the magnitude of the predictive value, and a difference value between the representative quantization value and the predictive value is coded for transmission without quantization.

REFERENCES:
patent: 2905756 (1959-09-01), Graham
patent: 4517596 (1985-05-01), Suzuki
patent: 4571618 (1986-02-01), Hatori et al.
patent: 4691233 (1987-09-01), Acampora

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