Fuzzy-controlled coding method and apparatus therefor

Details Fuzzy-controlled coding method and apparatus therefor Fuzzy-controlled coding method and apparatus therefor

1994-04-15

1995-12-12

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348405, H04N 732

Patent

active

054754330

ABSTRACT:
A fuzzy-controlled coding method and apparatus thereof wherein quantization step size which is determined by values of image complexity, buffer fullness, motion vector and picture brightness, is controlled by using a fuzzy reasoning and defuzzification, enables properly dealing with the case where the conditions which influence a quantization step size deviate from the conventional algorithm established in a system. As a result, the image restored by decoding has a stable image quality.

REFERENCES:
patent: 5038209 (1991-08-01), Hang
patent: 5077798 (1991-12-01), Ichikawa et al.
patent: 5295077 (1994-03-01), Fukuoka
patent: 5367335 (1994-11-01), Murakami et al.

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