Image processing apparatus and terminal apparatus

Details Image processing apparatus and terminal apparatus Image processing apparatus and terminal apparatus

1992-11-03

1994-10-18

Britton, Howard W.

Television

Bandwidth reduction system

Data rate reduction

368 17, 368632, 348 15, H04N 7133, H04N 7137

Patent

active

053572815

ABSTRACT:
The present invention is directed to a terminal apparatus in which the in-frame compression factor of an image obtained by a camera is increased to restrict frame thinning when the camera is moved. A control circuit 60 performs control of a movable table 12. When a TV camera 10 is moved, the quantization table used in a quantization circuit 26 is changed over, whereby a higher compression factor of the coding conducted by a DCT circuit 24 and the quantization circuit 26 is achieved. Thus, a predetermined compression factor can be achieved without performing frame thinning.

REFERENCES:
patent: 4888795 (1989-12-01), Ando
patent: 4939580 (1990-07-01), Ishikawa
patent: 5063440 (1991-11-01), Hong
patent: 5164828 (1992-11-01), Tahara

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