Apparatus and method for selecting a rate and distortion based c

Details Apparatus and method for selecting a rate and distortion based c Apparatus and method for selecting a rate and distortion based c

1997-12-31

2000-03-14

Le, Vu

Television

Bandwidth reduction system

Data rate reduction

348412, 382238, H04N 732

Patent

active

060379871

ABSTRACT:
An apparatus and concomitant method for selecting a macroblock coding mode based on the measured distortion associated with the selected coding mode is disclosed. The invention selects a coding mode that has a distortion measure that is nearest to an expected operating distortion. Once an initial coding mode is selected, the invention applies a trade-off operation. The best coding mode after the trade-off operation is selected as the coding mode for the current macroblock.

REFERENCES:
patent: 5459515 (1995-10-01), Chevance et al.
patent: 5491514 (1996-02-01), Fukuda et al.
patent: 5608458 (1997-03-01), Chen et al.
patent: 5627938 (1997-05-01), Johnston
patent: 5691770 (1997-11-01), Keesman et al.
patent: 5694171 (1997-12-01), Katto
patent: 5818536 (1998-10-01), Morris et al.
patent: 5909513 (1999-06-01), Liang et al.

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