Video data compression

Details Video data compression Video data compression

1996-09-19

1998-11-10

Lee, Richard

Television

Bandwidth reduction system

Data rate reduction

348407, H04N 712, H04N 1102, H04N 1104

Patent

active

058351469

ABSTRACT:
A video data compression system in which input data representing at least portions of a picture can be encoded by generating motion data representing image motion between the picture and at least two different sets of one or more reference pictures. The system is operable to compare test data indicative of the sum of the quantity of motion data and quantity of error data required for encoding with respect to the sets of reference pictures, select the set of reference pictures for which the test data indicates the lowest sum, and use the selected set of reference pictures to encode the input data.

REFERENCES:
patent: 4985768 (1991-01-01), Sugiyama
patent: 5132792 (1992-07-01), Yonemitsu et al.
patent: 5175618 (1992-12-01), Ueda et al.
patent: 5227878 (1993-07-01), Puri et al.
patent: 5517246 (1996-05-01), Suzuki
patent: 5534927 (1996-07-01), Shishikui et al.
patent: 5574504 (1996-11-01), Yagasaki et al.

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