Method and apparatus for scalable decompression of a digital mot

Details Method and apparatus for scalable decompression of a digital mot Method and apparatus for scalable decompression of a digital mot

1992-12-22

1994-06-28

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348390, H04N 713

Patent

active

053251245

ABSTRACT:
In a method and apparatus for scalably decoding a sequence of encoded digital video frames on a digital processor, an interpolation level is determined in accordance with the processing power of the digital processor. An encoded frame is selected from the sequence for decoding. If the interpolation level is greater than a predetermined threshold, then a scalably decoded frame is formed by interpolating the selected frame in accordance with a first pixel depth level. If the interpolation level is not greater than the predetermined threshold, then a scalably decoded frame is formed by interpolating the selected frame in accordance with a second pixel depth level, the second pixel depth level having fewer bits than the first pixel depth level.

REFERENCES:
patent: 4839724 (1989-06-01), Keesen et al.
patent: 4857993 (1989-08-01), Music et al.
patent: 4922508 (1990-05-01), Moriya
patent: 4930013 (1990-05-01), Leaning
patent: 5130701 (1992-07-01), White et al.
patent: 5134477 (1992-07-01), Knauer et al.
patent: 5136663 (1992-08-01), Nishio

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