Compressed video graphics system and methodology

Details Compressed video graphics system and methodology Compressed video graphics system and methodology

1998-06-08

2000-06-20

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

G06F 1500

Patent

active

060783281

ABSTRACT:
Graphics in the same compressed digital format as that of a target video image are combined, on the fly, by an application. Combination is performed by frame modification or overlay techniques. In the preferred embodiment, the compressed video image format conforms to an MPEG-2 compression standard. A base image is produced by an I-frame, and MPEG-2 graphics elements formed either by modifying the I-frame or overlaying the I-frame with one or more P-frames.

REFERENCES:
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patent: 4868570 (1989-09-01), Boliek et al.
patent: 5408328 (1995-04-01), Boliek et al.
patent: 5493638 (1996-02-01), Hooper et al.
patent: 5680161 (1997-10-01), Lehman et al.
patent: 5684539 (1997-11-01), Boyce et al.

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