Method and apparatus for keying of secondary video into...

Details Method and apparatus for keying of secondary video into... Method and apparatus for keying of secondary video into...

2006-06-13

2006-06-13

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S633000, C345S638000, C348S582000, C348S584000, C348S590000

Reexamination Certificate

active

07061509

ABSTRACT:
Apparatus for inserting an externally supplied video image into a computer graphics image. A TV card (131), responsive to synchronization signals, is connected to a video source to receive and convert an input video stream and also connected to provide a scaled and positioned video image (754) synchronized to a computer graphics image. A graphics card (150) is configured to provide the TV card (131), with a computer graphics image (652) having an embedded color key signal, video scaling and positioning parameters and horizontal and vertical synchronization signals. A window keyer (260) is connected to the TV card (131) and the graphics card (150) to provide the video stream and the computer graphics image to a computer monitor (170).

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patent: 6359653 (2002-03-01), Huang
patent: 6359657 (2002-03-01), Westerink et al.
patent: 6628340 (2003-09-01), Graczyk et al.

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