Video processing system

Details Video processing system Video processing system

1989-09-20

1992-04-21

Weldon, Ulysses

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340724, 340725, 358 22, 358183, G09G 302, G09G 106

Patent

active

051072521

ABSTRACT:
A video processing system for use in combining a first video image sequence comprising a number of image frames and a second sequence of video image frames to create a composite video image sequence is disclosed. The system comprises a stylus and touch tablet combination and is arranged to define on a frame-by-frame basis at least four reference points representing corners of a keyframe in three dimensional space notionally projected onto a monitor screen. A transforming circuit transforms the addresses of pixels in a frame of the first video image sequence so as to cause the pixels to represent the frame as projected onto the display screen from the same location in three dimensional space as the keyframe. A combiner combines the transformed frame with a corresponding frame of the second video sequence to produce the composite video image sequence.

REFERENCES:
patent: 4600919 (1986-07-01), Stern
patent: 4797836 (1989-01-01), Witek et al.
patent: 4947255 (1990-08-01), Jackson et al.
patent: 4949180 (1990-08-01), Miles
patent: 4951040 (1990-08-01), McNeil et al.
patent: 4974083 (1990-11-01), Bloomfield et al.

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