Special effects video processor

Details Special effects video processor Special effects video processor

1995-01-17

1997-07-08

Lee, Michael H.

Television

Format conversion

Changing number of fields for standard conversion

348452, 348578, H04N 701

Patent

active

056466978

ABSTRACT:
In a special effects video processor, a low-pass filter limits, in a horizontal direction, the bandwidth of an input video signal. A field/frame converter, receiving the video signal from the first low-pass filter, generates a frame signal which is comprised of a video signal for one frame by generating one odd or even field signal from the other said odd or even field signal. A low-pass filter limits in a vertical direction the bandwidth of such frame signal supplied from the field/frame converter. In a mapping processor, a memory stores the frame signal supplied from the second low-pass filter, and an interpolator performs interpolation for a plurality of data in the frame signal read from the memory. Such special effects video processor provides a processed video image without deterioration in quality.

REFERENCES:
patent: 4888643 (1989-12-01), Kusakabe
patent: 4956707 (1990-09-01), Oakley et al.
patent: 5225824 (1993-07-01), Yammoto et al.
patent: 5469223 (1995-11-01), Kimura

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