Scanning format converting circuit using motion vectors

Details Scanning format converting circuit using motion vectors Scanning format converting circuit using motion vectors

1994-08-17

1995-07-04

Groody, James J.

Television

Format conversion

Line doublers type

348416, H04N 701, H04N 736

Patent

active

054304903

ABSTRACT:
A scanning format converting circuit for converting video signals of the interlaced scanning form involving flickers into those of the progressive scanning form free of flickers using motion vectors included in the video signals. In addition to a general decoding construction, the scanning format converting circuit includes an additional motion compensating unit and an additional frame memory. The additional motion compensating unit serves to motion-compensate input video data sent from frame memories using motion vectors and thereby derives data to be interpolated so that the video data of the interlaced scanning form is converted into those of the progressive scanning form.

REFERENCES:
patent: 4958226 (1990-09-01), Haskell et al.
patent: 5134477 (1992-07-01), Knauer et al.
patent: 5148272 (1992-09-01), Acampora et al.
patent: 5208667 (1993-05-01), Saunders
patent: 5305104 (1994-04-01), Jensen et al.
Murata et al., A Consumer Use Flicker-free Color Monitor Using Digital Signal Processing, Jun. 9, 1986, pp. 215-237.

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