Video scan converter including the modification of spatially int

Details Video scan converter including the modification of spatially int Video scan converter including the modification of spatially int

1994-06-17

1996-01-30

Groody, James J.

Television

Format conversion

Line doublers type

348439, 348459, H04N 701, H04N 712

Patent

active

054884225

ABSTRACT:
A video scan converter includes an input for receiving a video signal at a first scan rate, an output for providing a video signal at a second scan rate and a main path leading between the input and the output. The main path includes a scan line interpolation circuit and a time scale modification circuit which provide conventional two-dimensional scan conversion. A further path coupled to the main path dynamically alters the output of the scan line interpolation circuit in response to motion in the picture represented by the video signal, thus providing a three-dimensional scan conversion. The further path may be optional.

REFERENCES:
patent: 4791487 (1988-12-01), Kozuki et al.
patent: 4987489 (1991-01-01), Hurley et al.
patent: 4989090 (1991-01-01), Campbell et al.
patent: 5032899 (1991-07-01), Sato
patent: 5181110 (1993-01-01), Katsumata et al.

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