Television – Format conversion – Line doublers type
Patent
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.
Bialo Charles A.
Faroudja Yves C.
Burgess Glenton B.
Faroudja Yves C.
Gallagher Thomas A.
Groody James J.
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