Video to film conversion

Details Video to film conversion Video to film conversion

1993-06-23

1994-05-17

Kostak, Victor R.

Television

Format conversion

Involving both line number and field rate conversion

358345, 348441, H04N 701

Patent

active

053132815

ABSTRACT:
In a method of converting a 60 field/s 2:1 interlaced video signal to 24 frame/s film, for each sequence of five input fields: the fields of at least one pair of the input fields are each progressive scan converted to form a pair of frames, and a weighted addition of the frames is made on a pixel-by-pixel basis to form an output video frame with a shifted temporal centroid, so that the temporal centroids of the output video frames are equally spaced. The output video frames are then recorded on film. In another method, the progressive scan conversion and weighted addition is performed by a single filter.

REFERENCES:
patent: 3716670 (1973-02-01), Lowry
patent: 4473849 (1984-09-01), Cool
patent: 5132793 (1992-07-01), Hirahata

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