Telecine signal conversion method and an up-converter

Details Telecine signal conversion method and an up-converter Telecine signal conversion method and an up-converter

1996-12-20

2000-11-07

Flynn, Nathan J.

Television

Format conversion

348443, 348458, H04N 701, H04N 1120

Patent

active

061444103

ABSTRACT:
Telecine signal conversion method for converting an interlaced scan telecine signal generated by 2-3 pull-down system, wherein a picture of the first frame is converted into an interlaced signal of the first and second fields and a picture in the following second frame is converted into an interlaced signal in the third, fourth and fifth fields, into a progressively scanned telecine signal comprising steps of detecting a pull-down phase of the interlaced scan telecine signal, specifying the first and second fields based on the detected pull-down phase, composing picture signals of the specified first and second fields and generating progressively scanned telecine signals from the picture signals of the first and second frames, and specifying the third and fourth fields based on the detected pull-down phase, composing picture signals of the specified third and fourth fields and generating progressively scanned telecine signals from the picture signals of the third, fourth and fifth frames.

REFERENCES:
patent: 5255091 (1993-10-01), Lyon et al.
patent: 5517248 (1996-05-01), Isoda
patent: 5519452 (1996-05-01), Parulski
patent: 5661525 (1997-08-01), Kovacevicet et al.
patent: 5734435 (1998-03-01), Wilson et al.
English-Language Abstract for Published Japanese Patent Application 7-95441.
"Digital Video Processing", Digicipher HDTV System Description, Aug. 22, 1991, pp. 9-23.

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