Scanning line converting method for a television receiver and de

Details Scanning line converting method for a television receiver and de Scanning line converting method for a television receiver and de

1993-04-21

1995-08-15

Kostak, Victor R.

Television

Format conversion

Line doublers type

348452, H04N 701

Patent

active

054424046

ABSTRACT:
The present invention relates to a scanning line converting method of television receiver for interpolating the scanning line by processing with two dimensional pseudomedian filtering, and which comprises : a step for setting a center value by peripheral pixel components of the pixels to be interpolated in a video signal of interlaced scanning system; a step for computing with a two dimentional pseudomedian filtering by center value and peripheral pixel components; a step for 2/1 time compressing respectively the computed signal and the video signal; and a step for selectively switching the 2/1 time compressed signals whereby interpolating the scanning line.

REFERENCES:
patent: 4677483 (1987-06-01), Dischert et al.
patent: 4941045 (1990-07-01), Birch
patent: 4947251 (1990-08-01), Hentschel
patent: 4967271 (1990-10-01), Campbell et al.
patent: 4985764 (1991-01-01), Sato
patent: 5019903 (1991-05-01), Dougall et al.
patent: 5046164 (1991-09-01), Hurst, Jr.
patent: 5081532 (1992-01-01), Rabii
patent: 5093721 (1992-03-01), Rabii
patent: 5153779 (1992-10-01), Ibenthal

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