Conversion for non-interlaced scanning

Details Conversion for non-interlaced scanning Conversion for non-interlaced scanning

1996-07-10

1998-05-19

Kostak, Victor R.

Television

Format conversion

Line doublers type

348450, 348451, H04N 701

Patent

active

057542457

ABSTRACT:
In order to reduce the number of field memories for a converting apparatus for non-interlaced scanning three field memories 53 to 55, a Y/C separator and a motion detector are arranged on the converting apparatus. Based on a luminance signal and a color signal which are generated by the Y/C separator, three luminance signals and color differential signals are generated for a sample (base) line and a complemented line. The three luminance signals and color differential signals are selected based on a detected result of the motion detector. When the selection is carried out, the luminance signal and the color difference signal for a motion pixel are set to the luminance signal and the color difference signal which are generated based on the newest image signal.

REFERENCES:
patent: 4626891 (1986-12-01), Achiha
patent: 4672867 (1987-06-01), Pritchard
patent: 4882765 (1989-11-01), Katsumoto et al.
patent: 4967271 (1990-10-01), Campbell et al.
patent: 5021870 (1991-06-01), Motoe et al.
patent: 5029006 (1991-07-01), Katsumoto et al.
patent: 5428398 (1995-06-01), Faronja

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