Deinterlacing device and method for digital TV receiver

Details Deinterlacing device and method for digital TV receiver Deinterlacing device and method for digital TV receiver

1998-12-31

2000-09-12

Kostak, Victor R.

Television

Format conversion

Line doublers type

348452, H04N 701

Patent

active

061184896

ABSTRACT:
The device includes a data storage unit for storing a video signal in three field data units, a first pattern detecting unit for detecting a pattern of a data level of at least one pixel value in first field data, and a second pattern detecting unit for detecting a pattern of a data level of at least one pixel value in third field data, which is two fields prior to the first field data. The pixel in the third field data corresponding to the pixel value in the first field data. A difference signal detecting unit obtains a difference signal between the pixel in the first field data and the pixel in the third field data, and a difference signal between the patterns detected in the first pattern detecting unit and the second pattern detecting unit. A motion signal generating unit obtains a motion extent signal used to interpolate a pixel in the second field data based on the difference signals detected in the difference signal detecting unit.

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patent: 5027201 (1991-06-01), Bernard
patent: 5339109 (1994-08-01), Hong
patent: 5386237 (1995-01-01), Knee
patent: 5475438 (1995-12-01), Bretl
patent: 5619271 (1997-04-01), Mancuso et al.
patent: 5796437 (1998-08-01), Muraji et al.
patent: 5825429 (1998-10-01), Shirahata
patent: 5852470 (1998-12-01), Kondo et al.
patent: 5929918 (1999-07-01), Marques Periera et al.

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