Resolution conversion apparatus and method for a display device

Details Resolution conversion apparatus and method for a display device Resolution conversion apparatus and method for a display device

1997-10-16

2000-02-15

Lee, Michael H.

Television

Format conversion

Changing number of lines for standard conversion

348451, 348441, H04N 701, H04N 1120

Patent

active

060258837

ABSTRACT:
A resolution conversion apparatus for a display device which converts input image signals to image signals having different resolution is provided. The resolution conversion apparatus for a display device can increase or decrease the number of scanning lines by using interpolation function to prevent the non-linear distortion due to the nonuniform insertion of scanning lines. The resolution conversion apparatus for a display device can also vary the interpolation function according to the frequency of image information to compensate the decrease of sharpness resulting from the conventional interpolation method using simple proportional values.

REFERENCES:
patent: 3742135 (1973-06-01), Baldwin
patent: 3830971 (1974-08-01), Van de Polder
patent: 3970776 (1976-07-01), Kinuhata et al.
patent: 5386236 (1995-01-01), Hong
patent: 5485217 (1996-01-01), Park
patent: 5517588 (1996-05-01), Kondo
patent: 5534936 (1996-07-01), Kim
patent: 5793433 (1998-08-01), Kim et al.

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