Digital image correction device and display device

Details Digital image correction device and display device Digital image correction device and display device

1997-11-17

2000-11-14

Lee, Thomas D.

Image analysis

Image enhancement or restoration

382255, 382274, 31536811, 31536812, 348806, 348807, G06K 940

Patent

active

061481122

ABSTRACT:
A digital image correction device in which correction data at correction points corresponding one by one to positions on a CRT screen displayed by raster scanning system is stored as a relation pattern expressing the relative relation with the correction data of the adjacent correction point as one-bit data such as UP/DOWN, and on the basis of this relation pattern, a correction signal is generated for boosting, lowering or holding the voltage of the correction signal at each correction point as compared with the voltage at the adjacent correction point.

REFERENCES:
patent: 5298985 (1994-03-01), Tsujihara et al.
patent: 5398083 (1995-03-01), Tsujihara et al.
patent: 5592240 (1997-01-01), Sakamoto et al.
patent: 5751122 (1998-05-01), Park
patent: 5793447 (1998-08-01), Fujiwara et al.

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