Method and apparatus for detecting and compensating for white sh

Details Method and apparatus for detecting and compensating for white sh Method and apparatus for detecting and compensating for white sh

1991-02-25

1992-10-20

Razavi, Michael

Facsimile and static presentation processing

Facsimile

Recording apparatus

358163, 358168, H04N 530

Patent

active

051574977

ABSTRACT:
A white shading correction system capable of automatic determination of the amount of white shading correction to be applied to specific video image pixels as well as the application of that correction to a digitized video signal is disclosed. This system includes an inspecting portion for identifying the required correction within a video frame, a calculating portion for computing the amount of correction to be applied to the video signal, and a correction portion for correcting the video signal based upon the correction computed by the calculating portion.

REFERENCES:
patent: 4285004 (1981-08-01), Morrison
patent: 4312014 (1982-01-01), Ryan
patent: 4326219 (1982-04-01), Griesshaber
patent: 4354243 (1982-10-01), Ryan et al.
patent: 4486781 (1984-12-01), Wilmer et al.
patent: 4633314 (1986-12-01), Kurata et al.
patent: 4695884 (1987-09-01), Anastassiou et al.
patent: 4731652 (1988-03-01), Yamanaka
patent: 4945405 (1990-07-01), Hirota
patent: 4962425 (1990-10-01), Rea
patent: 5001768 (1991-03-01), Mita et al.
patent: 5047861 (1991-09-01), Houchin et al.

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