Apparatus and method for correcting CCD pixel nonuniformities

Details Apparatus and method for correcting CCD pixel nonuniformities Apparatus and method for correcting CCD pixel nonuniformities

1986-05-28

1987-10-06

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821317, 358163, H04N 514, H04N 530

Patent

active

046986855

ABSTRACT:
Nonuniformities in the pixel of a CCD are corrected by storing a correction value for every pixel of the CCD. The pixel values from the CCD are transferred to a multiplier. The correction values are also transferred to the multiplier in synchronization with the transfer of the pixel values. The correction values and the pixel values are multiplied to produce a corrected pixel value for every pixel of the CCD. The corrected pixel values are transferred to an image processor for appropriate data processing.

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patent: 4586082 (1986-04-01), Wilkinson
patent: 4590520 (1986-05-01), Frame et al.
patent: 4614966 (1986-09-01), Yunoki et al.

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