Image correction method for compensating for misalignment of...

Details Image correction method for compensating for misalignment of... Image correction method for compensating for misalignment of...

2004-12-30

2009-08-04

Grant, II, Jerome (Department: 2625)

Image analysis

Image enhancement or restoration

Artifact removal or suppression

C348S208130, C348S241000, C348S245000, C348S246000, C358S463000

Reexamination Certificate

active

07570838

ABSTRACT:
For compensating for misalignment of pixels at the time of reproduction in a Holographic Digital Data Storage (HDDS) system, and thereby correcting an image, a stored page-based image is detected using a Charge Coupled Device (CCD) through a one-to-one (1:1) pixel matching between data pixels and CCD detector pixels at the time of reproduction. And then, in case the misalignment of pixels occurs during the 1:1 pixel matching, an amount of the misalignment d (0≦d<1) between a corresponding data pixel and a corresponding CCD detector pixel is calculated. Further, an interference influence of a neighboring pixel on the corresponding CCD detector pixel is calculated based on the calculated amount of the misalignment, to thereby correct image data of the CCD detector pixel. And last, a misalignment influence in accordance with the amount of the misalignment is compensated for, to thereby correct the image data of the CCD detector pixel.

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patent: 2005/0036149 (2005-02-01), Hill
patent: 1610309 (2008-12-01), None

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