System and method for compensating for noise in a captured...

Details System and method for compensating for noise in a captured... System and method for compensating for noise in a captured...

2003-03-24

2009-02-24

Williams, Kimberly A (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S001900, C358S514000, C358S483000, C358S448000, C358S463000

Reexamination Certificate

active

07495806

ABSTRACT:
A system and method are provided that compensates for noise in a captured image. One embodiment comprises scanning an image a predefined number of times with a plurality of pixels, receiving light information from each of the plurality of pixels each time the image is scanned, converting the received light information into a plurality of data values, each of the data values corresponding uniquely to light information from one of the plurality of pixels, generating a plurality of pre-divided data values by dividing each of the data values by a number corresponding to the number of times that the image is scanned, and adding corresponding ones of the pre-divided data values together such that an average data value is determined uniquely for each of the plurality of pixels so that noise is compensated by the averaging of the data values.

REFERENCES:
patent: 6646246 (2003-11-01), Gindele et al.
patent: 2002/0054399 (2002-05-01), Okamura
patent: 2005/0140795 (2005-06-01), Hisamatsu et al.
patent: 2006/0050980 (2006-03-01), Kohashi
patent: 2008/0025630 (2008-01-01), Hofman et al.
patent: 61139158 (1986-06-01), None
patent: 2001275036 (2001-10-01), None
patent: 2001326819 (2001-11-01), None

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