Method of processing noise in image data, noise reduction...

Television – Camera – system and detail – Combined image signal generator and general image signal...

Reexamination Certificate

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Details

C348S222100, C382S275000, C382S278000, C382S279000

Reexamination Certificate

active

07825964

ABSTRACT:
A method of processing noise in image data by an image processor having a signal-processing portion converting an image signal from an image sensor into a digital signal and outputting the converted signal as image data for each frame, the image data indicating sets of pixel values each having a brightness at a corresponding one of coordinate points arranged in directions of rows and columns is disclosed. The method includes the steps of: extracting pixel values; deciding pixel value; finding autocorrelation coefficients of pixel values which are less than a first threshold value; and deciding random noise in the image.

REFERENCES:
patent: 7587099 (2009-09-01), Szeliski et al.
patent: 2003/0194110 (2003-10-01), Brodsky
patent: 2008/0144958 (2008-06-01), Lee
patent: 2002-135623 (2002-05-01), None
patent: 2006-148550 (2006-06-01), None
“Fundamentals of Solid-State Imaging Devices”, pp. 81-84, Nippon Rikoh Publishing Society.
Base of solid-state image sensor.

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