Method for calibrating deviation of OECFs and apparatus thereof

Details Method for calibrating deviation of OECFs and apparatus thereof Method for calibrating deviation of OECFs and apparatus thereof

2007-06-26

2007-06-26

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S252100, C382S254000

Reexamination Certificate

active

11161305

ABSTRACT:
A method suitable for calibrating the deviation of opto-electronic conversion functions (OECFs) in an imaging apparatus is provided. The method of calibrating the deviation of OECFs comprises the following steps. First, the imaging apparatus captures a first image. Next, the imaging apparatus performs an image calibration process with respect to the first image to capture a second image and simultaneously obtain an OECF set. The OECF set includes at least an optical characteristic value of the second image and at least an electrical characteristic value of the imaging apparatus. Finally, the aforementioned steps are repeated to obtain a number of images and their corresponding OECF sets.

REFERENCES:
patent: 6768509 (2004-07-01), Bradski et al.
patent: 2003/0044144 (2003-03-01), Nelson et al.
patent: 2003/0142374 (2003-07-01), Silverstein
patent: 2004/0108448 (2004-06-01), Bosser

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