Stray light correction method for imaging light and color...

Details Stray light correction method for imaging light and color... Stray light correction method for imaging light and color...

2005-12-13

2005-12-13

Shah, Sanjiv (Department: 2625)

Image analysis

Image enhancement or restoration

C382S274000, C358S518000

Reexamination Certificate

active

06975775

ABSTRACT:
A stray light correction method for image light and color measurement system, uses a solid-state light detector array such as a charge-coupled device to record an image, so that a gray level value for each pixel of the solid-state light detector array is obtained. An average gray level value of the solid-state light detector array is calculated based on the gray level value for each pixel. The average gray level value is further multiplied with a stray light factor to obtain a correction value. The gray level value of each pixel is then subtracted with the correction value, such that the stray light effect can be eliminated.

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