Image analysis – Applications – Manufacturing or product inspection
Reexamination Certificate
2007-11-28
2011-12-06
Carter, Aaron W (Department: 2624)
Image analysis
Applications
Manufacturing or product inspection
C356S237100, C348S246000
Reexamination Certificate
active
08073236
ABSTRACT:
A system for detecting blemishes on an image sensor package includes an initialization module configured for initializing a suspected blemish standard mean value range and a blemish standard deviation value; an image capturing module configured for capturing an image produced by the image sensor package and acquiring a brightness value of each of pixels of the image; a calculation module configured for calculating a mean value and a standard deviation of differences of brightness values of a pixel and any other pixels surrounding the pixel; a comparison module configured for respectively comparing the mean value and the standard deviation with the suspected blemish standard mean value range and the blemish standard deviation value; and a marking module configured for marking the suspected blemish which is inside the suspected blemish standard mean value range and the blemish which is larger than the blemish standard deviation value.
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Peng Lei
Wang Jiang-Ping
Altis Law Group, Inc.
Carter Aaron W
Hon Hai Precision Industry Co. Ltd.
Premier Image Technology (China) Ltd.
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