Defect detecting device, image sensor device, image sensor module, image processing device, digital image quality tester, and defect detecting method

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United States of America Patent

PATENT NO 7783103
APP PUB NO 20070071304A1
SERIAL NO

11526780

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Abstract

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A defect detecting device includes: a block generating section dividing an inspection image in which a defective region will be detected into a plurality of blocks; an intra-block sum calculating section calculating an intra-block sum for each of the blocks generated by the block generating section, the intra-block sum being a sum of pixel data for pixels in that block; and a statistical processing section and a defect determining section determining whether there exists a defective region by determining through statistical processing whether the intra-block sums have an outlier. Accordingly, the device determines whether there is a defective region in a digital image quickly and using small circuitry.

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Patent Owner(s)

Patent OwnerAddress
SHARP KABUSHIKI KAISHASAKAI CITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ichihara, Hideyuki Hiroshima, JP 5 119
Kuchii, Toshimasa Nara, JP 5 55

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