Image processing apparatus and determination method

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United States of America Patent

PATENT NO 8873112
SERIAL NO

13609730

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Abstract

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A signal value representing at least one of a plurality of types of optical characteristics are calculated for each pixel from the read signal obtained and output by reading light reflected by a document placed on a document table and a document table cover while the document is covered with the cover. It is determined, based on the signal value calculated, whether or not a target pixel is a pixel in a document region. A document region is detected from the determination result.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHATOKYO 146-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Masao Kawasaki, JP 230 4194
Kato, Minako Kawasaki, JP 80 953
Mochizuki, Yugo Kawasaki, JP 33 178
Nakamura, Takashi Yokohama, JP 845 11645
Suwa, Tetsuya Yokohama, JP 104 1246

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