Image processing apparatus, image processing method and image processing program for rendering pixels transparent in circumscribed areas
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United States of America Patent
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Dec 1, 2009
Grant Date -
Jun 12, 2003
app pub date -
Dec 10, 2002
filing date -
Dec 11, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
An improved image processing technology capable of obtaining a synthesized image file having high reproducibility without causing missing image parts due to partial or complete overlap among extracted areas when a document image file is created via synthesis of character, graphic and photograph areas that have been extracted from image data obtained via reading of an original document and that have been subjected to image processing. According to this image processing technology, circumscribed rectangular areas for each effective image area of image data is extracted while complementing pixels other than pixels comprising the effective image area using prescribed complementary pixels, and the complementary pixels for the extracted areas are rendered transparent.
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