Image processing apparatus, line detection method, and computer-readable, non-transitory medium
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United States of America Patent
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Oct 13, 2015
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May 16, 2013
app pub date -
Sep 7, 2012
filing date -
Nov 11, 2011
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Abstract
There are provided an image processing apparatus, line detection method and a computer-readable, non-transitory medium that can precisely detect boundaries of a document from a read image. The image processing apparatus includes an edge pixel extractor for extracting edge pixels from an input image, a line candidate detector for extracting a line candidate from the extracted edge pixels by using Hough transformation, and a line detector for detecting a line from edge pixels within a predetermined distance from the line candidate by using the least square method.
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