Method for binarizing a digital gray value image to generate a binarized gray value image and arrangement for carrying out said method
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United States of America Patent
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Nov 22, 2011
Grant Date -
Feb 21, 2008
app pub date -
Jun 8, 2007
filing date -
Jun 9, 2006
priority date (Note) -
Expired
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Abstract
A method for binarizing a digital gray value image includes generating a binary edge image from the gray value image so as to cause existing edges to be determined as line areas around an edge; and, thereafter, computing a mean value of gray values of the gray value image in all regions which correspond to the line areas around an edge of the binary edge image with the mean value defining a threshold value for the generation of a binarized gray value image.
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