Image generating apparatus and method
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United States of America Patent
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Apr 3, 2012
Grant Date -
Aug 20, 2009
app pub date -
Jan 13, 2009
filing date -
Feb 19, 2008
priority date (Note) -
Expired
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Abstract
There are provided an image generating apparatus and an image generating method, which are capable of generating an image with only a noise portion reliably deleted. A reduced image is generated by reducing the multi-valued image, smoothing processing is executed on the reduced image, an edge image is generated from the reduced image, edge angle information concerning edge angles is generated in pixel units from the edge image, a synthesizing rate of the multi-valued image and the smoothed reduced image is calculated in pixel units of the reduced image based upon the edge angle information. An enlarged image is generated by enlarging the smoothed reduced image to an identical scale, the synthesizing rate calculated in pixel units of the reduced image is converted into a synthesizing rate in pixel units of the enlarged image, and the multi-valued image and the enlarged image are synthesized based upon the converted synthesizing rate.
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