FREQUENCY-ADAPTIVE DESCREENING METHOD AND DEVICE FOR PERFORMING SAME
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Jan 14, 2016
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Jan 14, 2015
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A frequency adaptive descreening method includes obtaining a scan image of an original document, dividing a region of the scan image by analyzing frequency characteristics of the obtained scan image, estimating a resolution with respect to each of regions resulting from dividing the region according to the analyzed frequency characteristics, and adaptively performing filtering on the regions resulting from dividing the region by using the estimated resolution.
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