CALIBRATION METHOD OF AN IMAGE-CAPTURE APPARATUS
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United States of America Patent
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app pub date -
Aug 31, 2006
filing date -
Jun 19, 2001
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Abandoned
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Abstract
The present invention provides a calibration method used in an image-capture apparatus. The method comprises providing a calibration chart not built in the image-capture apparatus. Users can select any kind of calibration chart by themselves. The calibration chart consists of pixels arranged in a two-dimensional array, which can prevent dark lines on the output of a scanned article. The information of the calibration chart is captured by the image-capture apparatus and then subjected to a correction means, such as a low-pass filter, whereby corrects aberrance of the information.
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