发明名称 Image processing device and image processing method
摘要 There is disclosed an image processing device for performing a conversion processing of image data, comprises an input unit for inputting image data, an enlargement/reduction magnification setting unit for setting an enlargement/reduction magnification of the image data inputted by the input unit, a data converting unit having a plurality of image data conversion tables and using one selected conversion table to convert the inputted image data to output data, and a table selecting unit for selecting the conversion table in accordance with the enlargement/reduction magnification set by the enlargement/reduction magnification setting unit. In the enlargement/output of the image by the image processing, the edge portion of output image can be prevented from being blurred by the enlargement processing. Moreover, in the reduction/output of the image, even when the reduction processing is performed, the reproducibility of intermediate gradation density fine lines in the input image can be enhanced.
申请公布号 US2004046974(A1) 申请公布日期 2004.03.11
申请号 US20030660613 申请日期 2003.09.12
申请人 CANON KABUSHIKI KAISHA 发明人 TAKURA KEIZO
分类号 G06T3/40;H04N1/393;(IPC1-7):H04N1/393;H04N1/409 主分类号 G06T3/40
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