发明名称 Image processing apparatus
摘要 An image processing apparatus has a function of enlarging or reducing an image which is processed by a certain magnification. A modulation transfer function (MTF) correction circuit is provided in the image processing apparatus and the correction quantity or filter characteristic of this MTF correction circuit is automatically changed depending on a change in the magnification.
申请公布号 US4969051(A) 申请公布日期 1990.11.06
申请号 US19890336459 申请日期 1989.04.07
申请人 RICOH COMPANY, LTD. 发明人 SASAKI, TOMIO
分类号 G06T3/40;H04N1/393 主分类号 G06T3/40
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