SCHAERFEBETONUNGSVERFAHREN UND -VORRICHTUNG ZUR VERWENDUNG IN EINEM BILDREPRODUKTIONSGERAET

申请公布号：DE3016978(A1)

申请号：DE19803016978

申请日期：1980.05.02

申请公布日期：1980.11.20

申请人：

DAINIPPON SCREEN SEIZO K.K.

发明人：ATOJI,HITOMI;KUNISAWA,MASUO;HIRATA,ATSURO;ARAKI,YASUAKI

分类号：G03F1/00;G03F3/08;H04N1/00;H04N1/409

主分类号：G03F1/00

摘要：A sharpness emphasizing method and machine used in a picture reproducing machine such as a color separator, wherein a sharpness emphasizing signal is prepared from a main signal and an unsharp signal, which are obtained by scanning an original picture, in a sharpness emphasizing signal circuit, wherein a corrected sharpness emphasizing signal is selectively produced from the sharpness emphasizing signal depending on the leap of the unsharp signal in a sharpness emphasizing component pickup circuit, and wherein the corrected sharpness emphasizing signal is added to the main signal in a composer circuit, thereby obtaining a picture signal whose sharpness is emphasized in its detail portions.

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