COLOR SIGNAL EMPHASIZING/DE-EMPHASIZING CIRCUIT

A color signal emphasizing/de-emphasizing method and apparatus are for outputting image data scanned from the target image in every pixel on a color print or a color display by means of three principle color signals. This method and apparatus are intended to obtain a desired hue variation or color s...

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Bibliographische Detailangaben
Hauptverfasser:	TOKUMARU, SUSUMU, HATABE, ETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A color signal emphasizing/de-emphasizing method and apparatus are for outputting image data scanned from the target image in every pixel on a color print or a color display by means of three principle color signals. This method and apparatus are intended to obtain a desired hue variation or color saturation by emphasizing/de-emphasizing one of the three principle color signals. The three principle colors are classified into a primary color portion signal, a secondary color portion signal and tertiary color portion signal. These designated signals of color portions are respectively multiplied by color coefficients predetermined for each designated signal. Finally, a corrected color signal is obtained by summing up these multiplied signals in every principle color.