Digital color correction method

A method for carrying out a color correction in a digital manner in a picture reproducing machine such as a color scanner, a color facsimile, or the like, which is capable of saving a large volume of capacity of a memory, wherein a resultant value obtained from a combination of color separation sign...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ATOJI, HITOMI, YAMADA, MITSUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CALCULATING CINEMATOGRAPHY COLORIMETRY COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MATERIALS THEREFOR MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION RADIATION PYROMETRY TESTING
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Beschreibung
Zusammenfassung:	A method for carrying out a color correction in a digital manner in a picture reproducing machine such as a color scanner, a color facsimile, or the like, which is capable of saving a large volume of capacity of a memory, wherein a resultant value obtained from a combination of color separation signals which are obtained by scanning photoelectrically a color original picture, is represented in a plane coordinate system, and wherein the coordinates of the resultant value are transformed in order to correct hue and saturation by operating the color separation signals together with factors predetermined, thereby obtaining a combination of color-corrected color separation signals.