Method of and apparatus for extracting image contour data

A partial image section is set as including part of a contour line of a particular image area in an original image appearing on a display screen. An image in the partial image section is binarized by referring to a selected threshold level. A boundary of the resulting binary image is detected for ex...

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Bibliographische Detailangaben

Hauptverfasser:	NAKAGAWA,HARUO, OSAWA, IKUO, KOHNO, HIROFUMI, D.S. TECHNICAL RESEARCH CO.,LTD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CALCULATING CINEMATOGRAPHY COMPUTING COUNTING ELECTROGRAPHY HOLOGRAPHY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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