Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system
作者： Shigeo Kurotaka , Michiyoshi Tachikawa , Toshiya Hikita , Yoshio Kaneko , Hiromi Okubo
DOI:
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摘要: An original image comprises a printed region on which predetermined matter is realized and background no realized. The shape of peripheral zone in the region, exists particularly at said image. It determined whether or not special document by detecting zone. Further, has an outer-frame having shape, determination carried out using result measuring width region. along direction substantially perpendicular to extending outline
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