A Proposal and Implement of Detection and Reconstruction Method of Contact Shape with Horizon View Camera for Calligraphy Education Support System

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  • 習字教育支援システムのためのＨｏｒｉｚｏｎ　Ｖｉｅｗ　Ｃａｍｅｒａを用いた筆あと計測手法の提案と実装
  • シュウジ キョウイク シエン システム ノ タメ ノ Horizon View Camera オ モチイタ フデ アト ケイソク シュホウ ノ テイアン ト ジッソウ

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In this study, we are concerned with calligraphy education support system. In current calligraphy education in Japan, teachers evaluate character written by students and they teach correct writing process based on the evaluation of the written character. Professionals in calligraphy can estimate writing process of character and balance of character which are important points for evaluation of character by estimating movement of contact shape (contact faces with paper and brush). But it takes a lot of time for students to be able to learn how to write correct character in this education way. If teachers and students can know movement of the contact shape, calligraphy education will be more efficient. However, it is difficult to detect contact shape from an images captured by cameras set in general angle. Because brush and ink are black either. So, contact shape is hided under the brush. In this paper, we propose new camera system consists of four Horizon View Cameras (HVC) which are special camera setting to detect and reconstruct contact shape, experiment with this system, and compare movement of contact shape of professionals and amateurs.

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