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英語タイトル Recognition System by Lip-Reading Method Using Active Contour Models and its Hardware Realization
日本語タイトル 動的輪郭モデルを用いた読唇システムのハードウエア実現について
著者
  1. Satoru Nakamura(中邨 覚)
  2. Takao Kawamura(川村 尚生)
  3. Kazunori Sugahara(菅原 一孔)
論文誌 電気学会電子回路研究会資料
ECT-06-120
ページ pp. 37-41
出版年 2006年12月
概要 Even in noisy environments such as in machinery factories or in crushes, it is hard to communicate with machinery equipments such as industrial robots. In such cases, lip shape movements are expected as excellent information to improve the performance of word recognitions. In this paper, a method to extract lip shapes from face images by using Active Contour Models is proposed. Normalization to reduce the effect of the lip size change depending on the distance from a camera to human faces is mentioned. A three-hierarchy Neural Network is used for the recognition method. The proposed method is implemented as hardware circuits in a FPGA chip. Experimental results of vowel recognition are shown to confirm effectiveness of the proposed method.
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