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한상일(Sang-Il Hahn),구교식(Kyo-Sik Koo),서보국(Bo-Guk Seo),차형태(Hyung-Tai Cha) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.7
In this paper, we present a detection method of facial angle using facial features. First, it finds face image using haar-like feature. After that, it finds eyes and lip in need of compute of face rotation angle. Next, it makes a triangle by using the facial features and computes the inside angle. As a result of experiment on various face images, the proposed method improves the efficiency much better than the conventional methods below 40°.