Abstract

귀 영역 검출은 무구속 귀 인식 시스템에서 중요한 요소 중에 하나이다. 본 논문에서는 얼굴 측면 영상에서의 귀 영역 검출방법을 제안한다. 제안하는 방법은 모양정보와 색상정보를 활용하는 인간의 인식과정을 모방하여 만들었다. 먼저 획득된 영상에서 피부색을 이용하여 얼굴영역을 검출하고, 검출된 얼굴영역에서 에지정보를 이용하여 귀후보 영역을 검출한다. 그리고 실제 귀영역인지를 검증하기 위해서는 통계적 학습 이론에 근거한 SVM(Support Vector Machine)을 이용한다 제안된 방법은 조명이 안정적인 실내 환경에서 높은 검출율을 보였다. Ear detection is an important part of an non-invasive ear recognition system. In this paper we propose human ear detection from side face images. The proposed method is made by imitating the human recognition process using feature information and color information. First, we search face candidate area in an input image by using 'skin-color model' and try to find an ear area based on edge information. Then, to verify whether it is the ear area or not, we use the SVM (Support Vector Machine) based on a statistical theory. The method shows high detection ratio in indoors environment with stable illumination.

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