Local Feature Analysis(LFA)는 눈, 코, 턱 그리고 볼과 같은 얼굴의 지역적 특징을 잘 추출하는 것으로 알려져 있으나, 얼굴 인식에 이용하기에는 몇 가지 문제점이 있다. 본 논문에서는 LFA의 문제점을 개선하여 인식에 적합한 새로운 얼굴 특징 추출 방법을 제안한다. 제안 방법은 kernel 생성, 선택 그리고 중첩의 3 단계로 이루어진다. 첫 번째 단계에서 얼굴의 지역적 특징을 검출할 수 있는 kernel물 생성하고, 두 번째 단계에서 인식에 적합한 kernel을 선택한다. 마지막으로 선택된 kernel을 중첩시켜 적은 개수의 조밀한 형태의 kernel로 재 표현한다. 실험을 통하여 제안 방법이 적은 개수의 특징을 이용하여 좋은 인식율을 보임을 확인하였다.
KSP Keywords
Local feature analysis
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