시선추적 인터페이스는 다른 감각기관에 비해 빠른 반응속도를 보이므로 효과적인 인터랙션 수단으로 활용가능하며, 이를 통해 사용자 경험을 향상시킬 수 있다. 따라서 시선추적 기술은 장애인 안구마우스, 운전자 시선정보 분석, 광고 효과 모니터링, 차세대 게임 등 다양한 분야에 활용될 수 있다. 본 논문에서는 시선추적 인터페이스의 정확도를 향상시키기 위한 기술을 소개한다. 실제 사용자를 대상으로 시선추적을 수행할 때 눈꺼풀로 인한 동공 가림 현상이 자주 발생하며, 각막반사광으로 인한 동공 경계 왜곡 현상이 발생하기도 한다. 이로 인해 동공 중심이 왜곡되어 시선위치에 오류가 발생한다. 이와 같은 문제점을 개선하기 위해 눈꺼풀 및 각막반사광으로 인한 왜곡 현상을 보정하여 동공 중심을 검출하는 방법을 제안한다.
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