본 논문에서는 면 축약 방식을 이용하면서 3D 모델의 체적이 보존되는 메쉬 간략화 알고리즘을 제안하였다. 면 축약은 축약 대상 삼각형의 세 정점을 새로운 정점 하나로 모아 한 번에 4개의 면을 제거함으로써 에지 축약에 비해 빠른 간략화를 수행하는 방식이다. 어떤 방식이든 어느 면 또는 에지부터 축약할 것인가 하는 간략화 우선순위 척도가 매우 중요한데, 본 논문에서는 면 축약에 있어서 최근 제시되었던 한 방법의 문제점을 지적하고 이를 보완한 새로운 가중치 함수를 사용하여 축약 우선순위를 결정하였다. 또한 축약 대상 삼각형들을 대신할 새로운 한 정점을 결정하는데 있어서 체적이 보존되면서 삼각형 세 정점 주변의 곡률 차이 등을 반영할 수 있는 체적 기준점을 결정하는 새로운 방법을 제시하였다. 시뮬레이션을 통하여 본 논문에서 제시한 방식이 체적을 보존하면서 기존의 다른 방식에 비해 뒤지지 않는 축약 성능을 보여주는 것을 확인하였다.
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