본 논문에서는 패치매치 기법 및 분할 기법의 조밀 깊이지도들의 효율적인 결합을 통해 기존의 패치매치 기반의 방법들이 낮은 깊이값 추정 정확도를 보인 영역들인 텍스처가 부족한 영역과 기존의 분할 기반 방법들이 깊이값 추정에 한계를 보인 세밀한 영역에서의 깊이값 추정 정확도를 동시에 높이고 고품질의 조밀 깊이지도를 얻는 것을 목표로 한다. 이를 위해 제안한 방법에서는 신뢰지도를 바탕으로 패치매치 기법의 조밀 깊이지도, 조밀 노말지도와 분할 기법의 조밀 깊이지도, 조밀 노말지도의 초기 결합 깊이지도 및 초기 결합 노말지도를 생성한다. 이후 각 픽셀에서 원래 픽셀과 주변 픽셀에서의 깊이값, 노말값들로 업데이트를 위한 후보들을 만든다. 이후 각각의 후보들에 대해서 깊이값, 노말값, 컬러값들을 바탕으로 비용을 계산한다. 이후 가장 최적의 비용을 가지는 후보값으로 각 픽셀의 깊이값과 노말값을 업데이트한다. 이를 통해 패치매치 기법 및 분할 기법의 조밀 깊이지도들의 장점을 합친 결합 조밀 깊이지도를 생성한다.
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