Journal of KIISE:Software and Applications (한국정보과학회논문지:소프트웨어및응용)

Korean Institute of Information Scientists and Engineers (한국정보과학회)
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Bone Segmentation Method of Visible Human using Multimodal Registration

다중 모달 정합에 의한 Visible Human의 뼈 분할 방법

  • 이호 (서울대학교 전기.컴퓨터공학부) ;
  • 김동성 (숭실대학교 정보통신전자공학과) ;
  • 강흥식 (서울대학교 의과대학)
  • Published : 2003.08.01
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Abstract

This paper proposes a multimodal registration method for segmentation of the Visible Human color images, in which color characteristics of bones are very similar to those of its surrounding fat areas. Bones are initially segmented in CT images, and then registered into color images to lineate their boundaries in the color images. For the segmentation of bones in CT images, a thresholding method is developed. The registration method registers boundaries of bodies in CT and color images using a cross-correlation approach, in which the boundaries of bodies are extracted by thresholding segmentation methods. The proposed method has been applied to segmentation of bones in a head and legs whose boundary is ambiguous due to surrounding fat areas with similar color characteristics, and produced promising results.

본 논문에서는 Visible Human 컬러 단면 영상에서 인접한 지방 영역과 색상 특성이 유사하여 구별이 매우 힘든 뼈 영역을 분할하기 위해 다중 모달 정합 방법을 제안한다. 뼈와 그 인접영역의 구별이 뚜렷한 CT 영상에서 뼈를 분할하고 두 영상의 정합을 이용하여 컬러 영상에서 최종 뼈 분할을 수행한다. CT 영상에서 뼈의 분할 방법은 임계값 기반 방법을 사용하였고, 정합은 두 영상에서 신체 부위를 임계값 기반의 방법을 사용하여 분할된 객체들의 경계를 상호 상관관계(cross-correlation)방법을 사용하여 수행하였다. 제안된 방법은 Visible Human 컬러 단면 영상 중에 뼈와 인접 지방이 유사하여 그 분할이 어려운 머리부위와 다리부위에 적용하여 고무적인 결과론 얻었다.

Keywords

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