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논문 기본 정보

저자정보
(서울여자대학교) (서울여자대학교) (한국과학기술원) (서울여자대학교)
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한국멀티미디어학회 멀티미디어학회논문지 멀티미디어학회논문지 제19권 제12호
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    초록·키워드

    In this paper, we propose an automatic hierarchical organ segmentation method on abdominal CT images. First, similar atlases are selected using bone-based similarity registration and similarity of liver, kidney, and pancreas area. Second, each abdominal organ is roughly segmented using image-based similarity registration and intensity-based locally weighted voting. Finally, the segmented abdominal organ is refined using mask-based affine registration and intensity-based locally weighted voting. Especially, gallbladder and pancreas are hierarchically refined using location information of neighbor organs such as liver, left kidney and spleen. Our method was tested on a dataset of 12 portal-venous phase CT data. The average DSC of total organs was 90.47±1.70%. Our method can be used for patient-specific abdominal organ segmentation for rehearsal of laparoscopic surgery.

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      UCI(KEPA) : I410-ECN-0101-2017-004-001994833