한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)

  • 제21권8호
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  • Pages.164-170
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  • 2004
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  • 1225-9071(pISSN)
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  • 2287-8769(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
권호 표지

자기공명 영상을 이용한 피부 움직임 에러 분석에 관한 연구

Analysis of Skin Movement Artifacts Using MR Images

  • 류재헌 (광주과학기술원 기전공학과 Intelligent Design ＆ Graphics 연구실) ;
  • ;
  • ;
  • ;
  • 이관행 (광주과학기술원 기전공학과 Intelligent Design ＆ Graphics 연구실)
  • ;
  • N. Miyata (Digital Human Research Center, AIST(National Institute Advanced Industrial Science and Technology) ;
  • M. Kouchi (Digital Human Research Center, AIST(National Institute Advanced Industrial Science and Technology) ;
  • M. Mochimaru (Digital Human Research Center, AIST(National Institute Advanced Industrial Science and Technology) ;
  • 발행 : 2004.08.01
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초록

The skin movement artifacts are referred to as the relative motion of skin with respect to the motion of underlying bones. This is of great importance in joint biomechanics or internal kinematics of human body. This paper describes a novel experiment that measures the skin movement of a hand based on MR(magnetic resonance) images in conjunction with surface modeling techniques. The proposed approach consists of 3 phases: (1) MR scanning of a hand with surface makers, (2) 3D reconstruction from the MR images, and (3) registration of the 3D models. The MR images of the hand are captured by 3 different postures. And the surface makers which are attached to the skin are employed to trace the skin motion. After reconstruction of 3D models from the scanned MR images, the global registration is applied to the 3D models based on the particular bone shape of different postures. The results of registration are then used to trace the skin movement by measuring the positions of the surface markers.

키워드

참고문헌

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