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류재헌,송병하 대한건축학회 2001 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.21 No.2
The purpose of this study was to analyze the space of residential lobby, representative of community space in a high-rise commercial-residential complex. The space of residential lobby was analyzed on the following basis: 1) (spatial) arrangement of lobby, 2) compositional elements, and 3) indication of boundary. The seven complexes analyzed are regarded as typical type of commercial-residential complex built in the Seoul are a during the 90's.
자기공명 영상을 이용한 피부 움직임 에러 분석에 관한 연구
류재헌(Jae Hun Ryu),Natsuki Miyata,Makiko Kouchi,Masaaki Mochimaru,이관행(Kwan H. Lee) Korean Society for Precision Engineering 2004 한국정밀공학회지 Vol.21 No.8
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.