摘要
三维人体建模是计算机人体动画、人机系统计算机仿真等系统首要解决的问题之一。三维人体建模首先要建立逼真的人体模型，同时要考虑人体模型的动态特征。本文建立了三维人体曲面模型，在模型中将人体分成数个节段，每一个节段用双三次Ｂ样条曲面表示，相邻节段用过渡面拼接。在模拟人体的动态特征时，使用了轴变形方法。应用轴变形方法模拟人体的各种动作非常容易。
odelingofthehumanbodyisabasicprobleminhuman-machinesystemsimu lation.InthisstudyaB-splinesurfacemodelofthehumanbodywasestablished.Inthemodeling,humanbodyissplitintoseveralsegmentsandeachsegmentisacubicB-splinesurface.Ablendsurfacewasusedtolinktwojointedsegments.Itiseasytosimulatethemo tionofthehumanbodybyusingthealgorithmofaxialdeformation.Abstract Modeling of the human body is a basic problem in human-machine system simulation.In this study a B-spline surface model of the human body was established.In the modeling,human body is split into several segments and each segment is a cubic B-spline surface.A blend surface was used to link two jointed segments.It is easy to simulate the motion of the human body by using the algorithm of axial deformation. Key words man-machine systems surface modeling deformation computerized simulation Address reprint requests to WEI Bin.Institute of Man-Machine-Environment System,Beijing University of Aeronautics & Astronautics,Beijing 100083,China
出处
《航天医学与医学工程》
CAS
CSCD
1997年第6期443-446,共4页
Space Medicine & Medical Engineering
关键词
人-机系统
曲面模型
变形
计算机模型
man-machine systems
surface modeling
deformation
computerized simulation
