1.引言人脸建模与动画(face modeling and animation)是计算机图形学中最富有挑战性的课题之一。这是因为:首先,人脸的几何形状非常复杂,其表面不但具有无数细小的皱纹,而且呈现颜色和纹理的微妙变化,因此建立精确的人脸模型、生成真实感人脸非常困难;其次,脸部运动是骨骼、肌肉、皮下组织和皮肤共同作用的结果,其运动机理非常复杂,因此生成真实感人脸动画非常困难;另外,我们人类生来就具
Grid computing is a new field which distinguished from conventional distributed computing by its focus on large-scale virtual organizations resources sharing. T
With the evolution of network and communication technology,Web service management has been a hot topic for the last couple of years. Firstly this paper introduc
This paper analyzes and studies the form and the ability of the Chemical Abstract Machine, or CHAM, ondescribing the system software architecture. After some ex