2) pointvector method
点向量法
3) vertex position and normal vector interpolation
型值点和法向矢量插值
4) PCCR
瞳孔-角膜反光点向量法
1.
Based on the theory of pupil center corneal reflection(PCCR),the authors improved and realized a high efficient linear prediction algorithm for the real-time image-processing.
在瞳孔-角膜反光点向量法(PC-CR)的基础上,提出了高效的基于最佳线性逼近预测的实时眼动跟踪算法。
5) view direction
视点向量
6) knot vector
节点向量
1.
In this paper a new interpolation method for quadratic B-spline curves is proposed so as to fully utilize the degrees of freedom provided by parameterization and knot vector to control the shapes of the interpolation curves intuitively by the tangent constraints on data points.
利用数据点的参数化和节点向量的自由度,构造在各数据点满足切向约束的二次B样条插值曲线,直观地控制插值曲线达到预期形状。
2.
According to the location and size of the final mapping graph on the NURBS surface,the knot vectors and limit parameters of the surface are modified to match the planar graph,then all the elements in the planar graph are inserted into the parameter domain of the surface.
基于曲面外形设计或选取适当的平面图形,求出平面图形在坐标平面内的极限位置,根据曲面上映射图形的位置和大小对NURBS曲面的节点向量和首末参数进行调整,将平面图形嵌入NURBS曲面参数域的相应位置,利用NURBS理论将平面图形从曲面参数域映射到曲面。
补充资料：点法
点法
点法 推拿手法名。见《保生秘要》。指作用面积小而用力较重的按压法。参见按法及压法条。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条