提出一个基于多重曲率计算的角点检测算法，对联机手写汉字识别中的笔划拐点进行提取。
An algorithm for stroke corner detection based on curvature multi-calculation is proposed to extract characteristics for OLCCR (on-line handwritten Chinese character recognition).
隐式曲面多边形化的目标，是生成一个健壮的、随曲率指导的规则三角片网格。
The aim of implicit surface polygonization is to generate robust and curvature-related regular mesh.
它不仅影响机构的压力角，而且还影响其轮廓曲线的曲率半径。
It influences not only the pressure Angle of mechanism, but also the curvature of earn contoUrs.
用包络法导出了内齿轮的齿形方程，对压力角、曲率、拐点、顶切进行了详细分析，并给出了计算公式。
The equabions on tooth shape of internal gear by means of envelope method is derived and the pressure angle, inflection point, curvature, topcut are analysised in detail.
对于网格模型简化问题，本文提出了一种基于网格顶点曲率加权该顶点邻接三角形面积的顶点删除简化算法。
This algorithm removes vertices of the mesh according to the curvature of the vertex weighted by the area of the triangles which are adjacent to that vertex.
介绍了圆锥滚子蜗杆凸轮机构的轮廓曲面方程的建立、压力角和啮合曲面法曲率的计算过程。
This paper describes the establishing process of the equation of working profile curved surface of worm CAM mechanism, the calculation of its pressure Angle and normal curvature.
本文对摆动从动杆盘状凸轮机构的最大压力角和最小曲率半径问题进行了详细的讨论。
In this paper, the pressure Angle and minimal radius of curvature of CAM mechanism with swinging roller follower are discussed in details.
利用有限元软件，建立了跨径相同、曲率半径和圆心角以及支撑形式不同的弯梁桥计算模型。
The calculation models of curved beam Bridges with same span length, but different curvature radius, center angles and supporting forms are established by means of finite element software.
研究了三角网格模型上顶点曲率的估算方法，并用参数曲面的网格模型验证了曲率估算的精度。
The main contents are as follows:A vertex curvature estimation method for triangle mesh is researched and the accuracy of curvature estimation is verified by parameter surfaces.
根据光学三角原理，可以求出该夹角的大小，然后结合检测器的结构参数可以计算出管道相应位置的曲率半径。
The Angle can be calculated based on principle of optical triangulation and so the curvature of corresponding position based on structure parameters.
此外，还根据几何关系推导出了工件尖角部位渗碳后加工倒圆的最佳曲率半径公式。
In addition, according to the geometrical relation, the equation for calculating the most suitable transition radius of carburized corner parts was deduced.
本文主要讨论由上述因素引起的入射角、折射率、楔形度、厚度与曲率半径的比值对光学角偏差的影响，以利于生产工艺的控制。
The article mainly discusses optical angular deviation affected by angle of incidence, curvature, refractive index and unparalleled faces in order to modify the windscreen processing.
本文较为全面系统地推导了摆动滚子从动件圆柱凸轮的廓线、压力角及廓线曲率半径方程，并讨论了该种凸轮机构在各种运转情况下与之相适用的方程。
Mathematical formulas are derived comprehensively and systematically for the profile coordinate, pressure Angle and radius of curvature of the cylindrical CAM with an oscillating roller follower.
张力的变化对曲率半径的影响最大，成槽角及抬高角的变化对曲率半径的影响也较大。
The analytical results show that the influence of the variation of belt tension is most obvious, and that of the slotting angle and run-up angle are secondary on the curvature radius.
进行角点检测的关键是估算曲率。
Usually the key question of detecting corner points is how to calculate curvature.
同时，在自碰撞检测中，作者利用三角形表面曲率简化计算。
At the same time, the curvature of the triangles is introduced to minimize the number of self-intersections detection of the cloth.
此外，管线最大曲率、转角、最大应力和弯矩均发生在基坑端角部20%开挖长度的范围内。
Furthermore, the maximum value of curvature, Angle of rotation, stress and moment of flexure of pipeline all appear at the corner of pit with 20% excavation length.
角点检测的另一个途径是计算轮廓的曲率函数，因为角点是曲率函数的最大值，因此很容易通过阈值的方法检测出来。
Another way to corner detection is to calculate the contour of the curvature function, because the corner is the maximum curvature function, it is easy to pass the threshold used to detect them.
斜坡坡角在不影响其它性能时越小越好，若能使斜坡始点与船底接触处曲率梯度为零最好。
On the condition of no influence on other performances, smaller Angle of ramp is better. It is best that the gradient between the start point of ramp and the bottom of ship is zero.
通过设计扩散系数为梯度模及曲率的函数，提出了一种保护角点的非线性扩散滤波模型。
A corner preserving nonlinear diffusion filter is proposed, whose diffusion coefficient is the function of the gradient and the curvature.
通过设计扩散系数为梯度模及曲率的函数，提出了一种保护角点的非线性扩散滤波模型。
A corner preserving nonlinear diffusion filter is proposed, whose diffusion coefficient is the function of the gradient and the curvature.
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