Involute curve contour lines is an important one machine parts.
渐开线是机器零件中重要轮廓曲线之一。
Parameter programming has been applied to extensive practice fields, especially for milling curve contour of equation or milling and sphere surface as manual programming.
参数编程在生产实践中有着广泛的应用，尤其在手工编写铣削方程曲线轮廓和球面时更为常用。
A new feature-points extraction algorithm is proposed, which USES least square method fitting contour curve and combines slope, curvature information to extract feature-points.
提出一种新的轮廓特征点提取方法，它利用最小二乘法拟合轮廓曲线，结合斜率、曲率信息提取特征点。
When fitting each contour line, the points measured by non - contact measuring system are as the top points about control polygon for forming EE spline curve.
在拟合每个轮廓线时，先用非接触测量系统测出的数据反算出ee样条曲线控制多边形的顶点。
The potential force field act mainly on model when contour curve close target region edges.
同时当轮廓曲线到目标区域附近时发挥梯度场较精确的优点。
In this way, first of all the machined contour curve must be divided in many micro-sections of line or arc, and then node coordinates are found.
这样首先必须将要加工的轮廓曲线划分成微小的直线段或圆弧段，而后求出其节点坐标。
After comparing several common CAD modeling methods, the cubic parameter-spline curve is used to approach and interpolate discrete contour of usual and complicated rocket jet.
通过对几种常用的CAD造型方法的比较，对常用而复杂的喷管离散点型轮廓段的拟合插值采用三次参数样条曲线来完成。
Geometric active contour model has many advantages over parametric active contour model, such as computational simplicity and the ability to change curve topology during deformation, et al.
相对于参数活动轮廓模型，几何活动轮廓模型具有很多的优点，如计算的简单性和在变形的过程中能够处理曲线的拓扑变化，等等。
This paper introduces a practiced method of calculating the tracer contour data of YX-173A cam milling machine from the discrete curve of brake cam contour, based on the copying principle.
应用连续曲线离散化思想，介绍了一种从已知工件轮廓曲线出发，按加工成形原理计算出YX-173A专用凸轮铣床仿形靠模轮廓数据的实用方法。
The technology on obtaining mesh is in detail discussed based on the contour curve.
基于轮廓曲线，详细探讨了网格生成技术。
Based on the established theories, the DCSS or CSS image for a given contour curve is transformed into a tree organization, and then corners on the curve are detected in a multiscale sense.
基于所建立的理论，可以将给定轮廓曲线的DCSS图象或CSS图象转化为一种树形结构图，并据此检测曲线上的角点。
The approximating method of NURBS curve is in detail discussed based on the section contour data.
基于截面轮廓数据，详细探讨了NURBS曲线的拟合方法。
A new adaptive method about curve interpolation is proposed, which can automatically adjust step-length of motion and confine the contour error within a given tolerance.
本文给出了一种新型自适应曲线插补方法。即根据弓高误差自动调整进给步长，同时将轮廓误差限定在允许范围之内的参数曲线实时插补方法。
The developed method was applied to one oil and gas storage area. Individual risk contour and social risk F-N curve were established by the developed calculating software.
通过分析计算，给出了该区域的个人风险等值线分布图和社会风险（F-N）曲线。
A special contour machining method of high precision non linear CAM curve is presented in this paper.
介绍了一种特殊的仿形加工高精度非线性凸轮曲线的方法。
The prior region constrains the zero level set evolving in certain region and the prior shape pulls the curve to the ideal contour.
先验区域限制水平集在特定区域迭代，先验形状使曲线向理想轮廓演化。
Second we present the convolution surface and curve correspondence theorem under orthogonal projection, which provide a bridge between 2D image contour and 3D human model.
本文提出了正交投影下卷积曲面和曲线对应的概念和相关定理，为二维的图像轮廓和三维人体模型之间的架起一道桥梁；
From the view of application of Lifting Scheme, the fitting curve can contain more low frequency components of a specific data's contour than the interpolating curve.
从提升格式的应用来说，数据的拟合曲线比数据的插值曲线更能代表数据包络线的低频成分。
This novel contour curve of the stator transition zone can be made to adjust many parameters. and satisfy the full requirements of double-acting vane pumps of high-performance.
这种新型定子过渡曲线可对多个参数进行调查，能最大限度地满足高性能叶片泵的要求。
But from a random 3d model of their corresponding contour curve and its various point coordinates?
但如何从一个任意的三维空间模型得到其相应的轮廓曲线和其各点的坐标值呢？
Based on topological neighborhood information of triangular mesh model, cross-section contour curve was extracted rapidly;
基于三角网格模型的拓扑邻接信息，快速提取截面轮廓曲线；
The cam contour curve was obtained through coordinate transformation method. It offers references for dynamic simulation and the programming of numerical-control machining for cam mechanism.
利用坐标变换的方法得到的凸轮轮廓线可为凸轮机构的动力学仿真和数控加工编程提供依据。
The contour line of human brain was simulated by the curve-fitting methods and then the inner area was discretized by advancing-front methods which was improved at last.
利用曲线拟合方法模拟大脑外形轮廓曲线，然后采用波前法完成曲线内部区域的离散化，并对波前法提出了改进措施。
It is a kind of to change downy curve for contour line for contour line of bottle classes.
它是一种以变化柔和的弧线为轮廓线为轮廓线的瓶类。
A simple but efficient algorithm for separating head and shoulder is proposed based on searching for the greatest degree turning point in head shoulder contour curve.
提出一种简单而高效的基于查找人头肩像轮廓最大转折点的头肩分离算法。
After smoothing the curve, the curvature of every point of the contour is calculated.
对此轮廓线逐点计算曲率得到曲率线。
After smoothing the curve, the curvature of every point of the contour is calculated.
对此轮廓线逐点计算曲率得到曲率线。
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