首先,本文基于连续边缘曲面的连通特性,提出了一个三维图像中阶梯型边缘曲面的检测与追踪算法。
Firstly, a new surface detecting and tracing algorithm is proposed in this dissertation based the connectivity characteristics of the edge surface.
让我们看一种曲面的边缘。
而蹦床边缘的轻物体,比如网球,将沿着曲面移向保龄球-就像行星围绕着太阳运行。
A light object, like a tennis ball, on the edge of the trampoline will follow a curved path toward the bowling ball - like a planet orbiting the sun.
为了在曲面屏幕上正确的显示图像,需要在投影前实时地对图像进行几何校正和边缘融合。
The image should be corrected by geometric calibration and edge-blending before projection in order to display image on the curved plane screen correctly.
使用UML技术,采用核心→边缘、主干→细化的螺旋式功能设计方式,使得所设计的曲面造型系统的各种功能拥有比较清晰的层次性。
UML technology-based augertype functional design method of"core to edge"and"trunk to refined"was adopted to make every function of the surface modeling system a comparatively well-defined arrangement.
求解寻迹方程,便得到曲面绕射线的轨迹和边缘绕射点的位置,从而可以计算它的绕射场。
By solving these equations, the diffraction trace of a curved surface and the position of the edge's diffraction point are determined so that the diffraction field can be obtained.
在深入研究上述方法的基础上,提出了一种自由曲面的非接触自动测量方法,介绍了测量系统的构成、曲面边缘的提取、自动扫描方式的规划以及测头跟踪方式等设计要点。
On the basis of a thoroughgoing study of the above methods, a non contact method for measuring free form surface automatically is given, and some key techniques are also described.
在深入研究上述方法的基础上,提出了一种自由曲面的非接触自动测量方法,介绍了测量系统的构成、曲面边缘的提取、自动扫描方式的规划以及测头跟踪方式等设计要点。
On the basis of a thoroughgoing study of the above methods, a non contact method for measuring free form surface automatically is given, some key techniques are also described.
整个处理过程分为两步:第一,采用离散正交多项式曲面拟合技术探测边缘位置;第二,运用松弛标定网突出有意义的边缘结构和压缩噪声边缘。
The whole process can be divided into two steps: First, the method of surface fitting with discrete orthogonal polynomial is applied to detection of edge position.
该算法将边缘检测应用于区域生长规则中,充分发挥了边缘方法和区域生长方法两者的优点,实现了三维曲面边界的精确定位。
In this way, this proposed algorithm takes merits of the combination of edge detection and region growth to realize the accurate boundary location of 3d curved surface.
这款手机屏幕的大小为5.5英寸,使用的材料的是超级有源矩阵发光二极体面板,边缘采用双曲面设计,整体效果令人炫目。
The South Korean giant's Super AMOLED (active-matrix organic light-emitting diode) 5.5-inch display has curves on two sides, resulting in a stunning design.
这款手机屏幕的大小为5.5英寸,使用的材料的是超级有源矩阵发光二极体面板,边缘采用双曲面设计,整体效果令人炫目。
The South Korean giant's Super AMOLED (active-matrix organic light-emitting diode) 5.5-inch display has curves on two sides, resulting in a stunning design.
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