一种甄别笑的方法是比较人面部笑的几何轮廓。
One way people recognize smiles is comparing the geometry of a.
几何轮廓参数包括尺寸参数、位置参数、形状参数以及表征频域特征的谱参数等。
The geometrical parameters of a contour include its dimension, position, form error and form spectrum.
该扫描系统能够允许扫描复杂的几何轮廓，从而获得已知或未知几何特征的形状误差。
The kit allows the scanning of complex geometrical profiles to get form error of known or unknown geometries.
综合考虑所摄图像序列中包含的几何轮廓信息与光亮度信息，采用立体相交技术和剥离技术，逐步求精地得到三维物体的八叉树表示。
Taking account of both silhouette information and intensity information in images, a carving algorithm is used to incrementally recovery the octree model of the object.
在几何建筑相比，这个住宅的景观包括一系列的自由形式的露台，与地块的轮廓相适应并融入自然特征当中。
In contrast to the geometric building, the landscaping consists of a series of free-form terraces working with the site contours and integrating natural features.
并用分形几何的方法描述砂轮表面轮廓形貌。
Using the method of fractal geometry to describe the profile of grinding wheels.
然后根据特征点的几何定义，利用轮廓线的位置、曲率等信息自动提取特征点。
Characteristic points can be extracted by considering the geometry definition, the position and curvature of each point on the contours.
实验结果表明，分形维数能很好地表征表面轮廓，可为进一步的接触分析提供更合理的几何模型。
Taking rigid disk surface as an example, fractal parameters are obtained by means of power spectrum and structure function, providing a proper geometric model for further contact analysis.
其动态的几何外型赋予了该建筑通风、透明的轮廓。
The dynamic geometry gives the building its airy and transparent silhouette.
根据特征点的几何定义，利用轮廓线的位置信息、曲率等属性来提取特征点。
Lastly, the characteristic points can be extracted by the geometry definition of them and the position and curvature of each point on the contours.
只有掌握了车轮和轨道的轮廓型面，并将两者相结合，才可能掌握几何接触状况对铁路运营车辆的运行性能所产生的影响。
Only after getting the contours of wheels and rail, and combining the two together, the effect of geometric contact conditions on the running performance of operating railway cars can be obtained.
通过对模型轮廓曲线及表面的几何特性分析，编辑对象，从而达到对设计进行优化的目的。
Through geometrical feature analysis of curve and face of model outline, editing object, thus receiving purpose of optimization design.
通过对双金属片轮廓的分析、测量，使用计算二值化图像像素重心的方法得出双金属片的几何中心坐标。
Though the analysis and measurement of bimetallic strip contour, the geometric center coordinates can be given by computing the binary image pixels barycenter.
根据旋转轴和轮廓线，提取碎片的几何特征；
We extract the geometry features according to the rotational axis and the profile.
提出将原木表面形状的三维几何数据的检测、原木外形轮廓三维模拟再现以及原木形状参数分析与管理操作过程交由计算机控制完成。
It puts forward that measuring the three-dimensional geometric data of log surface shape, reappearing log shape and analyzing and managing shape parameters of log is all controlled by computer.
文中阐述了由直线和圆弧组成的零件轮廓基点计算的有效方法，并以典型实例介绍了代数法和几何法在基点计算中的应用。
It also expounds effective methods of basic points' coordinates calculation and USES the typical example to illustrate the algebra and geometry in basic points' coordinates calculation.
应用数值分析和计算几何理论，根据船体首部线型特点，建立首柱轮廓线数学模型；
Applying theories of numerical analysis and higher geometry, the corresponding mathematical model of stem line is established according to different stems.
几何活动轮廓模型以其计算稳定等优点，被广泛用于图像分割。
The geodesic active contour model has been wide used in image segmentation for its computational stability.
立体几何图形的取样策略研究中，被试的首视点落在轮廓部位的概率最大，落在重心的概率极小。
For the 3-dimension geometric figures sampling, the first sampling-position was most likely located at the outline parts of the figures, and rarely at the center of gravity of the figures.
常用的活动轮廓模型主要包括参数活动轮廓模型和几何活动轮廓模型。
In general, active contour Models include parametric active contour model and geometric active model.
这种方法可以使粒子与几何体的交叉是在粒子轮廓上产生的。
This makes the intersections with the world geometry follow the contour of the particle.
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。
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.
轮廓和方向信息是图像的本质的几何特征。
Contour and directional information are intrinsic geometrical features of images.
对具有复杂、不规则轮廓的零件进行精密测量和误差评定，是当前几何量计量领域中的一个重要课题。
In the field of geometrical metrology, one of the important projects is the accurate measurement and error evaluation of parts profile with complicated and irregular surface.
这是用于表面几何量测量的激光干涉式轮廓仪的软件部分源代码。
This is the surface geometry for measurement of laser interferometric Profiler part of the software source code.
针对彩色苗木叶片图像的特点研究了利用几何活动轮廓模型进行完整叶片的自动分割的方法。
We developed an automatic segmentation method of intact leaves based on the geometric active contour model according to the characteristics of color leaf images.
本文以有向几何为背景陈述一个微机绘图核心程序包，用它描写数控加工零件的平面外型轮廓，并在微机上绘制各种复杂的平面图形。
In this paper, a core program package related for drawing pictures in micro computers with Oriented Geometry is presented to describe profile of machine parts in numerical control.
其中，激光轮廓扫描仪可以通过扫描玻璃板边沿，测量玻璃板的几何形状（尺寸，方正度等）。
A laser scanner is included for measuring the glass geometry (dimensions, squareness) and for detection of edge chipping.
虽然这种设计很容易识别，但也不是每个人都能借用这种轮廓或几何形体的。
Though it is easy to identify, not everyone can appropriate this profile or this geometry.
并在此基础上，分析了轮廓线在刀具曲面不同部分的形状及几何性质，列举了轮廓线各种可能性。
Based on that, geometric shapes and characteristics of the profile are fully analyzed on the different parts of the cutter.
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