该方法可以从离散的点集中提取出具有某种拓扑几何形状特征的目标对象。
Some kinds of objects with the geometric characteristics wishing to be needed are extracted from the discrete point-sets.
常见的目标特征可分为灰度(密度、颜色)特征、纹理特征和几何形状特征等。
Usually, object features include gray-scale (density, colour), feature, geometry shape, and so on.
介绍了对检测到的微生物图像的目标区域，自动提取静态微生物图像的纹理特征和几何形状特征的主要技术和方法。
With reference to the graphic target zones, a new technique and method are provided to extract the texture feature and geometrical configuration features of the stored-grain microbe are acquired.
几何矢量形状通常称为特征，指的是特征数据，它与矢量数据或形状数据是一个意思。
Geometric vector shapes are often called features, leading to the term feature data, which is synonymous with vector data or shape data.
数学上的分形（fractals）是一种非常复杂的几何形状，这正是医生所要关注的，它是协助医生区分健康的细胞形态和癌变的一个重要特征。
The mathematics of fractals – very complex geometric shapes – is just what the doctor ordered, helping to capture the difference between the shape of a healthy cell and a cancerous one.
对水力压裂来讲，这个系统就是通过对记录压力的分析，提取地层和液体特征，从而确定裂缝的几何形状。
Through analyzing the pressure records in hydraulic fracturing, we can gain the formation and the fluid characteristic parameters and then judge the geometrical shape of a crack.
针对组合形状零件几何尺寸测量中的关键问题—轮廓识别，提出了一种基于弧长的轮廓特征点提取的方法。
An approach to extract feature points on the boundary based on length of arc is proposed in view of the key problem of measuring composite-shape parts.
本文对所建立模型单元的力学特征作出了定量的描述：该单元在空间中的几何形状及尺寸的确定；
This article make quantitative descriptions about mechanical characteristics of model: confirmation of geometry shape and size of model;
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.
在建筑内部，建筑的几何形状与胶合板及其咬合的关节都是建筑强烈的特征。
The interior is characterised not only by its global geometry, but particularly by the plywood plates and their visible finger joint connections.
系统级的凝聚特征将设计知识、几何形状以及联接关系等封装起来，克服了传统特征在功能语义表达上的不完备性。
Encapsulating design knowledge, geometry form and conjunction relationship, the agglomerated feature in system-level is generated to maintain the whole semantic elements of a function.
通过设计参数来修改特征形状和定位，并采用专家系统驱动满足给定约束条件的特征几何形状。
The feature shape and location can be modified by design parameters. An expert system is used for deriving a geometry of the features which satisfies the given constraints.
通过对切屑截面几何、变形状态及切削比的实验分析，研究了非自由切削的变形特征。
The deformation characteristics of non free cutting (NFC) are experimentally studied with the chip cross section geometry, the deformation configuration and the cutting ratio.
通过设计参数来修改特征形状和定位，并采用专家系统驱动满足给定约束条件的特征几何形状。
The dependent relationship of features is described by parent-child operator structure. The feature shape and location can be modified by design parameters.
所谓特征识别便非自产品的实体模型动身自动识别出其外具无一订工程意义的几何形状――便特征，入而地出产品的特征模型。
The feature recognition is the process in which geometric form with a certain engineering significance is extracted automatically from solid model, and then feature model is produced.
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.
从平面形状、剖面形状、发育高度及中心轴变化方面，总结了华北煤田陷落柱的几何特征。
The geometrical characteristics of sunken column in North China Coalfield is summarized from the aspects of its planar shape, sectional shape, development height and axle center change, etc.
将平面连续弹性体的几何边界形状考虑为随机量，建立了描述这种连续体特征值问题的随机微分方程和边界条件。
Regarding the boundary shape of elastic structures as random variables, stochastic equations and boundary conditions that govern eigenvalue problems are set up.
论述了区域几何形状分布特征增强的差分动态二值化方法，阐述了特征稀少图像的拼接原理和计算步骤。
For enhancing the region geometric shape features we described a Difference Dynamic Binary Method. And then the merging principle of images on which there is little point's feature was discussed.
这种微观几何形状的尺寸特征，一般是由零件的加工过程和其他因素形成。
The microscopic size and shape characteristic made by the process and other factors.
在自由特征形状的定义中，建立数值参数和最终特征形状几何属性的映射关系。
Mapping from numerical parameters to geometry is defined in the definition of freeform feature.
在自由特征形状的定义中，建立数值参数和最终特征形状几何属性的映射关系。
Mapping from numerical parameters to geometry is defined in the definition of freeform feature.
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