contour line

An efficient contour representing model is designed in this paper, and a new, fast algorithm based on scan line algorithm is developed for tracing, smoothing and detection of structual feature points of an image.

本文提出了一种基于有向图的边界表示模型，并实现了一种边界跟踪平滑以及特征点检测算法，只需对图像进行一次遍历，即可实现边界的平滑和特征点检测。

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Terrain Matching Algorithm Based on Contour Line and Hausdorff Distance

基于等高线和Hausdorff距离的地形匹配方法

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If the element being tested with a tolerance requirement is a contour line or surface, point the arrow and datum symbol to the contour line or surface, and keep it away from the dimension line.

当具有公差要求的被测要素为线或平面时，将指引线箭头和基准符号指在线或平面上，且必须与尺寸线错开。

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The outline is taken as that of the contour line defining its base.

轮廓由确定它的底部的等值线表示出来.

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When measuring, based on the segmented contour line of thread, the measurement program to calculate and measure the geometrical parameters of internal taper thread is compiled. Precisions of pitch, thread angle and taper angle reach ± 0.03mm 、± 0.24 ° and ± 0.02 °.

使用自编程序测量计算了内螺纹的螺距、牙型角和锥角，测量精度分别达到了003mm，024°和002°。

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automatic extraction of contour line in color scanned map

扫描地图的等高线自动提取

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The cursor or a contour line the graphics object must be in the snap range.

光标或图形对象的一个轮廓线必须在坐标线范围内. 您也可以使用选项栏页面边距对齐图标.

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In this paper the author discusses the theories and methods on making high quality DEM and TIN based on terrain feature from digital contour line.

本文全面系统地论述了基于等高线、地性特征建立TIN和DEM的理论和方法。

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identification and pick-up for contour line on military map

军事地图等高线的识别与提取

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Finally, the free-scaling zoom-in font will be implemented between the 2 multiple of contour line and the 2j+ 1 multiple. Simulation results show that this algorithm is a high quality, simple and effective Chinese font zoom-in method.

在轮廓线放大成2j与2j＋1倍之间，实现任意比例的无级放大.从仿真结果来看，本算法具有放大质量高、算法简单等特点，不失为一种有效的汉字字形放大处理方法。

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The indifference curve may be compared with a contour line on a map.

无差别曲线可以与地图上的等高线相比拟.

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Contour Line Based 3D Visualization for Pipeline Networks

基于轮廓线的管网数据的3维可视化研究

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In this paper, the relation between geometrical significance of gradient about two-place function and contour line of function is presented, and search for the optimum solution in linear programming problem by this relation.

介绍了二元函数梯度的几何意义与函数的等值线关系，即点沿梯度方向移动，函数值增加最快，反之相反的关系，及用这种关系求解线性规划问题中的最优解。

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Simultaneously the flying contour line underwent the redesign hale and hearty newly many.

同时新飞度外形线条经过重新设计硬朗了不少.

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In order to cater the 3-D showing of contour line, we should generate different contour interval lines and compatible with each others.

为了满足等高线三维显示的需求，需要等高距不同但彼此相容的等高线。

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extraction of pcb contour line and generation of cutting tool center path are established on the basis of the tool radius compensation principle, the regulation of judging the direction for tool radius compensation and the minimum surround rectangle arithmetic.

基于刀具半径补偿原理、刀具半径补偿方向的判断法则和最小包围矩形算法，实现PCB板轮廓线数据的提取和刀具中心轨迹的生成；

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A method that produces double-rotating-pair with the ordinary ball-shaped milling cutter in the CNC center is proposed and the contour line equation of the double-rotating-pair is explained.

提出在数控加工中心上用一般的球形铣刀加工双转子流量计中双转子副的方法，着重阐述了双转子副轮廓曲线方程的求法。

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DEM Building and Automatic Contour Line Tracing in AutoCAD Environment

AutoCAD环境下数字高程模型的建立和等高线的自动绘制

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A conclusion was drawed by analyzing the methods to measure the 3 dimensional gesture parameters, which is the key of measurement of the 3 dimensional gesture parameters for the common target of shooting ranges is the automatic and accurate extraction of its line contour.

通过分析目标三维姿态参数测量方法，得到了如下结论：对于靶场常见的目标而言，获取三维姿态参数的关键是高精度、自动化地提取其直线轮廓。

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A new type of mortar pump was designed, namely the commutative piston mortar pump, the spirality line of equal velocity was regarded as the contour line of the cam working, and the cam mechanism was analyzed of the movements.

提出了一种新型的砂浆泵&互逆活塞式砂浆泵，采用等速螺线作为凸轮工作段廓线，并进行了运动分析。

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In the hilly area, the landscape of ecoagricultural tourism should be designed according to the degrees of slope and contour line in order to form a model of vertical eco-landscape.

丘陵地区城乡结合带生态农业旅游景观应按坡度和等高线设计，形成“垂直生态景观模式”。

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A method for creating contour line in 3 D 8 noded hexahedral elements is presented.

提出了一种八节点六面体单元的三维场量等值线生成方法.

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This paper presents the results on contour line segment trading, stroke segment drawing and base component drawing in2-D EAG method.

本文介绍了识别手写印刷体汉字的2-D EAG方法中轮廓折线跟踪、笔段抽取和基础部件抽取阶段的工作。

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the extraction of face contour line in color images

彩色图像中人脸轮廓线提取技术的研究

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The contour line of the inner and outer of bridge shall be smooth and clear, without sudden break, obvious flection or recurrence.

桥梁的内外侧轮廓线应顺滑清晰，无突变、明显折变或反复现象。

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An improved algorithm on contour line extraction algorithm based on region growing is presented in this paper. The algorithm uses a look up table to speed up boundary grids of searching speed and to avoid searching all of the grids.

本文在基于区域增长法的基础上提出了一种改进的轮廓线提取算法，该算法采用查找表来加速搜索边界单元，从而避免了搜索所有的网格单元。

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In this method, the whole area is divided into many quadratic isoparametric element by means of finite element method, then the contour line in each isoparametric element is generated, thus the whole contour is assembled.

该算法根据有限元法将整个区域分割成多个互相连续的二次等参单元，通过生成每个等参单元内的等值线，进而生成整个区域内的等值线。

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Using a cloud chart or a contour line chart to observe a space or flat data field of the FEM is one of the most valid methods.

以云图或等值线对空间或平面数据场进行可视化是有限元后处理最有效的方法之一。

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