1) closed curve
闭合曲线，闭曲线
2) closed curve
闭合曲线
1.
In the procession of image recognition of numeral instrument,selects closed curves as integrate features of those character images,makes the sub region where the end of last drawing of numbers locate of the character images as the major specific features,and then recognizes the character of numeral instrument.
针对数显数字字符,将数学形态学的膨胀和细化处理后的字符图像看作是1幅连通图,根据图论中闭合曲线特征,选择闭合曲线作为其整体特征对10个数字字符进行初次分类,将笔画端点所处字符图像中4个子区域的位置作为主要的细节特征,对字符进行识别。
2.
In the procession of image recognition of numeral instrument dynamic displayed,this paper selects closed curves as integrate features of those character images,makes the sub region where the end of last drawing of numbers locate of the character images as the major specific features,and then recognizes the character of numeral instrument dynamic displayed.
在对动态仪表的数显数字字符图像识别中,将细化后的字符图像看作是一幅连通图,选择闭合曲线作为其整体特征,将笔画端点所处字符图像中子区域的位置做为主要的细节特征,对字符进行识别。
3.
By counting the number of vertexes and Sides and analyzing their quantitative relationship,whether closed curves exist or not in an image is determined.
本文从图论的观点出发 ,通过抽取细化后图像中的端点、歧点和叉点等特征点作为图的顶点 ,计算出图的边数ε和顶点数v ,在分析二者数量关系的基础上 ,确定图像中闭合曲线的存在性 。
3) closed curve
封闭曲线
1.
This paper, using mathematical analysis method,shows that the area ratio of two plane regions bounded by several arbitrary closed curves is an affine invariant.
本文利用数学分析方法,证明了由若干条封闭曲线所围两平面区域面积之比是一仿射不变量。
2.
the institution can be described by a closed curve in the feasibility set.
本文根据制度的一般定义 ,建立了制度描述的一个数学模型 ,即制度可用行为集中的一条封闭曲线来描述。
3.
In this paper,with the square root of RH boundary value problems for two situations: closed curve with the square root of the RH boundary value problems and more generally(mainly on the opening arc) with the square root of the boundary value problems were discussed.
对带平方根的复合RH边值问题的两种情况:封闭曲线上带平方根的RH边值问题和更一般情况(主要是开口弧上)带平方根的RH边值问题进行了讨论,通过对未知函数的结构分析,将它们转化为一般的边值问题,进一步又可将其化为经典的Riemann边值问题。
4) closed curve
闭曲线
1.
Interpolating G~2 continuous closed curve with rational conics.;
基于有理二次Bézier曲线段的G~2连续闭曲线插值
2.
The goal is, in n-dimensional space forms, to compare the mean absolute curvature of a closed curve C with that of a big circle in the boundary of a convex geodesic ball containing the curve C.
在n维空间型中 ,比较了任一闭曲线和包含此闭曲线的凸测地球边界上一个大圆的平均绝对曲率 。
3.
Using an intuitionistic and primary method, a proof of the theorem of turning tangents of plane simple closed curves is given.
给出平面简单闭曲线切线的旋转指标定理的一个证明 ,所用的方法是直观和初等的 ,并适用于研究一般情形下的类似几何对象 。
5) Closed principle curves
闭主曲线
6) Jordan closed curve
Jordan闭曲线
补充资料：Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖，T~aaa，即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合，也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程，关丘=刁:f/刁xi刁、，则它的He丈犯曲线的定义方程为 !不:关:五，} }五:关:五31=0. }人，人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
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参考词条