metric function
英 [ˈmetrɪk ˈfʌŋkʃn]
美 [ˈmetrɪk ˈfʌŋkʃn]
网络 度量函数
英英释义
noun
- a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
双语例句
- The model based normalized cross correlation coefficient is used as the metric function, and it can distinguish moving shadows from moving objects effectively. The method can also work well without real time background maintenance.
该方法以基于模板的归一化互相关系数作为度量函数，可以有效地检测出运动阴影和运动目标，而且不需要对背景进行实时维护。 - Then a single-parameter evaluation function is established by regulating the coding gain and unbalanced metric of space-frequency resolution. By maximizing the constructed function, the optimized biorthogonal wavelets for image compression can be obtained.
通过编码增益和时频分辨率的均衡不确定度建立了单参量评价函数，对该函数取最大值可获得应用于图像压缩的最优双正交小波。 - In this paper we prove that a set of discontinuous points of a lower semi-Continuous function on a local Compact and countable metric space or a weak lower semi-continuous function on a reflexive Banach Space is a first Category.
证明了局部紧且具有可数基的度量空间上的弱下半连续函数和自反的巴拿赫空间上的弱下半连续函数的间断点集合都是第一纲集。 - In order to enhance the robustness of the clustering algorithm, fitness function is devised by Gaussian kernel metric replacing the Euclidean distance. The robustness of the clustering algorithm is analyzed using the influence function of M-estimator.
为了增强聚类算法的鲁棒性，采用高斯核距离替换欧氏距离设计适应度函数，利用M-估计的影响函数分析了聚类算法的鲁棒性。 - This paper made a metric model of China life insurance demands function and imputed the income elasticity of China life insurance demands on the basis of the principles of life insurance and methodology of econometrics.
本文运用保险学原理和计量经济学分析方法，建立了我国寿险需求函数的计量模型，并估算了我国寿险需求的收入弹性。 - Multiscale information fusion halftone method, mixed error measure function of the establishment of multiscale wavelet coefficients fusion to establish the boundary error measure function and improved K-means clustering method to establish the area error metric function.
在多尺度信息融合的半色调方法中，混合误差测度函数的建立是利用多尺度小波系数融合建立的边界误差测度函数和改进的K-means聚类法建立的区域误差测度函数。 - A modified constrained variable metric algorithm using l_1-penalty function as merit function
用L1－罚函数作线性搜索函数的一种修正约束变尺度算法 - The Improvement of a Metric Function Form a Fixed Point to a C~ 2 Class Surface
定点到C~2类曲面距离函数的改进 - A simple formula of forming metric matrices is put forward. The simple variable matric algorithm produced from the formula is equivalent to the secant method and when the aim function is positive definite quadratic function, it is equivalent to BFGS.
提出了构造尺度矩阵的一个简式公式，其对应的简式变尺度算法与正割法等价，当目标函数为正定二次函数时简式变尺度算法与BFGS方法等价。 - The conception of the covering numbers and the packing numbers and the metric entropy on a metric space were introduced, and the conception of the random distance and the random covering numbers and the random entropy on a function space were introduced.
介绍了一般度量空间中覆盖数、包容数与度量熵的概念以及函数空间中随机距离、随机覆盖数与随机熵的概念。