between group variance

This paper discusses the basic principles,operations and features of genetic algorithms,and takes the method of maximum classes square error as an example to describe the method and procedure about applying genetic algorithms in optimizing the selection of image threshold.

论述了遗传算法的基本原理、操作和特点，并以图像阈值选取中的最大类间方差法为例，给出用遗传算法优化图像阈值选取的步骤和方法，实验结果表明了这一方法的有效性。

In the paper,firstly,using the classification theory in pattern recognition,approach of multithreshold stone image segmentation based on improved 2D class variance is presented.

文章从模式识别的分类理论出发,提出了改进的二维类间方差的多门限阈值石块分割方法。

Research on Selecting Threshold-value Based on Ostu and GA

基于遗传最大类间方差值选择的研究

Research on Image Segmentation Based on the Improved Otsu Algorithm

基于改进的最大类间方差算法的图像分割研究

An Improved Genetic Algorithm for Image Segmentation Based on Maximum Interclass Variance

基于最大类间方差的图像分割改进遗传算法

Rocket image sequence segmentation algorithm combined with edge detection and improved Otsu algorithm

基于边缘检测与改进最大类间方差法的火箭序列图像分割算法

Improved 2D maximum between-cluster variance algorithm and its application to cucumber target segmentation

改进二维最大类间方差法及其在黄瓜目标分割中的应用

The Two-dimensional Maximum Between-cluster Variance Threshold Segmentation Algorithm Basing on Particle Swarm Optimization

基于微粒子群理论的二维最大类间方差阈值分割算法

Extraction of Liver Focal Lesions in Abdominal CT Image Based on Local OTSU and Zone Market Screening

结合局部最大类间方差和标记筛选的腹部CT肝脏病灶提取

SPATIAL-CLUSTERING BASED MODEL FOR REGIONAL ECONOMICAL DATA ANALYSIS;

基于空间聚类的区域经济差异分析方法

The modification of intervals estimation of variance components in nested model

随机套分类模型中方差分量区间估计的改进

A Finite Difference Method for Time-Periodic Solutions of Nonlinear Parabolic Equation with Time Delay

一类时滞非线性抛物型方程时间周期解的有限差分方法

The Global Behavior of Second Order Discrete Difference Scheme for a Partial Integro-differential Equation with a Weakly Singular Kernel;

一类带弱奇异核偏积分微分方程二阶差分离散格式的长时间估计

Global Behavior of Second Order Spatially Semi-discrete Difference Scheme for a Partial Integro-differential Equation

一类偏积分微分方程二阶差分空间半离散格式的全局行为

Nonoscillatory Solutions of Certain Neutral Difference Equation and Oscillation of Certain Delay Differential Equation on Time Scales;

一类中立型差分方程的非振动解及一类时间标度上滞后微分方程的振动性

Interval Estimation of Mean Square Error for Linerar Statistic Model;

统计模型中误差方差的均方误差的区间估计

Empirical Likelihood Ratio Confidence Regions for the Differences of Two Populations Variance

两总体方差差异的经验似然置信区间

Translating Techniques Viewed from Differences in Speeches between English and Chinese;

从英汉语之间的词类差异谈翻译技巧

Mechanisms may be categorized in several different ways to emphasize their similarities and differences.

机械原理可用几个不同的方式进行归类,以证实原理之间的相同和差异之处。

Valuation Method: Base price established in each class, zone values for land assigned, and identifying factors used to adjust land prices for variations between parcels.

评估方法：每类土地设定基准地价，制定土地分区价格并确定调整因素调整地块间的差别。