特征选择方法的好坏直接影响文本分类的效果。
Text feature selection method can affect the effect of text classification directly.
本文介绍了一种基于类别特征域的特征选择方法。
This paper presents a novel feature selection method which is based on class feature domains.
提出了一种基于免疫克隆选择算法的特征选择方法。
A new feature selection algorithm based on Immune Clonal selection algorithm (ICSA) is proposed.
本文提出了一种新的基于概念抽取和屏蔽层的特征选择方法。
In this paper, we propose a novel feature selection method based on concept extraction and shielded level.
实验结果表明此种特征选择方法的微平均F1和宏平均F1较高。
The experimental results show that micro average F1 and macro average F1 of the new method are higher.
提出两种适用于微机系统的特征选择方法——相关分析法和二步选择法；
Two kinds of methods of feature selection suitable for microcomputer systems-the correlation analysis method and the two-step- choosing method- is proposed.
本文对文本分类和信息过滤技术进行了研究，提出了一种多特征选择方法。
Research on text categorization and information filtering are being done, Multiple Feature Selection Method is presented.
为改善多分类器系统的分类性能，提出了基于广义粗集的集成特征选择方法。
For improving the performance of multiple classifier system, a novel method of ensemble feature selection is proposed based on generalized rough set.
论文重点研究了决策树内部结点的特征选择方法，设计了一个新的距离差函数。
The research emphasizes on the feature selection in internal-nodes, and designs a new Distance Difference Function.
研究了一种新颖的客观特征选择方法——蒙特卡罗估计选择（MCES）方法。
This paper studied a novel method of objective characteristic choice:Monte Carlo estimated options(MCES).
针对上述问题，提出了信息增益(IG)与主成分分析(PCA)相结合的特征选择方法。
Aiming at the preceding problem, this paper puts forward a feature selection method using Information Gain (IG) and Principle Component (Analysis) (PCA).
研究了模式识别中的特征选择方法，采用最近邻分类正确率作为特征选择的性能评价函数。
The paper studies the methods of feature selection in pattern recognition, and USES nearest neighbor classification accuracy as the evaluation criteria for feature selection.
瓷绝缘子人工污秽试验结果表明：文中提出的红外热像特征选择方法和图像分割算法简单有效。
The results of artificial pollution test of ceramic insulators show that the proposed selection method for infrared thermal image and the image segmentation algorithm are simple and effective.
提出一种基于类别信息的特征选择方法，该方法在尽量保留文档信息的同时，考虑了文档的类别信息。
A class information feature selection method is proposed, in which the class information of the training document is taken into account while keeping as much document information as possible.
针对目前图像识别中原始特征数量大、不相关特征多以及冗余等现象，提出了一种图像特征选择方法。
With regard to the problem that original feature in image classification is mass and redundancy, a new image feature selection method was presented.
本文利用三种特征选择方法、两种权重计算方法、五种停用词表以及支持向量机分类器对汽车语料的文本情感类别进行了研究。
The experiment results indicate that the greater text sentiment classification impact depends on other corpus, excluded adjective, verb, adverb as stop words and none stop words.
针对网页过滤技术中的特征选择方法存在的问题，加入语义信息，改进TFIDF公式，提出了一种比较适合网页过滤的特征选择方法。
Some feature extraction methods for web filtering exist problems, semantic information is added, the TFIDF formula is improved and then a method of feature extraction is proposed.
其次，本文研究了区域形状特征提取及基于PCA的特征选择方法，通过对区域特征进行优化选择，构造准确描述目标特性且维数较低的特征。
Secondly, the method of region feature extraction and optimal feature selection are studied based on PCA, and the effective features are constructed for the target by the analysis of the PCA.
基于对HRRP空间雷达自动目标识别中冗余噪声匹配的分析，研究了高分辨距离像的特征选择方法，提出了一种基于目标子空间的雷达自动目标识别方法。
This thesis studies the feature selection method of HRRP and proposes a RATR method in target subspace based on the analysis of noise-match in HRRP space.
针对这一问题，提出了一种基于聚类的特征选择方法，先使用聚类的方法对特征间的冗余性进行裁减，然后使用信息增益的方法选取类别区分能力强的特征。
This paper introduced a new feature selection method, which first used clustering to reduce redundancy among features and then used Information Gain to choose good features.
分析体系结构的组件，以分配驱动资源和方法选择的特征。
Analyze the components of your architecture to assign characteristics that drive the choice of resources and methodology.
针对不同的老化特征，选择使用适合的鉴别方法可以确定文件制成的真实时间。
To ascertain the real making time of the document in view of the ageing characteristics and choosing the suitable identification means.
特征选择和特征抽取是维数约简常用的两种方法。
Feature selection and feature extraction are common methods for dimensionality reduction.
主要是针对德育工作者提出几点建议，即该从哪几个方面树立自己的人格魅力，如何根据自身个性特征选择德育方法。
Propose some suggestion by worker to moral mainly, namely from which establish own personality glamour, How to choose the moral method according to one's own individual character characteristic.
MEFS在基于最大熵原理的基础上，运用互信息和Z -测试技术，采用两步方法进行空间特征选择。
Based on the theory of maximum entropy, MEFS USES mutual information and Z-test technologies, and takes two-step method to execute feature selection.
使用选择吸附的各种净化方法都有几个共同特征。
The various methods of purification through the use of selective adsorption have several features in common.
本文采用综合特征指标的选择方法，筛选出美国无芒雀麦等三个优良能源草种，并提出建立永续性多年生混播草地模式。
Selected the way of multiple character index, we selected Ameri- can Bromus inermis and other two fine energy-herbs and advanced the model of constructing endurable, perennial and mixed meadow.
本文采用综合特征指标的选择方法，筛选出美国无芒雀麦等三个优良能源草种，并提出建立永续性多年生混播草地模式。
Selected the way of multiple character index, we selected Ameri- can Bromus inermis and other two fine energy-herbs and advanced the model of constructing endurable, perennial and mixed meadow.
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