分类

People have proposed lots of feature extraction and classification algorithms and achieved great successful in the last few years, but there are also many disadvantages that restrict the applications to some extent. Rotation invariant and antinoise texture classification is a topic to be researched deeply.

近年来，人们提出了各种纹理分类算法，并取得了丰硕的成果，但是，目前大多数分类算法仍存在很多缺陷，在一定程度上制约了这些算法的应用，旋转不变和具有抗噪性的纹理分类更是有待深入研究的重要课题。

The objective is to use SA as a tool to develop an accurate fuzzy classifier, effectively explore and exploit the large search space usually associated with classification problems, and find the optimum set of fuzzy if then rules.

论述了使用模拟退火元启发式搜索策略构造模糊分类系统的过程，目的是利用模拟退火原理研制一种精确的模糊分类器，改善与分类问题有关的搜索空间探索与发掘的性能，找到模糊if-then规则的优化集。

Automatic text categorization is an effective method to increase the efficiency and quality of information utilizing.

自动文本分类是提高信息利用效率和质量的有效方法，而多分类器的有效组合能够得到更高的分类准确率。

In this article the author has made some improvements on the correspondence factor analysis method and proposed an objective classification criterion for the bisector ...

本文对对应分析法在分类中作了改进，提出向量夹角分角线的客观分类判据，并把这一方法应用到北京冬季气温分类上，结果表明它比其它分类法更直观、提取信息量更多，能较好地反映天气过程本质。

In order to verify the results of numerical taxonomy, Besides the examined strains in numerical taxonomy, 6 strains isolated from Caragana sp were analyzed by SDS-PAGE of the whole-cell protein.

本论文简要回顾了生物的界级分类学说，综述了根瘤菌分类的历史和研究现状，描述了根瘤菌分类的方法。

This paper proposes an algorithm, which is based on ant colony algorithm, for mining classification rule from categorical database.

本文在对蚁群算法和分类规则挖掘进行深入研究的基础上，提出了一种新的分类规则挖掘方法--基于蚁群算法的分类规则挖掘算法。

New model utilizes grid computing technology,plans as a whole of network computing resources,combines with statistic classification advantage of support vector machine in finite sample space,probes into application of grid computation technology in image classification.

为了充分利用网格技术分布式、高性能、协同共享的能力，设计了一种基于网格和支持向量机的分布式图像分类器模型，采用网格计算技术，统筹网络运算资源，结合支持向量机在有限样本统计分类中的优势，探索网格技术在图像分类中的应用。

On the basis of analyzing the classification principle of Bayesian classification model and a variant of Bayes theorem, a new classification model based on Bayes theorem, DLBAN (double-level Bayesian network augmented naive Bayes), which adds the dependence among attributes by selecting the key attributes, is proposed.

通过分析贝叶斯分类模型的分类原则以及贝叶斯定理的变异形式，提出了一种基于贝叶斯定理的新的分类模型DLBAN(double-level Bayesian network augmented naive Bayes)。该模型通过选择关键属性建立属性之间的依赖关系。

They both are one of abstract expressions to geographic space and time. By comparison, the latter is the target of GIS development. Feature classification, which must be based on cognitive classificatory theory, is the key to the latter.

二者都是对地理时空的一种抽象表达，对比分析后认为，基于特征的数据组织更符合人们的思维认知习惯，是GIS数据组织追求的目标；基于特征的数据组织方法的关键是特征分类，特征分类必须以认知分类理论为基础。

By using such method, the coacervation of feature is improved, the limitation of classification method based on keywords is overcome, and dimensions disaster and precision respectively is reduced and improved.

这样许多相似度非常高的词语被转换成一个概念，而一个多义词在不同的语境下也会被映射到不同的概念，提高了特征词的凝聚度，克服了传统分类系统中基于关键词的分类方法缺陷，解决了维度灾难，提高了分类准确率。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。