鉴别分析

A new feature extraction model based on genetic programming and linear discriminant analysis in fault diagnosis is proposed.

提出了一种基于遗传规划和线性鉴别分析的故障特征提取模型。

A face recognition method based on the fusion of linear discriminant analysis and singular value decomposition is presented.

本文提出了奇异值分解和线性鉴别分析相结合的人脸识别算法。

The experimental results show that the method can obtain more effective features compared to conventional linear discriminant analysis methods.

结果表明，与传统线性鉴别分析法相比较，该方法可获得更加有效的分类特征。

A novel method based on weighted uncorrelated discriminant analysis for face recognition was proposed.

提出了一种基于加权Fisher的不相关鉴别分析的人脸识别方法。

Compared with the other image projection analysis methods, the proposed method has the following properties:（ 1 ） the scattering matrices are directly based on image matrices;（2） the efficient projection vectors are statistically uncorrelated;（3） the within scattering matrix is not necessarily invertible and some matrix inversions are not performed.

在ORL标准人脸库和NUST603人脸库上的试验结果表明，上述图像投影鉴别分析方法在识别性能上较以往的方法有一定的提高，尤其是特征抽取的速度有明显的提高。

Based on the generalized Fisher linear discriminant criterion, this problem is solved by combining projection transform, isomorphic mapping and compressed transform.

该文基于广义的Fisher线性判别准则，将投影变换、同构变换和压缩变换相结合，解决了这个问题，完善了小样本情况下线性鉴别分析理论。

Thus, how to deal with the singularity of the matrix becomes one of the basic tasks of LDA.

因此，如何处理类内散布矩阵的奇异性成为Fisher鉴别分析的基本任务之一。

METHODS: Using SDS PAGE method to differentiate three kinds of bee milk, bovine serum albumin, Coin like white banded snake, black tail snake, teudons of deer, processed and unprocessed scorpion.

利用十二烷基硫酸钠聚丙烯酰胺凝胶电泳技术，对 3种蜂王浆、牛血清蛋白、金钱白花蛇[2 ] 、乌梢蛇、鹿蹄筋、炮制前后的蝎子[3 ] 进行鉴别分析。

The main points include the following several parts: Firstly, in chapter1 of the dissertation, it narrates the backgroud、researchful signification of face recognition and its development. Also including the presentation of face database、classifier and distance measurement. In chapter2, it introduces the development of Fisher discriminant analysis and correlative theory foundation of locality preserving projects. Based the LPP, then it introduces the method of Laplacianfaces in face recognition.

主要包括以下几个方面的内容：首先，在第一章绪论部分主要介绍了人脸识别技术的应用背景、研究的目和意义，以及人脸识别技术研究方法的发展现状和一些人脸数据库、分类器和距离度量的内容；第二章介绍了Fisher鉴别分析的发展现状以及本地保留影射相关的理论基础，着重讲解了基于该理论的拉普拉斯脸在人脸识别中的应用。

Then, twodimensional Fisher linear discrimination analysis was performed on the window images obtained.

然后，使用二维线性鉴别分析方法（2DLDA）对上面获得的窗口图像进行特征抽取。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。