基于保持投影的最大散度差的特征抽取方法

来源 :模式识别与人工智能 | 被引量 : 4次 | 上传用户：ling401

【摘要】

：

对非监督鉴别投影(UDP)准则进行修正,并在修正的准则基础上提出基于保持投影的最大散度差的特征抽取方法.该方法利用非局部散度与局部散度之差作为鉴别准则,从而避免UDP线性鉴别分析中所遇到的小样本问题引起的局部散度矩阵奇异的问题.在标准人脸数据库Yale和FERET上进行实验,实验结果表明本文方法的有效性.

【作者】

：

王建国杨万扣杨静宇

【机构】

：

南京理工大学,唐山学院

【出处】

：

模式识别与人工智能

【发表日期】

：

2009年04期

【关键词】

：

特征提取人脸识别散度差鉴别准则非监督鉴别投影(UDP) 子空间分析流形学习

【基金项目】

：

国家自然科学基金重点项目;

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

其他文献

Effects of Lanthanum on Redox Systems in Plasma Membranes of Casuarina equisetifolia Seedlings Under

The effects of lanthanum on some redox system(PMRS) properties of the plasma membrane(PM) vesicles from Casuarina equisetifolia seedlings under artificial acid

期刊

ecologyPM redox systemlanthanumCasuarina equisetifoliaacid rain stressrare

Study on the Phase Transformation Behavior of Nanosized Amorphous TiO2

Nanosized amorphous TiO2 powders with a specific surface area of 501 m2.g-1 were prepared by hydrolysis. Aftercalcined at 400℃ for 2 h, the prepared amorphous

期刊

Crystallization behaviorDSCNanosized TiO2Seeding nucleation

非均相羰基氧化一步合成碳酸二苯酯的研究(Ⅴ)筛选催化剂及优化合成条件

Pd/LaxPbyMnOz, Pd/C, Pd/molecular sieve and Pd-heteropoly acid catalysts for direct synthesis of diphenyl carbonate (DPC) by heterogeneous catalytic reaction we

期刊

diphenyl carbonatesupported catalystheterogeneous catalytic reactionoptimum c

Refining Effect of a New Al3Ti1B1RE Master Alloy on Al Sheets Used for Can Manufacture and Behavior

The refining effect of Al3Ti1B1RE master alloy on Al sheets used for pressure can manufacture and the behavior of mixed rare earths (RE) in master alloy were in

期刊

matel materialsAl sheets used for can manufacturegrain refinementAl3Ti1B1RE m

Numerical solution to T-φS-CL coupling in binary dendrite solidification with any solid-back diffusi

A previous numerical solution method to the strong nonlinear T-φS-CL coupling for a Scheil-type binary solidification process was extended and modified for sin

期刊

alloy solidificationcoupled transport phenomenasolid-back diffusionnumerical

表面活性剂包衣Candida rugosa脂肪酶在无溶剂下油水两相体系中催化橄榄油水解

The surfactant-coated Candida rugosa lipase was used as catalyst for hydrolysis of olive oil in two-phase system consisting of olive oil and phosphate buffer wi

期刊

Candida rugosahydrolysislipaseolive oilsolvent-free systemsurfactant

Characterization and photocatalytic activity for methylene blue degradation of iron-deposited TiO2 p

Iron-deposited TiO2 was prepared by photo-reducing ferric ions. The photocatalytic activity of methylene blue degradation was enhanced after TiO2 was deposited

期刊

methylene blueiron deposited TiO2TiO2photocatalytic degradation

加压下规整填料塔内气液两相轴向返混实验研究

An experimental study of the extent of axial backmixing in both gas and liquid phases was conducted in a 150 mm ID column packed with Mellapak 250Y corrugated s

期刊

structured packingbackmixingelevated pressuregas-liquid two-phase flow

多目标0/1背包问题MOEA求解中的修复策略

多目标进化算法在求解多目标0/1背包问题时常使用修复策略来满足容量约束.文中更全面地考虑物品对各个背包的不同影响,提出两种加权修复策略,分别基于背包容量和容量约束违反

期刊

多目标进化算法(MOEA)多目标0/1背包问题(MOKP)进化多目标优化加权修复策略

基于保持投影的最大散度差的特征抽取方法

其他学术论文