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高 维 数 据 特 征降维研究综述-中文文本处理-Characteristics of high-dimensional data dimensionality reduction Survey
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Nonlinear Dimensionality Reduction for Face Recognition.pdf
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统计分析系统课件(sas环境下),包括相关分析,因果分析,降维分析等。-Statistical Analysis System Courseware (sas environment),Including correlation analysis, causal analysis, dimensionality reduction analysis.
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问题规模化是近来信息学竞赛的一个新趋势,它意在通过扩大数据量来增加算法设计和编程实现的难度,这就向信息学竞赛的选手提出了更高层次的要求,本文试图探索一些解决此类问题的普遍性的策略。开始,本文给出了“规模化”一词的定义,并据此将其分为横向扩展和纵向扩展两种类型,分别进行论述。在探讨横向扩展问题的解决时本文是以谋划策略的“降维”思想为主要对象的;而重点讨论的是纵向扩展问题的解决,先提出了两种策略——分解法和精简法,然后结合一个具体例子研究“剪枝”在规模化问题中的应用。问题规模化是信息学竞赛向实际运用
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本文详细描述了如何进行目标缩减来解决多目标优化问题-The paper discribe how to solve multiobjective problems by dimensionality reduction
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介绍一种非线性降维方法的文章,是篇算法介绍-A Global Geometric Framework
for Nonlinear Dimensionality
Reduction
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在时序数据相似新查询中,一种基本的操作是要对数据进行压缩,针对时序数据有很多种数据压缩方法,本文提出了一种在局部数据自适应压缩的方法,从而在不降低精度的前提下有效降低了存储空间的要求。-Locally Adaptive Dimensionality Reduction for Indexing Large Time Series Databases
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the document deals about the low dimensionality reduction techniques-the document deals about the low dimensionality reduction techniques...
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matlab的小波压缩程序,用图像压缩和降维-the matlab wavelet compression program, image compression and dimensionality reduction
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Dimensionality Reduction
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在高光谱图像处理和分析中,主成分分析方法是使用最广泛的线性降维
方法之一,它概念简单,实现算法高效"在信号处理中,所谓的Karl血nen.b姆ve
变换实际上就是主成分分析
-In hyperspectral image processing and analysis, principal component analysis is the most widely used linear dimensionality reduction methods, it is conceptu
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流形学习,用于非线性维数约简,作为图像识别或者其他方法的预处理方法-Manifold learning, for nonlinear dimensionality reduction, as the pretreatment methods of image recognition, or other methods
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LSI就是这样一种维数约减方法。它可以通过对“文档向量矩阵”进行解奇异值分解(SVD: Singular Value Decomposition)运算,自动计算得到一个比原始空间小得多的有效语义空间-LSI is such a dimensionality reduction method. It can be through the "document vector matrix" for the singular value decomposition (SVD: Singular Valu
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COST-SENSITIVE SEMI-SUPERVISED DISCRIMINANT ANALYSIS FOR FACE RECOGNITION
Abstract:
In our Project, we present a cost-sensitive semi-supervised discriminant analysis method for face recognition.
In previous methods of dimensionality reductio
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支持向量回归机工具箱。自编。带有GUI界面和使用教程。基于PCA降维和遗传算法寻优-Support vector regression toolbox. Self. With a GUI interface and tutorials. PCA dimensionality reduction based and genetic algorithm optimization
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文本分类中特征提取的代码。采用信息增益法,对文本的空间向量模型能达到有效降维。文件的输入形式必须是词号-词频形式。-
Text Categorization feature extraction code. Using information gain method, the vector space model of the text to achieve effective dimensionality reduction. Enter the file must be in the f
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Rotational Linear Discriminant Analysis Using Bayes Rule for Dimensionality Reduction
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利用PCA进行降维,并利用adaboost进行分类的人脸识别方法描述-Use PCA dimensionality reduction , face recognition method using adaboost classification descr iption
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LDA线性判别分析算法,用于图像处理中的数据降维方法-LDA linear discriminant analysis algorithm, dimensionality reduction method used for image processing of data
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Randomized Dimensionality Reduction for k-means
Clustering
This paper makes further progress towards a better understanding of dimensionality reduction for kmeans
clustering. Namely, we present the first provably accurate feature selection met
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