نتایج جستجو برای: support vector machines svm

تعداد نتایج: 866627  

Journal: :Expert Syst. Appl. 2012
Ömer Eskidere Figen Ertas Cemal Hanilçi

Remote patient tracking has recently gained increased attention, due to its lower cost and non-invasive nature. In this paper, the performance of Support Vector Machines (SVM), Least Square Support Vector Machines (LS-SVM), Multilayer Perceptron Neural Network (MLPNN), and General Regression Neural Network (GRNN) regression methods is studied in application to remote tracking of Parkinson’s dis...

2008
Muhammad Nizam Azah Mohamed Majid Al-Dabbagh Aini Hussain

This paper presents dynamic voltage collapse prediction on an actual power system using support vector machines. Dynamic voltage collapse prediction is first determined based on the PTSI calculated from information in dynamic simulation output. Simulations were carried out on a practical 87 bus test system by considering load increase as the contingency. The data collected from the time domain ...

2007
Krishna Yendrapalli Srinivas Mukkamala Andrew H. Sung Bernardete Ribeiro

This paper describes results concerning the robustness and generalization capabilities of kernel methods in detecting intrusions using network audit trails. We use traditional support vector machines (SVM), biased support vector machine (BSVM) and leave-one-out model selection for support vector machines (looms) for model selection. We also evaluate the impact of kernel type and parameter value...

2011
Sauptik Dhar

Many machine learning applications involve modeling sparse high dimensional data. Examples include genomics, brain imaging, time series prediction etc. A common problem in such studies is the understanding of complex data-analytic models, especially nonlinear highdimensional models such as Support Vector Machines (SVM). This paper provides a brief survey of the current techniques for the visual...

2001
Stefan Rüping

Support Vector Machines (SVMs) have become a popular tool for learning with large amounts of high dimensional data. However, it may sometimes be preferable to learn incrementally from previous SVM results, as computing a SVM is very costly in terms of time and memory consumption or because the SVM may be used in an online learning setting. In this paper an approach for incremental learning with...

2006
Tong Yubing Yang Dongkai Zhang

Wavelet, a powerful tool for signal processing, can be used to approximate the target function. For enhancing the sparse property of wavelet approximation, a new algorithm was proposed by using wavelet kernel Support Vector Machines (SVM), which can converge to minimum error with better sparsity. Here, wavelet functions would be firstly used to construct the admitted kernel for SVM according to...

Journal: :journal of advances in computer research 2013
mohammad mohammadzade alireza ghonodi

the problem of automatic signature recognition has received little attention incomparison with the problem of signature verification, despite its potentialapplications for many business processes and can be used effectively in paperlessoffice projects. this paper presents model-based off-line signature recognition withrotation invariant features. non-linear rotation of signature patterns is one...

2003
Aly A Farag Refaat M Mohamed

In this paper, we present an approach for the classification of remote sensing multispectral data, which exploits the capabilities of the Support Vector Machines (SVM) approach for density estimation. Extending the support vector machines to estimate multidimensional densities is explored. We use these estimates in the design and implementation of Bayes classification of multispectral Landsat d...

2002
Haydemar Núñez Cecilio Angulo Andreu Català

Support vector machines (SVMs) are learning systems based on the statistical learning theory, which are exhibiting good generalization ability on real data sets. Nevertheless, a possible limitation of SVM is that they generate black box models. In this work, a procedure for rule extraction from support vector machines is proposed: the SVM+Prototypes method. This method allows to give explanatio...

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