نتایج جستجو برای: support vector machines svm

تعداد نتایج: 866627  

Journal: :The West Indian medical journal 2007
S Hongzong W Tao Y Xiaojun L Huanxiang H Zhide L Mancang F BoTao

OBJECTIVE The present contribution concentrates on the application of support vector machines (SVM) for coronary heart disease and non-coronary heart disease classification. METHODS We conducted many experiments with support vector machine and different variables of low-density lipoprotein cholesterol (LDLC), high-density lipoprotein cholesterol (HDLC), total cholesterol (TC), triglycerides (...

2007
Rafik Djemili Mouldi Bedda Hocine Bourouba

This paper proposes a novel approach that combines statistical models and support vector machines. A hybrid scheme which appropriately incorporates the advantages of both the generative and discriminant model paradigms is described and evaluated. Support vector machines (SVMs) are trained to divide the whole speakers’ space into small subsets of speakers within a hierarchical tree structure. Du...

Journal: :iranian journal of fuzzy systems 2013
mohammad taheri hamid azad koorush ziarati reza sanaye

recently, tuning the weights of the rules in fuzzy rule-base classification systems is researched in order to improve the accuracy of classification. in this paper, a margin-based optimization model, inspired by support vector machine classifiers, is proposed to compute these fuzzy rule weights. this approach not only  considers both accuracy and generalization criteria in a single objective fu...

2008
Rohit Choudhry Kumkum Garg

In this paper, we propose a hybrid machine learning system based on Genetic Algorithm (GA) and Support Vector Machines (SVM) for stock market prediction. A variety of indicators from the technical analysis field of study are used as input features. We also make use of the correlation between stock prices of different companies to forecast the price of a stock, making use of technical indicators...

2012
Ribana Roscher Björn Waske Wolfgang Förstner

Zusammenfassung We evaluate the performance of Import Vector Machines (IVM), a sparse Kernel Logistic Regression approach, for the classification of hyperspectral data. The IVM classifier is applied on two different data sets, using different number of training samples. The performance of IVM to Support Vector Machines (SVM) is compared in terms of accuracy and sparsity. Moreover, the impact of...

2014
Sining Ma Jiawei Zhu

If seizure forecasting systems could reliably identify periods of increased probability of seizure occurrence, patients who suffer from epilepsy would be able to avoid dangerous activities and lead more normal lives. The goal of this project is to differentiate between the preictal and interictal states by analyzing intracranial EEG recordings. Data for each hour are organized into six ten-minu...

2012
Rafik Djemili Mouldi Bedda Hocine Bourouba

This paper proposes a novel approach that combines statistical models and support vector machines. A hybrid scheme which appropriately incorporates the advantages of both the generative and discriminant model paradigms is described and evaluated. Support vector machines (SVMs) are trained to divide the whole speakers’ space into small subsets of speakers within a hierarchical tree structure. Du...

2004
Luc Hoegaerts Johan A. K. Suykens Joos Vandewalle Bart De Moor

Least Squares Support Vector Machines (LS-SVM) is a proven method for classification and function approximation. In comparison to the standard Support Vector Machines (SVM) it only requires solving a linear system, but it lacks sparseness in the number of solution terms. Pruning can therefore be applied. Standard ways of pruning the LSSVM consist of recursively solving the approximation problem...

Journal: :Eng. Appl. of AI 2006
Enrique Frías-Martínez Ángel Sánchez José F. Vélez

– The problem of automatic signature recognition has received little attention in comparison with the problem of signature verification despite its potential applications for accessing security-sensitive facilities and for processing certain legal and historical documents. This paper presents an efficient off-line human signature recognition system based on Support Vector Machines (SVM) and com...

2012
József Valyon Gábor Horváth

Among neural models the Support Vector Machine (SVM) solutions are attracting increasing attention, mostly because they eliminate certain crucial questions involved by neural network construction. The main drawback of standard SVM is its high computational complexity, therefore recently a new technique, the Least Squares SVM (LS–SVM) has been introduced. In this paper we present an extended vie...

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