نتایج جستجو برای: vector auto regression

تعداد نتایج: 529054  

2003
Emmanuel Vazquez Eric Walter

Support vector regression builds a model of a process that depends on a set of factors. It traditionally considers one output at a time, which means that advantage cannot be taken of the correlations that may exist between outputs. The purpose of this paper is to show how the body of knowledge accumulated by geostatisticians on Kriging and its extensions over the last 40 years can help extend s...

2010
Ke Jia Lei Wang Nianjun Liu

Support Vector Regression (SVR) has been a long standing problem in machine learning, and gains its popularity on various computer vision tasks. In this paper, we propose a structured support vector regression framework by extending the max-margin principle to incorporate spatial correlations among neighboring pixels. The objective function in our framework considers both label information and ...

2013
V. Anandhi

Support Vector Regression (SVR), a category for Support Vector Machine (SVM) attempts to minimize the generalization error bound so as to achieve generalized performance. Regression is that of finding a function which approximates mapping from an input domain to the real numbers on the basis of a training sample. Support vector regression is the natural extension of large margin kernel methods ...

Journal: :Neurocomputing 2011
Mittul Singh Jivitej Chadha Puneet Ahuja Jayadeva Suresh Chandra

Wepropose the reduced twin support vector regressor (RTSVR) that uses the notion of rectangular kernels to obtain significant improvements in execution time over the twin support vector regressor (TSVR), thus facilitating its application to larger sized datasets. & 2011 Elsevier B.V. All rights reserved.

2006
Zezhi Zheng

In this paper we will discuss the Auto-extraction of paraphrases of letter-word phrases in live Chinese texts. The paper discusses the modes of conventional dictionaries firstly, and then gives the principles of paraphrase of letter-word phrases; with an analysis of the examples of letter-word phrases paraphrases secondly, and then gives their formalized denotations and presents an auto-recogni...

2014
Zoltán Szabó

We address the distribution regression problem (DRP): regressing on the (possibly infinite dimensional) domain of probability measures, in the two-stage sampled setup when only samples from the distributions are observable. The DRP formulation offers a unified framework for several important tasks in statistics and machine learning including for example, drug activity prediction, aerosol optica...

A. Moradzadeh R. Gholami

Reservoir permeability is a critical parameter for characterization of the hydrocarbon reservoirs. In fact, determination of permeability is a crucial task in reserve estimation, production and development. Traditional methods for permeability prediction are well log and core data analysis which are very expensive and time-consuming. Well log data is an alternative approach for prediction of pe...

Maryam Abaszade Sohrab Effati,

Support Vector Regression (SVR) solves regression problems based on the concept of Support Vector Machine (SVM). In this paper, a new model of SVR with probabilistic constraints is proposed that any of output data and bias are considered the random variables with uniform probability functions. Using the new proposed method, the optimal hyperplane regression can be obtained by solving a quadrati...

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