A quadratic classifier is used in machine learning and statistical classification to separate measurements of two or more classes of objects orâ€¦Â (More)

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2007

2007

- Laura M. Sangalli, Piercesare Secchi, +5 authors Alexei Veneziani
- 2007

This pilot study is a product of the AneuRisk Project, a scientific program that aims at evaluating the role of vascular geometryâ€¦Â (More)

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2007

2007

- Zhengyi John Zhao, Jie Sun, Shuzhi Sam Ge
- 2007 46th IEEE Conference on Decision and Control
- 2007

A nonconvex quadratic classifier is proposed for pattern recognition. The classifier is obtained by solving a second-order coneâ€¦Â (More)

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Highly Cited

2007

Highly Cited

2007

- Santosh K Srivastava, Maya R. Gupta, Bela A. Frigyik
- Journal of Machine Learning Research
- 2007

Quadratic discriminant analysis is a common tool for classification, but estimation of the Gaussian parameters can be ill-posedâ€¦Â (More)

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Highly Cited

2007

Highly Cited

2007

- Elizaveta Levina
- 2007

This paper considers regularizing a covariance matrix of p variables estimated from n observations, by hard thresholding. We showâ€¦Â (More)

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Highly Cited

2007

Highly Cited

2007

The paper proposes a new covariance estimator for large covariance matrices when the variables have a natural ordering. Using theâ€¦Â (More)

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2006

Highly Cited

2006

- Nabin Sharma, Umapada Pal, Fumitaka Kimura, Srikanta Pal
- ICVGIP
- 2006

Recognition of handwritten characters is a challenging task because of the variability involved in the writing styles ofâ€¦Â (More)

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2005

Highly Cited

2005

- Hailong Liu, Xiaoqing Ding
- Eighth International Conference on Documentâ€¦
- 2005

In the research of statistical approach for handwritten character recognition, directional element feature (DEF) and modifiedâ€¦Â (More)

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Highly Cited

2005

Highly Cited

2005

- Wei Huang, Yoshiteru Nakamori, Shouyang Wang
- Computers & OR
- 2005

Support vector machine (SVM) is a very speci1c type of learning algorithms characterized by the capacity control of the decisionâ€¦Â (More)

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2002

2002

- Carlos E. Thomaz, Duncan Fyfe Gillies, Raul Queiroz Feitosa
- Biometric Authentication
- 2002

In biometric recognition applications, the number of training examples per class is limited and consequently the conventionalâ€¦Â (More)

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Highly Cited

1996

Highly Cited

1996

Friedman has proposed a regularization technique RDA of discriminant anal ysis in the Gaussian framework RDA makes use of twoâ€¦Â (More)

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