Title :
Risk sensitive robust support vector machines
Author :
Xu, Huan ; Caramanis, Constantine ; Mannor, Shie ; Yun, Sungho
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
We propose a new family of classification algorithms in the spirit of support vector machines, that builds in non-conservative protection to noise and controls overfitting. Our formulation is based on a softer version of robust optimization called comprehensive robustness. We show that this formulation is equivalent to regularization by any arbitrary convex regularizer. We explain how the connection of comprehensive robustness to convex risk-measures can be used to design risk-constrained classifiers with robustness to the input distribution. Our formulations lead to easily solved convex problems. Empirical results show the promise of comprehensive robust classifiers in handling risk sensitive classification.
Keywords :
optimisation; pattern classification; support vector machines; classification algorithm; comprehensive robustness; convex regularizer; convex risk measures; nonconservative protection; risk constrained classifiers; risk sensitive robust support vector machines; robust optimization; Classification algorithms; Kernel; Noise robustness; Protection; Robust control; Support vector machine classification; Support vector machines; Testing; Training data; Uncertainty;
Conference_Titel :
Decision and Control, 2009 held jointly with the 2009 28th Chinese Control Conference. CDC/CCC 2009. Proceedings of the 48th IEEE Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3871-6
Electronic_ISBN :
0191-2216
DOI :
10.1109/CDC.2009.5400598