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| SVDD Based Learning Algorithm with Progressive Transductive Support Vector Machines |
| XUE Zhen-Xia1,2, LIU San-Yang1, LIU Wan-Li1,3 |
1.Department of Applied Mathematics, Xidian University, Xi'an 7100712.
Department of Mathematics, Henan Science and Technology University, Luoyang 4710033.
Department of Mathematics, Luoyang Normal College, Luoyang 471022 |
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Abstract In semi-supervised learning, progressive transductive support vector machine (PTSVM) has some drawbacks, such as few sample labeled in each iteration, low training speed, many backtrack learning steps, and unstable learning performance. Aiming at these problems, a fast progressive transductive support vector machines learning algorithm is proposed. It selects new unlabeled samples based on support vector domain description (SVDD) by using the information of support vectors. Using region labeling rule instead of pairwise labeling rule of PTSVM, the algorithm inherits progressive labeling and dynamic adjusting of the PTSVM. And meanwhile it increases the computational speed and keeps even improves the accuracy. Experimental results on synthetic and real datasets show the validity of the proposed algorithm.
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Received: 18 January 2008
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2008, Vol. 21 
