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A Scalable Stage-wise Approach to Large-margin Multi-class Loss Based Boosting by Paisitkriangkrai, Sakrapee; Shen, Chunhua; Hengel, Anton van den is a scholarly article available to read on EtoBox.

What is A Scalable Stage-wise Approach to Large-margin Multi-class Loss Based Boosting about?

We present a scalable and effective classification model to train multi-class boosting for multi-class classification problems. Shen and Hao introduced a direct formulation of multi- class boosting in the sense that it directly maximizes the multi- class margin [C. Shen and Z. Hao, "A direct formulation for totally-corrective multi- class boosting", in Proc. IEEE Conf. Comp. Vis. Patt. Recogn., 2011]. The major problem of their approach is its high computational complexity for training, which hampers its application on real-world problems. In this work, we propose a scalable and simple stage-wise multi-class boosting method, which also directly maximizes the multi-class margin. Our approach of- fers a few advantages: 1) it is simple and computationally efficient to train. The approach can speed up the training time by more than two orders of magnitude without sacrificing the classification accuracy. 2) Like traditional AdaBoost, it is less sensitive to the choice of parameters and empirically demonstrates excellent generalization performance. Experimental results on challenging multi-class machine learning and vision tasks demonstrate that the proposed approach substantially improv

Author

Paisitkriangkrai, Sakrapee; Shen, Chunhua; Hengel, Anton van den

Published

2013

Language

EN