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IEICE TRANSACTIONS on Information

Partial Derivative Guidance for Weak Classifier Mining in Pedestrian Detection

Chang LIU, Guijin WANG, Chunxiao LIU, Xinggang LIN

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Summary :

Boosting over weak classifiers is widely used in pedestrian detection. As the number of weak classifiers is large, researchers always use a sampling method over weak classifiers before training. The sampling makes the boosting process harder to reach the fixed target. In this paper, we propose a partial derivative guidance for weak classifier mining method which can be used in conjunction with a boosting algorithm. Using weak classifier mining method makes the sampling less degraded in the performance. It has the same effect as testing more weak classifiers while using acceptable time. Experiments demonstrate that our algorithm can process quicker than [1] algorithm in both training and testing, without any performance decrease. The proposed algorithms is easily extending to any other boosting algorithms using a window-scanning style and HOG-like features.

Publication
IEICE TRANSACTIONS on Information Vol.E94-D No.8 pp.1721-1724
Publication Date
2011/08/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E94.D.1721
Type of Manuscript
LETTER
Category
Image Recognition, Computer Vision

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