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IEICE TRANSACTIONS on Information

A Multi-Stage Approach to Fast Face Detection

Duy-Dinh LE, Shin'ichi SATOH

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Summary :

A multi-stage approach -- which is fast, robust and easy to train -- for a face-detection system is proposed. Motivated by the work of Viola and Jones [1], this approach uses a cascade of classifiers to yield a coarse-to-fine strategy to reduce significantly detection time while maintaining a high detection rate. However, it is distinguished from previous work by two features. First, a new stage has been added to detect face candidate regions more quickly by using a larger window size and larger moving step size. Second, support vector machine (SVM) classifiers are used instead of AdaBoost classifiers in the last stage, and Haar wavelet features selected by the previous stage are reused for the SVM classifiers robustly and efficiently. By combining AdaBoost and SVM classifiers, the final system can achieve both fast and robust detection because most non-face patterns are rejected quickly in earlier layers, while only a small number of promising face patterns are classified robustly in later layers. The proposed multi-stage-based system has been shown to run faster than the original AdaBoost-based system while maintaining comparable accuracy.

Publication
IEICE TRANSACTIONS on Information Vol.E89-D No.7 pp.2275-2285
Publication Date
2006/07/01
Publicized
Online ISSN
1745-1361
DOI
10.1093/ietisy/e89-d.7.2275
Type of Manuscript
PAPER
Category
Image Recognition, Computer Vision

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