Learning to Detect Multi-View Faces in Real-Time

  • Authors:
  • Affiliations:
  • Venue:
  • ICDL '02 Proceedings of the 2nd International Conference on Development and Learning
  • Year:
  • 2002

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Abstract

In this paper, we present a system which learns to detectmulti-view faces.The system uses a coarse-to-fine, simple-to-complex architecture called detector-pyramid.A new boosting algorithm, called FloatBoost, is proposed to construct a strong face-nonface classifier from weak classifiersfor the component detectors in the pyramid.FloatBoost incorporates the idea of Floating Search [22 ] into AdaBoost[9,26 ], and yields similar or higher classification accuracythan AdaBoost with a smaller number of weak classifiers.This work leads to the first real-time multi-view face detection system in the world.It runs at 200 ms per image of size320x240 pixels on a Pentium-III CPU of 700 MHz.Alivedemo will be shown at the conference.