Face Detection by Cascade of Gaussian Derivates Classifiers Calculated With a Half-Octave Pyramid

John Ruiz-Hernandez 1 Augustin Lux 1 James L. Crowley 1
1 PRIMA - Perception, recognition and integration for observation of activity
Inria Grenoble - Rhône-Alpes, UJF - Université Joseph Fourier - Grenoble 1, INPG - Institut National Polytechnique de Grenoble , CNRS - Centre National de la Recherche Scientifique : UMR5217
Abstract : This paper presents a method for object detection based on a cascade of scale and orientation normalized Gaussian derivative classifiers learnt with Adaboost. Normalized Gaussian derivatives provide a small but powerful feature set for rapid learning using Adaboost. Real time detection is made possible by use of a fast integer coefficient algorithm that computes a half-octave Gaussian pyramid with linear algorithmic complexity using a cascade of binomial kernel filters. The method is demonstrated by training a boosted classifier for frontal face detection using standard data sets. Experiments demonstrate that this approach can provide detection rates that are comparable or superior to those obtained with integral images while dramatically reducing the required training effort.
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John Ruiz-Hernandez, Augustin Lux, James L. Crowley. Face Detection by Cascade of Gaussian Derivates Classifiers Calculated With a Half-Octave Pyramid. 8th IEEE International Conference on Face and Gesture Recognition, IEEE, Sep 2008, Amsterdam, Netherlands. ⟨hal-00669124⟩

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