Robust Head Pose Estimation Using Contourlet Transform

Details Robust Head Pose Estimation Using Contourlet Transform Robust Head Pose Estimation Using Contourlet Transform

2012-04-24

arxiv.org/abs/1204.5431v1

Computer Science

Computer Vision and Pattern Recognition

5 pages, conference paper

Scientific paper

Estimating pose of the head is an important preprocessing step in many pattern recognition and computer vision systems such as face recognition. Since the performance of the face recognition systems is greatly affected by the poses of the face, how to estimate the accurate pose of the face in human face image is still a challenging problem. In this paper, we represent a novel method for head pose estimation. To enhance the efficiency of the estimation we use contourlet transform for feature extraction. Contourlet transform is multi-resolution, multi-direction transform. In order to reduce the feature space dimension and obtain appropriate features we use LDA (Linear Discriminant Analysis) and PCA (Principal Component Analysis) to remove ineffcient features. Then, we apply different classifiers such as k-nearest neighborhood (knn) and minimum distance. We use the public available FERET database to evaluate the performance of proposed method. Simulation results indicate the superior robustness of the proposed method.

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