An efficient feature selection method for object detection

Abstract

We propose a simple yet efficient feature-selection method - based on principle component analysis (PCA) - for SVM-based classifiers. The idea is to select features whose corresponding axes are closest to the principle components computed from a data distribution by PCA. Experimental results show that our proposed method reduces dimensionality similar to PCA, but maintains the original measurement meanings while decreasing the computation time significantly. © Springer-Verlag Berlin Heidelberg 2005.