1. A method of recognizing a face using component-based independent component analysis (ICA)/principal component analysis (PCA), the method comprising the steps of; (a) segmenting a predetermined input facial image by facial components and generating segmented images; (b) performing PCA on the segmented images and generating low-pass filtered images; (c) subtracting the low-pass filtered images from the segmented images and obtaining residual images; and (d) performing ICA on the residual images and generating first feature information corresponding to the segmented images, and generating pieces of second feature information as a set of the pieces of the first feature information.