Title
3D Face Recognition Using PCA: The Robust Face Recognition system using Matlab,Used
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This book describes a face recognition system that overcomes the problem of changes in gesture and mimics in threedimensional (3D) range images. Here, we propose a local variation detection and restoration method based on the twodimensional (2D) principal component analysis (PCA). The depth map of a 3D facial image is first smoothed using median filter to minimize the local variation. The detected face shape is cropped & normalized to a standard image size of 101x101 pixels and the forefront nose point is selected to be the image center. Facial depthvalues are scaled between 0 and 255 for translation and scalinginvariant identification. The preprocessed face image is smoothed to minimize the local variations. The 2DPCA is applied to the resultant range data and the corresponding principal(or eigen) images are used as the characteristic feature vectors of the subject to find his/her identity in the database of prerecorded faces. The system's performance is tested against the GavabDB facial databases. Experimental results show that the proposed method is able to identify subjects with different gesture and mimics in the presence of noise in their 3D facial images.
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