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3D Face Recognition Using PCA

Autor Yagnesh Parmar
en Limba Engleză Paperback – 11 apr 2012
This book describes a face recognition system that overcomes the problem of changes in gesture and mimics in three-dimensional (3D) range images. Here, we propose a local variation detection and restoration method based on the two-dimensional (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 depth-values are scaled between 0 and 255 for translation and scaling-invariant 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 pre-recorded 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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Specificații

ISBN-13: 9783848444014
ISBN-10: 3848444011
Pagini: 64
Dimensiuni: 152 x 229 x 4 mm
Greutate: 0.1 kg
Editura: LAP LAMBERT ACADEMIC PUBLISHING AG & CO KG
Colecția LAP Lambert Academic Publishing

Notă biografică

Assistant Professor Yagnesh Parmar has obtained his Master degree in Electronics & Communication engineering at C.U.Shah College of engineering & Technology,wadhwancity,india.He is currently working as Assistant professor at the above college.he has done various research work on digital image processing.