Implementation of Back Propagation Neural Network with PCA for Face Recognition
Keywords:
face detection, face recognition, principal component analysis (PCA), eigenfaces, back propagation neural network (BPNN)
Abstract
Face recognition is truly one of the demanding fields of biometric image processing system Within this paper we have implemented Back Propagation Neural Network for face recognition using MATLAB where feature extraction and face identification system completely depend on Principal Component Analysis PCA Face images are multidimensional and variable data Hence we cannot directly apply Back Propagation Neural Network to classify face without extracting the core area of face So the dimensionality of face image is reduced by the Principal Component Analysis algorithm then we have to explore unique feature for all stored database images called eigenfaces of eigenvectors These unique features or eigenvectors are given as parallel input to the Back Propagation Neural Network BPNN for recognition of given test images Here test image is taken from the integrated webcam which is applied to the BPNN trained network The maximum output of the tested network gives the index of recognized face image BPNN employing PCA is more robust and reliable than PCA based face recognition system
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Published
2019-05-15
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