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Neural Network based Face Recognition System using Discrete Cosine Transform and Principal Component Analysis
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 102 - Number 11 |
| Year of Publication: 2014 |
| Authors: C. Rajivegandhi, C. Sabarinathan, B. Abinaya |
10.5120/17860-8749
|
C. Rajivegandhi, C. Sabarinathan, B. Abinaya . Neural Network based Face Recognition System using Discrete Cosine Transform and Principal Component Analysis. International Journal of Computer Applications. 102, 11 ( September 2014), 29-32. DOI=10.5120/17860-8749
Abstract
This paper deals with the implementation of Neural Network based face recognition system. As we know that face recognition system is one of the biometric information processing which has speed up in the last few decades. The developed algorithm for the face recognition system originates an image based approach, which uses the Two-Dimensional Discrete Cosine Transform (2D-DCT) to compress image, and then Self Organizing Map (SOM) Neural Network to recognize the face and its simulated in MATLAB. With the help of 2D-DCT the image vectors are extracted and these vectors sends to the neural network classifier which is developed using self organizing map, algorithm to recognize trained faces, faces with variations in expressions, changes of illumination, upto certain degrees. The alternate way of the same face recognition system is developed with the help of principle component analysis (PCA) instead of Two Dimensional Cosine Transform and Self-Organizing Map Neural Network to recognize the faces. In this proposed algorithm we use unsupervised single neural network as a classifier for both Two Dimensional Discrete Cosine Transform (2D-DCT) and Principal Component Analysis (PCA).
References
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