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A Case Study on Various Preprocessing Methods and their Impact on Face Recognition using Random Forest
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 175 - Number 9 |
| Year of Publication: 2017 |
| Authors: Hanan M. S. Algharib, Shafqat Ur Rehman |
10.5120/ijca2017915642
|
Hanan M. S. Algharib, Shafqat Ur Rehman . A Case Study on Various Preprocessing Methods and their Impact on Face Recognition using Random Forest. International Journal of Computer Applications. 175, 9 ( Oct 2017), 5-14. DOI=10.5120/ijca2017915642
Abstract
The Random forest is a well known powerful classifier, that used to classify a wide range of patterns in our daily life for different purposes, it enters into many fields such as images and objects classification. In this paper, we studied the impact of a five common preprocessing method in face recognition on the random forest performance, The study included applying five different pre-processing methods (Single Scale Retinex, Discreet Cosine Transform, wavelet Denoising, Gradient faces, and the method proposed by tan and et Known as pp chain or TT), each one has applied separately with a general random forest as a classifier, we computed the error rate for each method. The study was conducted on a face recognition system under occlusion and illumination variation. All experiments were done using MATLAB and Extended Yale B database.
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