Hybrid intelligent techniques for MRI brain images classification

Authors:
El-Sayed Ahmed El-Dahshan;Tamer Hosny;Abdel-Badeeh M. Salem
Affiliations:
Faculty of Science, Ain Shams University, Abbassia, 11566, Cairo, Egypt;Faculty of Engineering, Misr University for Science & Technology, 6th October City, Cairo, Egypt;Faculty of Computer and Information Science, Ain Shams University, Abbassia, Cairo, Egypt
Venue:
Digital Signal Processing
Year:
2010

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Abstract

This paper presents a hybrid technique for the classification of the magnetic resonance images (MRI). The proposed hybrid technique consists of three stages, namely, feature extraction, dimensionality reduction, and classification. In the first stage, we have obtained the features related to MRI images using discrete wavelet transformation (DWT). In the second stage, the features of magnetic resonance images have been reduced, using principal component analysis (PCA), to the more essential features. In the classification stage, two classifiers have been developed. The first classifier based on feed forward back-propagation artificial neural network (FP-ANN) and the second classifier is based on k-nearest neighbor (k-NN). The classifiers have been used to classify subjects as normal or abnormal MRI human images. A classification with a success of 97% and 98% has been obtained by FP-ANN and k-NN, respectively. This result shows that the proposed technique is robust and effective compared with other recent work.