Abstract

Multiple sclerosis (MS) is a severe brain disease. Early detection can provide timely treatment. Fractal dimension can provide statistical index of pattern changes with scale at a given brain image. In this study, our team used susceptibility weighted imaging technique to obtain 676 MS slices and 880 healthy slices. We used synthetic minority oversampling technique to process the unbalanced dataset. Then, we used Canny edge detector to extract distinguishing edges. The Minkowski–Bouligand dimension was a fractal dimension estimation method and used to extract features from edges. Single hidden layer neural network was used as the classifier. Finally, we proposed a three-segment representation biogeography-based optimization to train the classifier. Our method achieved a sensitivity of 97.78±1.29%, a specificity of 97.82±1.60% and an accuracy of 97.80±1.40%. The proposed method is superior to seven state-of-the-art methods in terms of sensitivity and accuracy.

Highlights

  • Among all various brain diseases, multiple sclerosis (MS)[1,2,3] damages the insulating covers of neural cells

  • Single hidden layer neural network was used as the classifier

  • Our method achieved a sensitivity of 97.78±1.29%, a specificity of 97.82±1.60% and an accuracy of 97.80±1.40%

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Summary

Introduction

Among all various brain diseases, multiple sclerosis (MS)[1,2,3] damages the insulating covers of neural cells. The symptoms include mental, psychiatric, and physical problems.[4] The symptoms may disappear between attacks.[5] Currently, treatments are provided to improve patients’ functioning. The life expectancy is about 5–10 years,[6] lower than unaffected people.

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