Title :
Classification of Magnetic Resonance brain images by using weighted radial basis function kernels
Author :
Tsai, Ching-Tsorng ; Chen, Hsian Min ; Chai, Jyh-Wen ; Chen, Clayton Chi-Chang ; Chang, Chein-I
Author_Institution :
Comput. Sci. Dept., Tunghai Univ., Taichung, Taiwan
Abstract :
The paper proposed a weighted Radial basis function kernel (WRBF) approach that can be used to detect and classify anomalies in Magnetic Resonance (MR) images. A weighted Radial basis function kernel (WRBF) approach, despite the fact that the idea of WRBF kernels can be traced back to the work [1], its application to Radial basis function (RBF) kernel is new. It includes the Support Vector Machines (SVMs) using RBF as its special case where the RBF is considered to be uniformly weighted. Methods MR data of abnormal brain data were used to evaluate the accuracy of multiple sclerosis lesions classification by using the proposed method. The data were obtained from the BrainWeb Simulated Brain Database at the McConnell Brain Imaging Centre of the Montreal Neurological Institute (MNI), McGill University. Experimental results via various MR images show that WRBF kernels provide better classification.
Keywords :
biomedical MRI; brain; image classification; medical image processing; radial basis function networks; support vector machines; MNI; Montreal Neurological Institute; SVM; WRBF kernel approach; abnormal brain data; brainWeb simulated brain database; magnetic resonance brain image classification; multiple sclerosis lesions classification; support vector machines; weighted radial basis function kernels; Brain; Covariance matrix; Kernel; Multiple sclerosis; Support vector machine classification; Training; Multiple Sclerosis (MS); Radial basis function (RBF) kernel; Support Vector Machines (SVMs); Weighted RBF (WRBF); multispectral MRI;
Conference_Titel :
Electrical and Control Engineering (ICECE), 2011 International Conference on
Conference_Location :
Yichang
Print_ISBN :
978-1-4244-8162-0
DOI :
10.1109/ICECENG.2011.6058066