Segmentation of Tissues in Brain MRI Images using Dynamic Neuro-Fuzzy Technique
S.Javeed Hussain1, T. Satya Savithri2, P. V. Sree Devi3

1S.Javeed Hussain, Associate Professor,Department of ECE, BCETFW, Kadapa, India
2T. Satya Savithri, Professor, Department of ECE, JNTUH Hyderabad, India
3P.V. Sree Devi, Professor, Department of ECE, AU, Vishakapatnam, Andhra Pradesh, India
Manuscript received on December 09, 2011. | Revised Manuscript received on December 26, 2011. | Manuscript published on January 05, 2012. | PP: 416-423 | Volume-1 Issue-6, January 2012. | Retrieval Number: F0354121611/2012©BEIESP
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Abstract: In this paper, an efficient technique is proposed for the precise segmentation of normal and pathological tissues in the MRI brain images. The proposed segmentation technique initially performs classification process by utilizing Fuzzy Inference System (FIS) and FFBNN. Both classifiers are utilizing the extracted image features as an input for the classification process. The features that are extracted in two ways from the MRI brain images. The FIS are used to make the classification process by generating the fuzzy rules using extracted features. Five features are extracted from the MRI images: they are two dynamic statistical features and three 2D wavelet decomposition features. In Segmentation, the normal tissues such as WM (White Matter), GM (Gray Matter) and CSF (Cerebrospinal Fluid) are segmented from the normal MRI images and pathological tissues such as Edema and Tumor are segmented from the abnormal images. The non-cortical tissues in the normal images are removed by the preprocessing stage. The implementation result shows the efficiency of proposed tissue segmentation technique in segmenting the tissues accurately from the MRI images. The performance of the segmentation technique is evaluated by performance measures such as accuracy, specificity and sensitivity. The performance of segmentation process is analyzed using a defined set of MRI brain image and compared against K-means clustering and Fuzzy ANN based segmentation methods.
Keywords: MRI, FFBNN, FIS.