Optimization of Brain Tumor MR Image Classification Accuracy Using Optimal Threshold, PCA and Training ANFIS with Different Repetitions Journal title: Journal of Biomedical Physics and Engineering Authors: F. Farhadi Birgani, M. J. Tahmasebi Birgani, N. Chegeni, D. Fatehi, Gh. Akbarizadeh, A. Shams Subject(s):