and the appearance and presence of brain tumor. Clinicians and radiologist have difficulty in
identifying the tumor type. An efficient hybrid feature extraction method to classify the type of
tumor accurately as meningioma, gliomas and pituitary tumor using SVM (support vector
machine) classifier is proposed. The modified Non-Local Means (NLM) filter may be
effectively used to get the pure image. The NLM filter is compared with common filters like …