R.Sravani and S.Satish Kumar 2014. DETECTION OF BRAIN TUMOURS USING IMPROVED PILLAR K-MEANS ALGORITHM. International journal of intellectual advancements and research in engineering computations. 2, 4 (Dec. 2014), 171–178. DOI:https://doi.org/10.61096/ijiarec.v2.iss4.2014.171-178.