The document summarizes a research paper that proposes a new cellular automata clustering method called Cellular Automata Clustering based on Morphological Reconstruction (CACMR) to identify tumors in brain MRI images. CACMR uses morphological reconstruction to accurately segment the skull, brain, and background, and then employs a cellular automata approach based on Moore neighbourhood to cluster the tumors. The method is tested on brain MRI data from various websites and statistical measures indicate it accurately identifies tumors.