Section for Biomedical Image Analysis SBIA License Yes University of Pennsylvania NITRC Multi Atlas Skull Stripping (MASS) MASS [1] is a software package designed for robust and accurate brain extraction, applicable for both individual as well as large population studies. MASS is implemented as a Unix command-line tool. It is fully automatic and easy to use — users input an image, and MASS will output the extracted brain and the associated brain mask. Multi Atlas Skull Stripping (MASS) SBIA License, Imaging Genomics, Clinical Neuroinformatics, MR, Computational Neuroscience http://www.nitrc.org/projects/mass/, http://www.nitrc.org/projects/mass/