Segmentation of GBM in MRI images using an efficient speed function based on level set method. - Alireza Mojtabavi; Parastoo Farnia; Alireza Ahmadian; Meysam Alimohamadi; Ahmad Pourrashidi; Hamidreza Saligheh Rad; Javad Alirezaie (CISP-BMEI, 2017)