Thisisthe"ActivecontoursdrivenbylocalandglobalintensityfittingenergywithapplicationtobrainMRimagesegmentation"(referredtoasLGIFmodel)oftheMATLABsourcecode.LGIFmodelisveryimportanttolocalareaactivecontourmodel,whichcombinestheCVmodelandthemeritsofLBFmodel.