?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Mohammed&rft.aulast=Abdelsamea&rft.au=Abdelsamea%2C+Mohammed&rft.date=July+2013&rft.title=Active+Contour+Model+driven+by+Globally+Signed+Region+Pressure+Force&rft.genre=proceeding