?url_ver=Z39.88-2004&rft_id=10.1007%2F978-3-642-33140-4%E2%82%82%E2%82%81&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Rahmat%2C+R.&rft.aulast=Rahmat&rft.aufirst=R.&rft.title=Lecture+Notes+in+Computer+Science+(including+subseries+Lecture+Notes+in+Artificial+Intelligence+and+Lecture+Notes+in+Bioinformatics)&rft.date=2012&rft.volume=7517+L&rft.issn=03029743&rft.isbn=9783642331398&rft.atitle=3D+shape+from+focus+using+LULU+operators&rft.pages=237-245&rft.genre=article