?url_ver=Z39.88-2004&rft_id=10.1049%2Fel.2012.3432&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=T.B.&rft.aulast=Tang&rft.au=Tang%2C+T.B.&rft.pages=178-179&rft.atitle=Noise+reduction+for+ellipse+fitting+on+medical+images&rft.issue=3&rft.volume=49&rft.issn=00135194&rft.date=2013&rft.title=Electronics+Letters&rft.genre=article