?url_ver=Z39.88-2004&rft_id=10.1002%2Fima.20274&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.S.&rft.aulast=Malik&rft.au=Malik%2C+A.S.&rft.atitle=Depth+map+estimation+based+on+linear+regression+using+image+focus&rft.pages=241-246&rft.issue=3&rft.volume=21&rft.issn=08999457&rft.date=2011&rft.title=International+Journal+of+Imaging+Systems+and+Technology&rft.genre=article