?url_ver=Z39.88-2004&rft_id=10.1117%2F1.JEI.26.6.063015&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.M.&rft.au=Hittawe%2C+M.M.&rft.aulast=Hittawe&rft.issue=6&rft.volume=26&rft.issn=10179909&rft.atitle=Machine+vision+for+timber+grading+singularities+detection+and+applications&rft.title=Journal+of+Electronic+Imaging&rft.date=2017&rft.genre=article