?url_ver=Z39.88-2004&rft_id=10.3390%2Fs21082803&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=R.&rft.au=Jaffari%2C+R.&rft.aulast=Jaffari&rft.issue=8&rft.volume=21&rft.issn=14248220&rft.atitle=A+novel+focal+phi+loss+for+power+line+segmentation+with+auxiliary+classifier+u-net&rft.title=Sensors&rft.date=2021&rft.genre=article