?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Pham%2C+Tuan+Dung&rft.aulast=Pham&rft.aufirst=Tuan+Dung&rft.date=November+2020&rft.title=Reducing+Blocking+Artifacts+in+CNN-Based+Image+Steganography+by+Additional+Loss+Functions&rft.genre=proceeding