Mi{\dh}eind's WMT 2021 submission

We present Mi{\\dh}eind's submission for the English$\\to$Icelandic and\nIcelandic$\\to$English subsets of the 2021 WMT news translation task.\nTransformer-base models are trained for translation on parallel data to\ngenerate backtranslations iteratively. A pretrained mBART-25 model is then\nadapted for translation using parallel data as well as the last backtranslation\niteration. This adapted pretrained model is then used to re-generate\nbacktranslations, and the training of the adapted model is continued.\n