@article{Sun2020MTL, author = {Qianru Sun and Yaoyao Liu and Zhaozheng Chen and Tat{-}Seng Chua and Bernt Schiele}, title = {Meta-Transfer Learning through Hard Tasks}, journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence}, doi = {10.1109/TPAMI.2020.3018506}, year = {2020} }