@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},
  year      = {2020}
}