What Does Rotation Prediction Tell Us about Classifier Accuracy
            under Varying Testing Environments?

                   Weijian Deng 1 Stephen Gould 1 Liang Zheng 1

             Abstract                 This work investigates an interesting problem: how to es-
   Understanding classifier decision under novel en-       timate classifier accuracy on unlabeled test sets? Some
   vironments is central to the community, and a         existing research studies classifier generalization on ...