Learning to Generate Long-term Future via Hierarchical Prediction Learning to Generate Long-term Future via Hierarchical Prediction Ruben Villegas1*, Jimei Yang2, Yuliang Zou1, Sungryull Sohn1, Xunyu Lin3, Honglak Lee1,4 1Dept. of Computer Science and Engineering, University of Michigan, Ann Arbor, USA 2Adobe Research, San Jose, CA 3Beihang University, Beijing, China 4Google Brain, Mountain View,