Affective Behavior Learning for Social Robot Haru with Implicit Evaluative Feedback

Hui Wang,Jinying Lin,Zhen Ma,Yurii Vasylkiv,Heike Brock,Keisuke Nakamura,Randy Gomez,Bo He,Guangliang Li,Hui Wang,Jinying Lin,Zhen Ma,Yurii Vasylkiv,Heike Brock,Keisuke Nakamura,Randy Gomez,Bo He,Guangliang Li

We propose a human-in-the-loop reinforcement learning mechanism to help robots learn emotional behavior. Unlike the previous methods of providing explicit feedback via pressing keyboard buttons or mouse clicks, we provide a more natural way for ordinary people to train social robots how to perform social tasks according to their preferences - facial expressions. The whole experiment is carried out...