Lawrence Neal Matthew L. Olson Xiaoli Z. Fern Weng-Keen Wong Fuxin Li Open Set Learning with Counterfactual Images. 620-635 2018 ECCV (6) https://doi.org/10.1007/978-3-030-01231-1_38 conf/eccv/2018-6 db/conf/eccv/eccv2018-6.html#NealOFWL18