Unsupervised Brain Abnormality Detection Using High Fidelity Image Reconstruction Networks. - Kazuma Kobayashi; Ryuichiro Hataya; Yusuke Kurose; Amina Bolatkan; Mototaka Miyake; Hirokazu Watanabe; Masamichi Takahashi; Naoki Mihara; Jun Itami; Tatsuya Harada; Ryuji Hamamoto (CoRR, 2020)