Quantum adversarial metric learning model based on triplet loss function Yan-Yan Hou, Jian Li, Xiu-Bo Chen and Chong-Qiang Ye EPJ Quantum Technol., 10 1 (2023) 24 Published online: 27 June 2023 DOI: 10.1140/epjqt/s40507-023-00182-1