A. Leibl, A. Meißner, S. Altmann, A. Attenberger and H. Mayer, "De-identifying Face Image Datasets While Retaining Facial Expressions," 2023 IEEE International Joint Conference on Biometrics (IJCB), Ljubljana, Slovenia, 2023, pp. 1-10, doi: 10.1109/IJCB57857.2023.10448933.