An Image Turing Test on Realistic Gastroscopy Images Generated by Using the Progressive Growing of Generative Adversarial Networks. - Keewon Shin; Jung Su Lee; Ji Young Lee; Hyunsu Lee; Jeongseok Kim; Jeong-Sik Byeon; Hwoon-Yong Jung; Do Hoon Kim; Namkug Kim (J. Digit. Imaging, 2023)