An Image Turing Test on Realistic Gastroscopy Images Generated by Using the Progressive Growing of Generative Adversarial Networks.

"Declarations Ethics ApprovalThis retrospective study was conducted according to the principles of the Declaration of Helsinki and was performed in accordance with current scientific guidelines. The study protocol was approved by the Institutional Review Board Committee of Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea (IRB No. 2020–0568). The requirement for informed patient consent was waived by the Institutional Review Board Committee of Asan Medical Center. Conflict of InterestThe authors except Namkug Kim have no conflicts of interest to disclose. Namkug Kim is a stakeholder of Promedius Inc. Conflict of Interest The authors except Namkug Kim have no conflicts of interest to disclose. Namkug Kim is a stakeholder of Promedius Inc."

"Funding This study was supported by a grant from the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (HI18C0022, and HI18C2383)."