I see you: teacher analytics with GPT-4 vision-powered observational assessment. - Unggi Lee; Yeil Jeong; Junbo Koh; Gyuri Byun; Yunseo Lee; Hyunwoong Lee; Seunmin Eun; Jewoong Moon; Cheolil Lim; Hyeoncheol Kim (Smart Learn. Environ., 2024)