Gunda Sahitya et al. 2025. Pupil Heart Rate Variability Monitoring Via Pupillary Fluctuations on MobileDevices. Fringe Multi-Engineering Proceedings(FMEP, ISSN: 3107-6149) . 1, 4 (Dec. 2025), 16–26. DOI:https://doi.org/10.69996/fmep.2025027.