Vungsovanreach Kong, Saravit Soeng, Munirot Thon, Wan-Sup Cho, Anand Nayyar, Tae-Kyung Kim. "PIFR: A novel approach for analyzing pose angle-based human activity to automate fall detection in videos." PLoS ONE (2025). https://doi.org/10.1371/journal.pone.0325253