Pei-Sze Tan, Sailaja Rajanala, Arghya Pal, Raphaël C.-W. Phan, Huey-Fang Ong,
Causal-Ex: Causal graph-based micro and macro expression spotting,
Pattern Recognition Letters,
Volume 200,
2026,
Pages 52-59,
ISSN 0167-8655,
https://doi.org/10.1016/j.patrec.2025.12.002.