Explaining Pain by Combining Deep Learning Models and Physiology-Driven Ensembles using PPG, EDA, and Respiration - Javierre del Rio, Miguel; Armanac Julian, Pablo; Lozano Punet, Rodrigo; Cajal Orleans, Diego; Wadhwani, Nayan; Lazaro, Jesus; Bailon Luesma, Raquel (COMPANION PUBLICATION OF THE 27TH INTERNATIONAL CONFERENCE ON MULTIMODAL INTERACTION, ICMI 2025 COMPANION, 2025)