Towards Emotion Recognition with 3D Pointclouds Obtained from Facial Expression Images. - Laura Rayón Ropero; Jasper De Laet; Filip Lemic; Pau Sabater Nácher; Nabeel Nisar Bhat; Sergi Abadal; Jeroen Famaey; Eduard Alarcón; Xavier Costa-Pérez (CoRR, 2026)