Fine-grained emotion recognition: fusion of physiological signals and facial expressions on spontaneous emotion corpus. - Feri Setiawan; Aria Ghora Prabono; Sunder Ali Khowaja; Wangsoo Kim; Kyoungsoo Park; Bernardo Nugroho Yahya; Seok-Lyong Lee; Jin Pyo Hong (Int. J. Ad Hoc Ubiquitous Comput., 2020)