Karuppasamy, Sankar Ganesh, and Rajeev Kumar M. “Interpretable Deep Multimodal Fusion of ECG and Facial Expressions for Robust Emotion Detection”. Journal of Innovative Image Processing, vol. 8, no. 4, Oct. 2026, pp. 1532-56, https://doi.org/10.36548/jiip.2026.4.010.