arXiv AI By Fangyuan Liu, Sirui Zhao, Yangsong Zhang, Jinyang Huang, Feng-Qi Cui, Bin Luo, Tong Xu, Enhong Chen

EviDep: Uncertainty-Aware Multimodal Depression Estimation via Disentangled Evidential Learning

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EviDep is a multimodal evidential regression framework for estimating depression severity from audio–visual recordings, incorporating multi‑scale temporal modeling and shared–private representation learning. It uses frequency‑aware feature extraction to decompose behavioral sequences into multiple frequency bands, refined by scale‑specific experts, and applies disentangled evidential learning to separate cross‑modal shared and modality‑specific information. The model outputs Normal‑Inverse‑Gamma distributions via multi‑branch evidential regression, enabling estimation of depression severity along with aleatoric and epistemic uncertainty, and demonstrates competitive accuracy on several benchmark datasets.

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