activity
20242026
collaborators

7 papers

cs.AI2026

Affect-Prototype Guided Fusion for Open-Vocabulary Incomplete Multi-modal Emotion Recognition

Yichi Zhang, Shenyue Wang, Jing Luo +2

Open-vocabulary multimodal emotion recognition (OV-MER) aims to generate open natural-language emotion labels from multimodal affective cues. In real-world scenarios, however, comp…

cs.LG2025

FairMT: Fairness for Heterogeneous Multi-Task Learning

Guanyu Hu, Tangzheng Lian, Na Yan +5

Fairness in machine learning has been extensively studied in single-task settings, while fair multi-task learning (MTL), especially with heterogeneous tasks (classification, detect…

cs.CV2025

CausalAffect: Causal Discovery for Facial Affective Understanding

Guanyu Hu, Tangzheng Lian, Dimitrios Kollias +2

Understanding human affect from facial behavior requires not only accurate recognition but also structured reasoning over the latent dependencies that drive muscle activations and…

cs.CV2025

Grounding Emotion Recognition with Visual Prototypes: VEGA -- Revisiting CLIP in MERC

Guanyu Hu, Dimitrios Kollias, Xinyu Yang

Multimodal Emotion Recognition in Conversations remains a challenging task due to the complex interplay of textual, acoustic and visual signals. While recent models have improved p…

cs.LG2025

Fair Domain Generalization: An Information-Theoretic View

Tangzheng Lian, Guanyu Hu, Dimitrios Kollias +2

Domain generalization (DG) and algorithmic fairness are two critical challenges in machine learning. However, most DG methods focus only on minimizing expected risk in the unseen t…

cs.CV2024

Rethinking Affect Analysis: A Protocol for Ensuring Fairness and Consistency

Guanyu Hu, Dimitrios Kollias, Eleni Papadopoulou +3

Evaluating affect analysis methods presents challenges due to inconsistencies in database partitioning and evaluation protocols, leading to unfair and biased results. Previous stud…

cs.CV2024

Robust Facial Reactions Generation: An Emotion-Aware Framework with Modality Compensation

Guanyu Hu, Jie Wei, Siyang Song +4

The objective of the Multiple Appropriate Facial Reaction Generation (MAFRG) task is to produce contextually appropriate and diverse listener facial behavioural responses based on…