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cs.CV2026

Task-Specific Feature Fusion Method for Multi-Task Affective Behavior Analysis

Jiajun Sun, Zhe Gao

The paper proposes a task-adaptive feature fusion approach that uses frozen pretrained visual backbones and task‑specific fusion/prediction modules to jointly predict valence‑arous…

cs.CV2026

A Two-Stage Dual-Modality Model for Facial Emotional Expression Recognition

Jiajun Sun, Zhe Gao

This paper addresses the expression (EXPR) recognition challenge in the 10th Affective Behavior Analysis in-the-Wild (ABAW) workshop and competition, which requires frame-level cla…

cs.CV2026

ChartE: A Comprehensive Benchmark for End-to-End Chart Editing

Shuo Li, Jiajun Sun, Zhekai Wang +9

Charts are a fundamental visualization format for structured data analysis. Enabling end-to-end chart editing according to user intent is of great practical value, yet remains chal…

cs.CV2025

The Role of Entropy in Visual Grounding: Analysis and Optimization

Shuo Li, Jiajun Sun, Zhihao Zhang +10

Recent advances in fine-tuning multimodal large language models (MLLMs) using reinforcement learning have achieved remarkable progress, particularly with the introduction of variou…

cs.CV2025

Mitigating Object Hallucinations in MLLMs via Multi-Frequency Perturbations

Shuo Li, Jiajun Sun, Guodong Zheng +10

Recently, multimodal large language models (MLLMs) have demonstrated remarkable performance in visual-language tasks. However, the authenticity of the responses generated by MLLMs…