activity
20242026
collaborators

6 papers

cs.LG2026

Sparsity Forcing: Reinforcing Token Sparsity of MLLMs

Feng Chen, Yefei He, Lequan Lin +4

Sparse attention mechanisms aim to reduce computational overhead with minimal accuracy loss by selectively processing salient tokens. Despite their effectiveness, most methods mere…

cs.CV2025

OmniSparse: Training-Aware Fine-Grained Sparse Attention for Long-Video MLLMs

Feng Chen, Yefei He, Shaoxuan He +9

Existing sparse attention methods primarily target inference-time acceleration by selecting critical tokens under predefined sparsity patterns. However, they often fail to bridge t…

cs.CV2025

Evaluating and Advancing Multimodal Large Language Models in Perception Ability Lens

Feng Chen, Chenhui Gou, Jing Liu +6

As multimodal large language models (MLLMs) advance rapidly, rigorous evaluation has become essential, providing further guidance for their development. In this work, we focus on a…

cs.CL2024

Channel Merging: Preserving Specialization for Merged Experts

Mingyang Zhang, Jing Liu, Ganggui Ding +3

Lately, the practice of utilizing task-specific fine-tuning has been implemented to improve the performance of large language models (LLM) in subsequent tasks. Through the integrat…

cs.CV2024

ZipVL: Efficient Large Vision-Language Models with Dynamic Token Sparsification

Yefei He, Feng Chen, Jing Liu +4

The efficiency of large vision-language models (LVLMs) is constrained by the computational bottleneck of the attention mechanism during the prefill phase and the memory bottleneck…

cs.CL2024

ME-Switch: A Memory-Efficient Expert Switching Framework for Large Language Models

Jing Liu, Ruihao Gong, Mingyang Zhang +3

LLM development involves pre-training a foundation model on massive data, followed by fine-tuning on task-specific data to create specialized experts. Serving these experts can pos…