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Dingjie Song

5 accepted papers

2025

Both Text and Images Leaked! A Systematic Analysis of Data Contamination in Multimodal LLM

EMNLP 2025

The rapid advancement of multimodal large language models (MLLMs) has significantly enhanced performance across benchmarks. However, data contamination — partial/entire benchmark data is included in the model’s training set — poses critical challenges for fair evaluation. Existing detection methods

2025

Exploring Compositional Generalization of Multimodal LLMs for Medical Imaging

ACL 2025long

Medical imaging provides essential visual insights for diagnosis, and multimodal large language models (MLLMs) are increasingly utilized for its analysis due to their strong generalization capabilities; however, the underlying factors driving this generalization remain unclear. Current research sugg…

2025

Less is More: A Simple yet Effective Token Reduction Method for Efficient Multi-modal LLMs

COLING 2025main

The rapid advancement of Multimodal Large Language Models (MLLMs) has led to remarkable performances across various domains. However, this progress is accompanied by a substantial surge in the resource consumption of these models. We address this pressing issue by introducing a new approach, Token R…

2025

LongLLaVA: Scaling Multi-modal LLMs to 1000 Images Efficiently via a Hybrid Architecture

EMNLP 2025

Expanding the long-context capabilities of Multi-modal Large Language Models (MLLMs) is critical for advancing video understanding and high-resolution image analysis. Achieving this requires systematic improvements in model architecture, data construction, and training strategies, particularly to ad

2025

MLLM-Bench: Evaluating Multimodal LLMs with Per-sample Criteria

NAACL 2025long

Multimodal large language models (MLLMs) have broadened the scope of AI applications. Existing automatic evaluation methodologies for MLLMs are mainly limited in evaluating objective queries without considering real-world user experiences, inadequately addressing the nuances of creative and associat…