الباحثون

Hongcheng Liu

المنشورات 2

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MMPostTrainBench: Benchmarking Autonomous Research for Multimodal Post-Training

Yuxin Liu, Yuxuan Wang, Zhenxin Lei وآخرون · 2026

Autonomous research seeks sustained model improvements through iterative experimentation and feedback. LLM agents show promise in automating machine learning and language-model post-training, but their ability to sustain multimodal improvement remains unclear. We introduce MMPostTrainBench, a benchmark spanning eight t …

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Text-Centric Post-Training for Omni-Modal Reasoning

Ziyang Cheng, Yuhao Wang, Hongcheng Liu وآخرون · 2026

Improving joint audio-visual reasoning in Omni Large Language Models typically incurs substantial data construction and training costs. Our diagnostics reveal multi-hop reasoning difficulties despite correct answers to all corresponding single-hop questions and suggest partial decoupling in the local optimization of pe …

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