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cs.CV2026
Teach-to-Reason: Competition-Guided Reasoning with a Self-Improving Teacher
Xiao Han, Hao Liu, Zhimin Bao +5
Chest X-ray visual question answering (CXR VQA) requires models not only to predict correct answers, but also to produce reliable medical reasoning. However, existing reinforcement…
cs.LG2026
ECHO: Efficient Chest X-ray Report Generation with One-step Block Diffusion
Lifeng Chen, Tianqi You, Hao Liu +8
Chest X-ray report generation (CXR-RG) has the potential to substantially alleviate radiologists' workload. However, conventional autoregressive vision--language models (VLMs) suff…