RARL fine-tunes Qwen2-VL-2B on 716 medical samples with GRPO, LoRA, and a vaguely defined reasoning reward, claiming gains of 7.78% over SFT on reasoning and up to 27% on unseen VQA benchmarks.
Qwen3, April 2025
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RARL: Improving Medical VLM Reasoning and Generalization with Reinforcement Learning and LoRA under Data and Hardware Constraints
RARL fine-tunes Qwen2-VL-2B on 716 medical samples with GRPO, LoRA, and a vaguely defined reasoning reward, claiming gains of 7.78% over SFT on reasoning and up to 27% on unseen VQA benchmarks.