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abstract indexed · arXiv 2610.01166 · updated 2026-10-18

CineMR: Tool-Integrated Vision-Language Reasoning for Quantitative Cardiac MRI Assessment

First page of CineMR: Tool-Integrated Vision-Language Reasoning for Quantitative Cardiac MRI Assessment
From the original paper · arXiv 2610.01166Page 1. Select the image to read the PDF.

CineMR replaces direct vision-language prediction of cardiac measurements with a VLM that calls segmentation, volumetry, morphometry, and wall-motion tools and reasons over their outputs, trained via SFT on tool traces plus GRPO with tool-use rewards. Adoption requires implementing and validating the domain-specific analysis tools and running a two-stage SFT-plus-GRPO training pipeline, which is feasible only with LoRA-scale tuning on a single 24 GB GPU and is specific to the cardiac MRI domain. It can fail through tool invocation errors in the residual 0.2% of cases, compounding errors from the underlying analysis tools, distribution shift across scanner cohorts, and the absolute pass@1 of 35.9% remaining too low for autonomous clinical use.

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Tool-augmented VLM for quantitative cardiac MRI
published
2026-10-01

The tool-integrated reasoning pattern is transferable, but the contribution is tightly coupled to a regulated medical-imaging domain, a bespoke tool stack, and a reinforcement-learning training stage that exceed what a constrained-infrastructure team can adopt directly without a cardiac MRI use case.

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  1. claim 01Paperraft inference
    Read the brief interpretation

    CineMR replaces direct vision-language prediction of cardiac measurements with a VLM that calls segmentation, volumetry, morphometry, and wall-motion tools and reasons over their outputs, trained via SFT on tool traces plus GRPO with tool-use rewards. Adoption requires implementing and validating the domain-specific analysis tools and running a two-stage SFT-plus-GRPO training pipeline, which is feasible only with LoRA-scale tuning on a single 24 GB GPU and is specific to the cardiac MRI domain. It can fail through tool invocation errors in the residual 0.2% of cases, compounding errors from the underlying analysis tools, distribution shift across scanner cohorts, and the absolute pass@1 of 35.9% remaining too low for autonomous clinical use.

    This is a Paperraft inference. It is not pinned to a verified PDF passage.

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  2. claim 02Paperraft inference

    35.9% pass@1 on a multi-cohort cine CMR benchmark versus 1.5% for the Qwen3-VL-8B backbone; correct tool invocation reaches 99.8% after GRPO, and removing tools drops pass@1 to 27.9%.

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Provisional research brief updated 2026-10-18. Paperraft has not reproduced this experiment.

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arXiv 2610.01166

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