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    "headline": "Trees Registered Without Matching Branches",
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    "dek": "Poisson Flow turns branching geometry into smooth distributions before comparing shapes.",
    "summary": "Poisson Flow turns branching geometry into smooth distributions before comparing shapes.",
    "body_text": "A registration method transforms tree structures into multiscale smooth distributions and optimizes a Wasserstein objective without explicit landmarks or branch correspondence. The authors demonstrate the approach on cortical folding extracted from MRI; the preprint does not establish clinical diagnostic utility.",
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      "title": "arXiv preprint 2608.04770",
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