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Weill Cornell Medicine

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Research library22linked papers
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Selected work

Representative Papers

GeoPose: Patient-agnostic CTA-to-DSA registration through projection-space calibration

Aug 17, 2026

This study addresses the challenges of initialization dependency and patient-specific training in intraoperative DSA-CTA registration by proposing GeoPose, a novel framework employing population-level training and projection-space calibration to align poses within the native coordinate system. By integrating residual networks with lightweight optimization, GeoPose achieves cross-individual generalization without patient adaptation and enables direct registration in native frames. Experimental results demonstrate that without optimization, the mean centerline distance (mPCD) is 5.8 mm (0.15 s); after 25 iterations, mPCD decreases to 4.6 mm and clDice increases to 0.58, significantly outperforming baseline methods. These improvements effectively support downstream biplane vascular reconstruction, offering a robust solution for real-time clinical applications.

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Latest Papers

GeoPose: Patient-agnostic CTA-to-DSA registration through projection-space calibration

Aug 17, 2026

This study addresses the challenges of initialization dependency and patient-specific training in intraoperative DSA-CTA registration by proposing GeoPose, a novel framework employing population-level training and projection-space calibration to align poses within the native coordinate system. By integrating residual networks with lightweight optimization, GeoPose achieves cross-individual generalization without patient adaptation and enables direct registration in native frames. Experimental results demonstrate that without optimization, the mean centerline distance (mPCD) is 5.8 mm (0.15 s); after 25 iterations, mPCD decreases to 4.6 mm and clDice increases to 0.58, significantly outperforming baseline methods. These improvements effectively support downstream biplane vascular reconstruction, offering a robust solution for real-time clinical applications.

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