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AI framework cuts brain microstructure scan time by half

Researchers have developed a new, faster protocol for quantifying human gray matter microstructure using diffusion MRI. By employing an Explainable AI (XAI) framework, specifically XGBoost and SHAP, they identified an optimal subset of 8 features that significantly reduces scan time from 27 to 14 minutes. This XAI-driven approach not only achieves results comparable to theoretical optima but also demonstrates superior robustness over heuristic methods, making it adaptable for future imaging systems. AI

影响 Accelerates microstructural mapping and provides a model-agnostic optimization framework for future imaging systems.

排序理由 This is a research paper detailing a new protocol for medical imaging using AI techniques.

在 arXiv cs.AI 阅读 →

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AI framework cuts brain microstructure scan time by half

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  1. arXiv cs.AI TIER_1 English(EN) · Quentin Uhl, Tommaso Pavan, Julianna Gerold, Kwok-Shing Chan, Yohan Jun, Shohei Fujita, Aneri Bhatt, Yixin Ma, Qiaochu Wang, Hong-Hsi Lee, Susie Y. Huang, Berkin Bilgic, Ileana Jelescu ·

    Reduced NEXI protocol for the quantification of human gray matter microstructure on the Connectome 2.0 scanner

    arXiv:2509.09513v2 Announce Type: replace-cross Abstract: Biophysical diffusion MRI models like Neurite Exchange Imaging (NEXI) are essential for probing gray matter microstructure, estimating compartment diffusivities, neurite fraction, and exchange time. However, NEXI's multi-s…