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- W4386028154 abstract "Abstract We present BundleCleaner , an unsupervised multi-step frame-work that can filter, denoise and subsample bundles derived from diffusion MRI-based whole-brain tractography. Our approach considers both the global bundle structure and local streamline-wise features. We apply BundleCleaner to bundles generated from single-shell diffusion MRI data in an independent clinical sample of older adults from India using probabilistic tractography and the resulting ‘cleaned’ bundles can better align with the atlas bundles with reduced overreach. In a downstream tractometry analysis, we show that the cleaned bundles, represented with less than 20% of the original set of points, can robustly localize along-tract microstructural differences between 32 healthy controls and 34 participants with Alzheimer’s disease ranging in age from 55 to 84 years old. Our approach can help reduce memory burden and improving computational efficiency when working with tractography data, and shows promise for large-scale multi-site tractometry." @default.
- W4386028154 created "2023-08-22" @default.
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- W4386028154 date "2023-08-21" @default.
- W4386028154 modified "2023-10-17" @default.
- W4386028154 title "<i>BundleCleaner</i>: Unsupervised Denoising and Subsampling of Diffusion MRI-Derived Tractography Data" @default.
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- W4386028154 doi "https://doi.org/10.1101/2023.08.19.553990" @default.
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