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基于扩散张量磁共振成像的丘脑分割

Thalamus segmentation from diffusion tensor magnetic resonance imaging.

作者信息

Duan Ye, Li Xiaoling, Xi Yongjian

机构信息

Department of Computer Science, College of Engineering, University of Missouri-Columbia, Columbia, MO 65211-2060, USA.

出版信息

Int J Biomed Imaging. 2007;2007:90216. doi: 10.1155/2007/90216.

DOI:10.1155/2007/90216
PMID:18274658
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2234355/
Abstract

We propose a semi-automatic thalamus and thalamus nuclei segmentation algorithm from Diffusion Tensor Magnetic Resonance Imaging (DT-MRI) based on the mean-shift algorithm. Comparing with existing thalamus segmentation algorithms which are mainly based on K-means algorithm, our mean-shift based algorithm is more flexible and adaptive. It does not assume a Gaussian distribution or a fixed number of clusters. Furthermore, the single parameter in the mean-shift based algorithm supports hierarchical clustering naturally.

摘要

我们提出了一种基于均值漂移算法的、用于从扩散张量磁共振成像（DT-MRI）中半自动分割丘脑及其核团的算法。与现有的主要基于K均值算法的丘脑分割算法相比，我们基于均值漂移的算法更加灵活且自适应。它不假定高斯分布或固定数量的聚类。此外，基于均值漂移的算法中的单一参数自然地支持层次聚类。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc3d/2234355/09121fd03751/IJBI2007-90216.008.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc3d/2234355/c00ed833cd36/IJBI2007-90216.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc3d/2234355/4a9a16301a06/IJBI2007-90216.007.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc3d/2234355/b57d208a0a64/IJBI2007-90216.002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc3d/2234355/f0d541ae12aa/IJBI2007-90216.005.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc3d/2234355/09121fd03751/IJBI2007-90216.008.jpg

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Nat Neurosci. 2003 Jul;6(7):750-7. doi: 10.1038/nn1075.
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Processing and visualization for diffusion tensor MRI.扩散张量磁共振成像的处理与可视化
一种多对比度 MRI 方法用于丘脑分割。
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Automatic Thalamus Segmentation on Unenhanced 3D T1 Weighted Images: Comparison of Publicly Available Segmentation Methods in a Pediatric Population.基于未增强 3D T1 加权图像的丘脑自动分割：在儿科人群中比较公开可用的分割方法。
Neuroinformatics. 2019 Jul;17(3):443-450. doi: 10.1007/s12021-018-9408-7.
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A probabilistic atlas of the human thalamic nuclei combining ex vivo MRI and histology.人类丘脑核概率图谱：结合离体 MRI 和组织学研究。
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