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Integrated Spatio-Temporal Segmentation of Longitudinal Brain Tumor Imaging Studies

机译:纵向脑肿瘤影像学研究的时空综合分割

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Consistent longitudinal segmentation of brain tumor images is a critical issue in treatment monitoring and in clinical trials. Fully automatic segmentation methods are a good candidate for reliably detecting changes of tumor volume over time. We propose an integrated 4D spatio-temporal brain tumor segmentation method, which combines supervised classification with conditional random field regularization in an energy minimization scheme. Promising results and improvements over classic 3D methods for monitoring the temporal volumetric evolution of necrotic, active and edema tumor compartments are demonstrated on a longitudinal dataset of glioma patient images from a multi-center clinical trial. Thanks to its speed and simplicity the approach is a good candidate for standard clinical use.
机译:脑肿瘤图像的一致纵向分割是治疗监测和临床试验中的关键问题。全自动分割方法是可靠地检测肿瘤体积随时间变化的理想选择。我们提出了一种集成的4D时空脑肿瘤分割方法,该方法将监督分类与条件随机场正则化结合在一个能量最小化方案中。在来自多中心临床试验的神经胶质瘤患者图像的纵向数据集中,证明了有希望的结果和对监测坏死,活动和水肿肿瘤区室的时间体积演变的经典3D方法的改进。由于其速度和简便性,该方法是标准临床使用的理想选择。

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