arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1909.05488eess.IVcs.CV
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一种基于多序列MR图像的心脏自动分割框架

An Automatic Cardiac Segmentation Framework based on Multi-sequence MR Image

Harbin Institute of Technology(哈尔滨工业大学)

Yashu Liu, Wei Wang, Kuanquan Wang, Chengqin Ye, Gongning Luo

摘要:

LGE CMR是检测梗死心肌的有效技术。一种有效、客观的心室分割方法有助于LGE中梗死心肌的定位。在本文中,我们提出了一个自动框架的LGE图像分割。只有5个标记的LGE体积,每个体积约有15个切片。我们采用直方图匹配,旋转不变的配准方法,对其他标记的模态,以实现有效的增强训练数据。基于扩充后的训练数据,采用留一法训练CNN分割模型。模型的预测结果对每个类别进行连通分量分析,以保留最大连通分量作为最终分割结果。我们的模型通过2019年多序列心脏MR分割挑战进行了评估。Dice评分、Jaccard评分、表面距离和Hausdorff距离的40个测试体积的平均测试结果分别为0.8087、0.6976、2.8727 mm和15.6387 mm。实验结果表明,该框架具有良好的性能.代码可在https://github.com/Suiiyu/MS-CMR2019上获得。

英文摘要:

LGE CMR is an efficient technology for detecting infarcted myocardium. An efficient and objective ventricle segmentation method in LGE can benefit the location of the infarcted myocardium. In this paper, we proposed an automatic framework for LGE image segmentation. There are just 5 labeled LGE volumes with about 15 slices of each volume. We adopted histogram match, an invariant of rotation registration method, on the other labeled modalities to achieve effective augmentation of the training data. A CNN segmentation model was trained based on the augmented training data by leave-one-out strategy. The predicted result of the model followed a connected component analysis for each class to remain the largest connected component as the final segmentation result. Our model was evaluated by the 2019 Multi-sequence Cardiac MR Segmentation Challenge. The mean testing result of 40 testing volumes on Dice score, Jaccard score, Surface distance, and Hausdorff distance is 0.8087, 0.6976, 2.8727mm, and 15.6387mm, respectively. The experiment result shows a satisfying performance of the proposed framework. Code is available at https://github.com/Suiiyu/MS-CMR2019.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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