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Segmentation of Cerebrovascular Anatomy from TOF-MRA Using Length-Strained Enhancement and Random Walker
BioMed Research International ( IF 3.246 ) Pub Date : 2020-09-21 , DOI: 10.1155/2020/9347215 Ruoxiu Xiao 1, 2 , Cheng Chen 1 , Hanying Zou 3 , Ying Luo 1 , Jiayu Wang 1 , Muxi Zha 1 , Ming-An Yu 4
BioMed Research International ( IF 3.246 ) Pub Date : 2020-09-21 , DOI: 10.1155/2020/9347215 Ruoxiu Xiao 1, 2 , Cheng Chen 1 , Hanying Zou 3 , Ying Luo 1 , Jiayu Wang 1 , Muxi Zha 1 , Ming-An Yu 4
Affiliation
Cerebrovascular rupture can cause a severe stroke. Three-dimensional time-of-flight (TOF) magnetic resonance angiography (MRA) is a common method of obtaining vascular information. This work proposes a fully automated segmentation method for extracting the vascular anatomy from TOF-MRA. The steps of the method are as follows. First, the brain is extracted on the basis of regional growth and path planning. Next, the brain’s highlighted connected area is explored to obtain seed point information, and the Hessian matrix is used to enhance the contrast of image. Finally, a random walker combined with seed points and enhanced images is used to complete vascular anatomy segmentation. The method is tested using 12 sets of data and compared with two traditional vascular segmentation methods. Results show that the described method obtains an average Dice coefficient of 90.68%, and better results were obtained in comparison with the traditional methods.
中文翻译:
使用长度应变增强和随机Walker从TOF-MRA分割脑血管解剖结构
脑血管破裂可导致严重中风。三维飞行时间(TOF)磁共振血管造影(MRA)是获取血管信息的常用方法。这项工作提出了一种用于从TOF-MRA中提取血管解剖结构的全自动分割方法。该方法的步骤如下。首先,根据区域增长和路径规划来提取大脑。接下来,探索大脑突出显示的连接区域以获得种子点信息,然后使用Hessian矩阵来增强图像的对比度。最后,结合种子点和增强图像的随机助步器用于完成血管解剖分割。该方法使用12组数据进行了测试,并与两种传统的血管分割方法进行了比较。
更新日期:2020-09-22
中文翻译:
使用长度应变增强和随机Walker从TOF-MRA分割脑血管解剖结构
脑血管破裂可导致严重中风。三维飞行时间(TOF)磁共振血管造影(MRA)是获取血管信息的常用方法。这项工作提出了一种用于从TOF-MRA中提取血管解剖结构的全自动分割方法。该方法的步骤如下。首先,根据区域增长和路径规划来提取大脑。接下来,探索大脑突出显示的连接区域以获得种子点信息,然后使用Hessian矩阵来增强图像的对比度。最后,结合种子点和增强图像的随机助步器用于完成血管解剖分割。该方法使用12组数据进行了测试,并与两种传统的血管分割方法进行了比较。