Segmentation of vertebra based on CT image

doi:10.3778/j.issn.1002-8331.2009.27.071

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (27): 237-239.DOI: 10.3778/j.issn.1002-8331.2009.27.071

• 工程与应用 • Previous Articles Next Articles

Segmentation of vertebra based on CT image

YAO Pei-yan¹，ZHAO Hong-an¹，ZHOU Ming-quan²，HAO Ding-jun³

1.College of Information Science & Technology，Northwest University，Xi’an 710127，China
2.College of Information Science & Technology，Beijing Normal University，Beijing 100875，China
3.Xi’an Red Cross Hospital，Xi’an 710054，China

Received:2008-05-26 Revised:2008-08-28 Online:2009-09-21 Published:2009-09-21
Contact: YAO Pei-yan

基于CT图像的脊椎骨组织分割

姚沛延¹，赵宏安¹，周明全²，郝定均³

1.西北大学信息科学与技术学院，西安 710127
2.北京师范大学信息科学与技术学院，北京 100875
3.西安市红十字医院，西安 710054

通讯作者: 姚沛延

Abstract

Abstract: The research reconstructs the 3-D spinal image and separats 3-D vertebra image from the reconstructed spinal image.Mainly include CT image denoise，2-D segment of spine with single value and morphologic method，3-D reconstruction of segmented spinal image，and separated 3-D vertebra image from reconstructed spinal image by a arithmetic which is called beyond neighbor in space.The separated result shows good effect of this way，and it can be used to do some meaningful things for the virtual surgery of spinal.

Key words: CT medical image, segmentation, vertebra separating

摘要： 研究的内容是对CT图像切片进行三维重建并从重建的三维脊柱模型上分离出单个的脊椎椎骨。主要包括：对原始带噪CT图像进行噪声去除，对CT图像进行单一阀值结合形态学的分割，并仅保留脊椎部分图形；对分割后的结果进行三维重建，得到整个脊柱的三维模型；使用空间超邻域算法，将单个的脊椎椎骨从脊柱三维模型上分离出来。实验结果表明分离出来的单个椎骨效果良好，自动化程度较高，对虚拟脊椎矫正手术有一定的指导意义。

关键词: CT图像, 分割, 椎骨分离

CLC Number:

TP39

YAO Pei-yan¹，ZHAO Hong-an¹，ZHOU Ming-quan²，HAO Ding-jun³. Segmentation of vertebra based on CT image[J]. Computer Engineering and Applications, 2009, 45(27): 237-239.

姚沛延¹，赵宏安¹，周明全²，郝定均³. 基于CT图像的脊椎骨组织分割[J]. 计算机工程与应用, 2009, 45(27): 237-239.

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Segmentation of vertebra based on CT image

基于CT图像的脊椎骨组织分割

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