Interslice interpolation method for medical image based on voxel similarity

doi:10.3724/SP.J.1087.2012.00538

Journal of Computer Applications ›› 2012, Vol. 32 ›› Issue (02): 538-553.DOI: 10.3724/SP.J.1087.2012.00538

• Graphics and image technology • Previous Articles Next Articles

Interslice interpolation method for medical image based on voxel similarity

MA Wei¹,CHEN Jia-xin¹,PAN Wei-wei²

1. College of Electronic and Information Engineering, Henan University of Science and Technology, Luoyang Henan 471003, China
2. College of International Education, Henan University of Science and Technology, Luoyang Henan 471003, China

Received:2011-06-30 Revised:2011-09-13 Online:2012-02-23 Published:2012-02-01
Contact: MA Wei

基于体素相似度的医学图像层间插值方法

马伟¹,陈家新¹,潘维薇²

1. 河南科技大学电子信息工程学院，河南洛阳 471003
2. 河南科技大学国际教育学院, 河南洛阳 471003

通讯作者: 马伟
作者简介:马伟(1985-)，男，河南开封人，硕士研究生，主要研究方向：数字图像处理；
陈家新(1962-)，男，河南信阳人，教授，博士，主要研究方向：虚拟现实、计算机图形与图像处理、智能控制;
潘维薇(1962-)，女，山东济南人，工程师，主要研究方向：机械制造
基金资助:
河南省科技厅自然科学基金资助项目(112102310313)

Abstract

Abstract: Cross-sectional interpolation is one of the key steps in 3D reconstruction of medical images. Considering the shortcomings of current interpolation methods, such as blurring the object boundary and low computational efficiency, an interslice interpolation method for medical images based on voxel similarity was proposed in this paper. According to the principle of voxel relativity in cross-section images and structures feature, this method calculated the relativity of voxels to classify pixels and interpolated it. The experimental results illustrate that the new method has less computational complexity and better improves the quality of image than the previous interpolation methods.

Key words: interpolation, correlation coefficient, image matching, structures feature, three-dimensional reconstruction

摘要： 断层图像层间插值是医学图像三维重建的一个重要环节,但现有插值算法易引起图像边界模糊或效率低下的不足。为此提出一种基于体素相似度的医学图像层间插值算法。该算法根据断层图像的体素相关性和组织本身特征信息计算其体素的相似度，并利用其相似度对插值点进行分类插值。实验结果表明，和已有的算法比较，新算法较好地提高了插值图像的质量，并且计算量大为减少。

关键词: 插值, 相关系数, 图像匹配, 组织特征, 三维重建

CLC Number:

TP391.41

MA Wei CHEN Jia-xin PAN Wei-wei. Interslice interpolation method for medical image based on voxel similarity[J]. Journal of Computer Applications, 2012, 32(02): 538-553.

马伟陈家新潘维薇. 基于体素相似度的医学图像层间插值方法[J]. 计算机应用, 2012, 32(02): 538-553.

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Interslice interpolation method for medical image based on voxel similarity

基于体素相似度的医学图像层间插值方法

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