Registration-based interpolation

被引：78

作者：

Penney, GP ^{[1
]}

Schnabel, JA

Rueckert, D

Viergever, MA

Niessen, WJ

机构：

[1] Univ Utrecht, Med Ctr, Image Sci Inst, NL-3584 CX Utrecht, Netherlands

[2] Guys Kings & St Thomas Sch Med, Div Imaging Sci, London SE1 9RT, England

[3] Univ London Imperial Coll Sci Technol & Med, Dept Comp, London SW7 2AZ, England

来源：

IEEE TRANSACTIONS ON MEDICAL IMAGING | 2004年 / 23卷 / 07期

关键词：

interpolation; registration;

D O I：

10.1109/TMI.2004.828352

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A method is presented to interpolate between neighboring slices in a grey-scale tomographic data set. Spatial correspondence between adjacent slices is established using a nonrigid registration algorithm based on B-splines which optimizes the normalized mutual information similarity measure. Linear interpolation of the image intensities is then carried out along the directions calculated by the registration algorithm. The registration-based method is compared to both standard linear interpolation and shape-based interpolation in 20 tomographic data sets. Results show that the proposed method statistically significantly outperforms both linear and shape-based interpolation.

引用

页码：922 / 926

页数：5

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