FAST RANDOM WALKER IMAGE REGISTRATION USING PRECOMPUTATION

被引:0
作者
Andrews, Shawn [1 ]
Tang, Lisa [1 ]
Hamarneh, Ghassan [1 ]
机构
[1] Simon Fraser Univ, Med Image Anal Lab, Sch Comp Sci, Burnaby, BC V5A 1S6, Canada
来源
2014 IEEE 11TH INTERNATIONAL SYMPOSIUM ON BIOMEDICAL IMAGING (ISBI) | 2014年
基金
加拿大自然科学与工程研究理事会;
关键词
Discrete Registration; Precomputation;
D O I
暂无
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
In this paper, we introduce an extension to the random walker image registration method designed to increase the speed at which a registration is performed. Our method involves precomputing data from one of the images being registered while anticipating the acquisition of the second image, and then using this precomputed data to approximate the final transformation once the second image becomes available. The precomputation scheme incorporates a parameter controlling the trade-off between registration speed and accuracy that can be tuned when the registration is being performed. Our results show that with precomputation, random walker image registration runs 3 to 10 times faster on volumetric images with only 3% to 20% loss in registration accuracy.
引用
收藏
页码:189 / 192
页数:4
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