Evaluation of lobar biomechanics during respiration using image registration.
Evaluation of lobar biomechanics during respiration using image registration.
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DOI:
10.1007/978-3-642-04268-3_91
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发表时间:
2009
期刊:
影响因子:
--
通讯作者:
Reinhardt, Joseph M.
中科院分区:
文献类型:
--
作者:
Ding, Kai;Yin, Youbing;Cao, Kunlin;Christensen, Gary E.;Lin, Ching-Long;Hoffman, Eric A.;Reinhardt, Joseph M.
The human lungs are divided into five independent compartments called lobes. The lobar fissures separate the lung lobes. It is hypothesized that the lobar surfaces slide against each other during respiration. We propose a method to evaluate the sliding motion of the lobar surfaces during respiration using lobe-by-lobe mass-preserving non-rigid image registration. We measure lobar sliding by evaluating the relative displacement on both sides of the fissure. The results show a superior-inferior gradient in the magnitude of lobar sliding. We compare whole-lung-based registration accuracy to lobe-by-lobe registration accuracy using vessel bifurcation landmarks.
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