Automatic lung nodule matching on sequential CT images

Computers in Biology and Medicine
Helen HongYeny Yim

Abstract

We propose an automatic segmentation and registration method that provides more efficient and robust matching of lung nodules in sequential chest computed tomography (CT) images. Our method consists of four steps. First, the lungs are extracted from chest CT images by the automatic segmentation method. Second, gross translational mismatch is corrected by optimal cube registration. This initial alignment does not require extracting any anatomical landmarks. Third, the initial alignment is step-by-step refined by hierarchical surface registration. To evaluate the distance measures between lung boundary points, a three-dimensional distance map is generated by narrow-band distance propagation, which drives fast and robust convergence to the optimal value. Finally, correspondences of manually detected nodules are established from the pairs with the smallest Euclidean distances. Experimental results show that our segmentation method accurately extracts lung boundaries and the registration method effectively finds the nodule correspondences.

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Citations

Aug 24, 2011·Medical Physics·Suicheng GuJiantao Pu
Feb 1, 2014·Computers in Biology and Medicine·Hyun Hee JoJin Mo Goo
Jul 22, 2011·IEEE Transactions on Bio-medical Engineering·Seongjin ParkYeong-Gil Shin
Feb 18, 2014·Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society·Suicheng GuJiantao Pu
Aug 4, 2015·Medical Physics·Georgios VlachopoulosLena Costaridou
Aug 8, 2013·Medical Image Analysis·Rina D RudyantoArrate Muñoz-Barrutia
Feb 18, 2012·Medical Image Analysis·Vladlena GorbunovaMarleen de Bruijne
Nov 23, 2016·IEEE Transactions on Visualization and Computer Graphics·Hyunjoo SongJinwook Seo
May 19, 2011·Journal of Applied Clinical Medical Physics·José Silvestre SilvaLuísa Teixeira
Jun 27, 2012·AJR. American Journal of Roentgenology·Chi Wan KooJane P Ko
Oct 20, 2020·Medical Image Analysis·Xavier Rafael-PalouMiguel A González Ballester

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