2021
DOI: 10.1109/jbhi.2020.3030071
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Lung Respiratory Motion Estimation Based on Fast Kalman Filtering and 4D CT Image Registration

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Cited by 10 publications
(6 citation statements)
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References 37 publications
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“…For dynamic motion estimation of continuous phases, in 2020, P. Xue et al [ 104 ] proposed a lung respiratory motion estimation method (LRME-4DCT) based on fast Kalman filtering and 4DCT image registration. Each phase was registered using isoPTV and HOMRF registration methods, and the registration results were used as the observation and prediction vectors of the constructed motion estimation model, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…For dynamic motion estimation of continuous phases, in 2020, P. Xue et al [ 104 ] proposed a lung respiratory motion estimation method (LRME-4DCT) based on fast Kalman filtering and 4DCT image registration. Each phase was registered using isoPTV and HOMRF registration methods, and the registration results were used as the observation and prediction vectors of the constructed motion estimation model, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Even though the PCA movement model described by [11] appears promising based on the findings of a limited group of patients, more research is needed to determine why it operates and whether there is a deeper relationship between the 2 pulmonary movement models than their surface mathematical similarities. Low's 5D pulmonary movement model is a physiological concept that is based on pulmonary architecture and movement dynamics [12]. The PCA movement model, on either side, is more mathematically flavored and is based on a multivariate statistical technique.…”
Section: Methodsmentioning
confidence: 99%
“…GPU-accelerated lung DIR has been implemented in [12,13,18,19,23,26,30], achieving computational acceleration compared to the CPU implementation while maintaining similar levels of registration accuracy. For example, in [30], the authors accomplished an impressive runtime of around 6 seconds, setting a record as the fastest completion time within the Case 1 to Case 4 DIR-Lab dataset. In particular, a GPU implementation of the Demons algorithm is detailed in [13,23], showcasing substantial acceleration compared to its CPU implementation.…”
Section: Single Gpu Implementationmentioning
confidence: 99%
“…This limits medical applications that are highly time-constrained, such as image-guided adaptive radiation therapy, where images must be continuously registered while the patient is breathing. Several studies have proposed DIR methods to achieve a speedup by utilizing different accelerators such as graphics processing units (GPUs) [3,12,13,18,19,23,26,30]. A few authors have also proposed a multi-GPU-based DIR framework to accelerate the registration time [2].…”
mentioning
confidence: 99%