Estimation of large motion in lung CT by integrating regularized keypoint correspondences into dense deformable registration

J Rühaak, T Polzin, S Heldmann… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
We present a novel algorithm for the registration of pulmonary CT scans. Our method is
designed for large respiratory motion by integrating sparse keypoint correspondences into a …

Attaining human-level performance with atlas location autocontext for anatomical landmark detection in 3D CT data

AQ O'Neil, A Kascenas, J Henry… - Proceedings of the …, 2018 - openaccess.thecvf.com
We present an efficient neural network method for locating anatomical landmarks in 3D
medical CT scans, using atlas location autocontext in order to learn long-range spatial …

Automatic large quantity landmark pairs detection in 4DCT lung images

Y Fu, X Wu, AM Thomas, HH Li, D Yang - Medical physics, 2019 - Wiley Online Library
Purpose To automatically and precisely detect a large quantity of landmark pairs between
two lung computed tomography (CT) images to support evaluation of deformable image …

The numerical stability of transformation-based CT ventilation

E Castillo, R Castillo, Y Vinogradskiy… - International journal of …, 2017 - Springer
Computed tomography (CT)-derived ventilation imaging utilizes deformable image
registration (DIR) to recover respiratory-induced tissue volume changes from inhale/exhale …

Influence of learned landmark correspondences on lung CT registration

I Bhat, HJ Kuijf, MA Viergever, JPW Pluim - Medical Physics, 2024 - Wiley Online Library
Background Disease or injury may cause a change in the biomechanical properties of the
lungs, which can alter lung function. Image registration can be used to measure lung …

[PDF][PDF] Large deformation diffeomorphic metric mappings: Theory, numerics, and applications

T Polzin - 2018 - mic.uni-luebeck.de
In this thesis three diffeomorphic image registration methods are proposed. A Discretize-
then-Optimize approach is used to derive these methods from optimal control formulations in …

Parallel and memory efficient multimodal image registration for radiotherapy using normalized gradient fields

L König, A Derksen, M Hallmann… - 2015 IEEE 12th …, 2015 - ieeexplore.ieee.org
We introduce a new highly parallel and memory efficient deformable image registration
algorithm to handle challenging clinical applications. The algorithm is based on the …

A discretize–optimize approach for lddmm registration

T Polzin, M Niethammer, FX Vialard… - … Geometric Statistics in …, 2020 - Elsevier
Large deformation diffeomorphic metric mapping (LDDMM) is a popular approach for
deformable image registration with nice mathematical properties. LDDMM encodes spatial …

Reducing non-realistic deformations in registration using precise and reliable landmark correspondences

N Cai, H Chen, Y Li, Y Peng, J Li, X Li - Computers in Biology and Medicine, 2019 - Elsevier
Non-rigid image registration is prone to non-realistic deformations. In this paper, we
proposed a novel landmark-correspondence detection algorithm, with which, the non …

[PDF][PDF] Object-based image analysis for detection and segmentation tasks in biomedical imaging

M Schwier - 2016 - researchgate.net
Object-based image analysis (OBIA) is a concept for analyzing images based on regions
instead of pixels. OBIA allows to effectively incorporate features of regions as well as their …