Non-Rigid Registration for High-Resolution Retinal Imaging [PDF]
Diagnostics, 2023 Adaptive optics provides improved resolution in ophthalmic imaging when retinal microstructures need to be identified, counted, and mapped. In general, multiple images are averaged to improve the signal-to-noise ratio or analyzed for temporal dynamics ...
Mircea Mujat +4 more
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Comparison Study of Extraction Accuracy of 3D Facial Anatomical Landmarks Based on Non-Rigid Registration of Face Template [PDF]
Diagnostics, 2023 (1) Background: Three-dimensional (3D) facial anatomical landmarks are the premise and foundation of facial morphology analysis. At present, there is no ideal automatic determination method for 3D facial anatomical landmarks.
Aonan Wen +7 more
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Adaptive Physics-Based Non-Rigid Registration for Immersive Image-Guided Neuronavigation Systems [PDF]
Frontiers in Digital Health, 2021 Objective: In image-guided neurosurgery, co-registered preoperative anatomical, functional, and diffusion tensor imaging can be used to facilitate a safe resection of brain tumors in eloquent areas of the brain. However, the brain deforms during surgery,
Fotis Drakopoulos +15 more
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Non-rigid registration of medical images based on S 2 1 Δ mn 2 $$ {S}_2^1\left({\Delta}_{mn}^{(2)}\right) $$ non-tensor product B-spline [PDF]
Visual Computing for Industry, Biomedicine, and Art, 2022 In this study, a non-tensor product B-spline algorithm is applied to the search space of the registration process, and a new method of image non-rigid registration is proposed.
Qi Zheng, Chaoyue Liu, Jincai Chang
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Groupwise Non-Rigid Registration with Deep Learning: An Affordable Solution Applied to 2D Cardiac Cine MRI Reconstruction [PDF]
Entropy, 2020 Groupwise image (GW) registration is customarily used for subsequent processing in medical imaging. However, it is computationally expensive due to repeated calculation of transformations and gradients.
Elena Martín-González +4 more
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Reliability assessment of the non-rigid registration for central incisors movement evaluation based on CBCT registration [PDF]
Scientific ReportsIn order to solve the problems of magnification and contouring errors in the lateral cephalogram registration method, we have explored a new method to improve the accuracy of lateral cephalogram registration, and we aimed to evaluate its reliability with
Zi-xuan Wu +10 more
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An Effective Non-Rigid Registration Approach for Ultrasound Images Based on the Improved Variational Model of Intensity, Local Phase Information and Descriptor Matching [PDF]
Journal of ImagingUltrasound images have some limitations, such as low signal-to-noise ratio (SNR), speckle noise, lower dynamic range, blurred boundaries, and shadowing; therefore, ultrasound image registration is an important task for estimating tissue motion and ...
Kun Zhang, Jinming Xing, Qingtai Xiao
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Ultrasonic elastography-guided pleural biopsy followed by as-needed semi-rigid thoracoscopic pleural biopsy versus immediate semi-rigid thoracoscopic pleural biopsy for the diagnosis of pleural effusion (UPDATE-3): a protocol of randomised controlled trial [PDF]
Respiratory ResearchIntroduction Exudative pleural effusion of an unclear aetiology remains a diagnostic challenge. Ultrasonic elastography-guided pleural biopsy (UEPB) offers a higher diagnostic yield than conventional ultrasound-guided pleural biopsy; however, its role ...
Liwei Liao +9 more
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An efficient algorithm for non-rigid object registration [PDF]
Компьютерная оптика, 2020 An efficient algorithm for registration of two non-rigid objects based on geometrical transformation of the template object to target object is proposed. The transformation is considered as warping of the template onto the target.
Artyom Makovetskii +3 more
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Elastic AlignedSENSE for Dynamic MR Reconstruction: A Proof of Concept in Cardiac Cine
Entropy, 2021 Numerous methods in the extensive literature on magnetic resonance imaging (MRI) reconstruction exploit temporal redundancy to accelerate cardiac cine.
Alejandro Godino-Moya +4 more
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