A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf
.
Filters
Validation of Non-rigid Registration of Contrast-Enhanced MR Mammography Using Finite Element Methods
[chapter]
2002
Bildverarbeitung für die Medizin 2002
This paper presents a validation study for non-rigid registration of 3D contrast enhanced magnetic resonance mammography images. ...
We compare the performance of two non-rigid registration algorithms based on single-and multilevel free-form deformations using B-splines and normalized mutual information. ...
We have presented a non-rigid registration validation study for CE-MR mammography using finite element methods as a biomechanical gold standard, and have successfully validated two FFD-based non-rigid ...
doi:10.1007/978-3-642-55983-9_33
fatcat:bz46wibuovbcrcvm5sth7mcrvu
Finite-Element Based Image Registration for Endovascular Aortic Aneurysm Repair
2020
Modelling
The method relies on a 3D finite-element model (FEM) of the aortic centerline reconstructed from preoperative CT scans. ...
Finally, the major asset of our method is that it only requires one fluoroscopic intraoperative 2D image to perform the 3D non-rigid registration. ...
A detailed flowchart of the proposed framework for the finite element model of the non-rigid registration method is shown in Figure 2 . ...
doi:10.3390/modelling1010002
fatcat:cfggkc7s5ne7xd7kwyro3ppqeu
Biomechanically Driven Registration of Pre- to Intra-Operative 3D Images for Laparoscopic Surgery
[chapter]
2013
Lecture Notes in Computer Science
The proposed method was validated by five synthetic data sets generated from clinical images and three pairs of in vivo CT scans acquired from two pigs, before and after insufflation. ...
This paper proposes a novel registration method for pre-and intra-operative 3D image fusion for laparoscopic surgery. ...
Method The registration method consists of two main steps: insufflation modeling and diffeomorphic non-rigid registration. ...
doi:10.1007/978-3-642-40763-5_1
fatcat:2dkjbxxzlzcdzcbnr4vjwxmvkq
Inter-modality non-rigid breast image registration using finite-element method
2003
2003 IEEE Nuclear Science Symposium. Conference Record (IEEE Cat. No.03CH37515)
James, "Inter-modality non-rigid breast image registration using finite-element method" Abstract-We have investigated a new approach for co-registration of functional PET images with anatomical MR images ...
Our method uses fiducial skin markers placed on the breast that can be observed in PET and MRI. ...
Multimodality Registration Using Finite Element Method For the co-registration, we employed finite-element method (FEM) to generate a 3D finite-element model of the breast phantom. ...
doi:10.1109/nssmic.2003.1352263
fatcat:tq4vxsdfebaozam7wxzdf3ddbu
Three-dimensional finite element model for lesion correspondence in breast imaging
2004
Medical Imaging 2004: Image Processing
In [42] and [43] non-rigid registration methods were explored and in [9] a novel validation method was proposed. ...
the best finite element model that approximates the non-rigid movement of a given object. ...
After the registration we back project the feature point into the 3D breast model and record the elements that correspond to that feature in X-ray CC view. ...
doi:10.1117/12.535719
dblp:conf/miip/Qiu0GSAC04
fatcat:n5e3jyflhnajpfiyw7uhrdoffm
Validation of Volume-Preserving Non-rigid Registration: Application to Contrast-Enhanced MR-Mammography
[chapter]
2002
Lecture Notes in Computer Science
The validation is based on the simulation of physically plausible breast deformations with biomechanical breast models (BBMs) employing finite element methods. ...
We assessed the accuracy of two optimisation schemes of a non-rigid registration algorithm. ...
Validation The validation is based on the simulation of plausible breast deformation using biomechanical breast models based on finite element methods [10] . Biomechanical Breast Models. ...
doi:10.1007/3-540-45786-0_38
fatcat:7hkgnaoswvf5tjqq45wid33the
Fixtureless profile inspection of non-rigid parts using the numerical inspection fixture with improved definition of displacement boundary conditions
2015
The International Journal of Advanced Manufacturing Technology
Using a non-rigid registration method and finite element analysis, we will numerically inspect the profile of a non-rigid part. ...
We have focused here on the profile inspection of non-rigid parts which are widely used in the aeronautic and automotive industries. ...
Then knowing some boundary conditions, finite element non-rigid registration (FENR) was executed. ...
doi:10.1007/s00170-015-7425-3
fatcat:ttaejmfdxjfs3c4cwrsgz74avy
A non-rigid registration method for the analysis of local deformations in the wood cell wall
2018
Advanced Structural and Chemical Imaging
In this paper, we adapt an existing non-rigid registration model based on B-spline functions to our case study. ...
Additionally, free tools currently available for non-rigid image registration are not suitable for quantifying the structural deformations of complex hierarchical materials such as wood, leading to errors ...
Michele Griffa is greatly acknowledged for the insightful discussion on the registration method. ...
doi:10.1186/s40679-018-0050-0
pmid:29399437
pmcid:PMC5778174
fatcat:svolaojiyngxpcf6ljyrqnjqtq
Biomechanical model for computing deformations for whole-body image registration: A meshless approach
2016
International Journal for Numerical Methods in Biomedical Engineering
Verification indicates that the deformations predicted using the proposed meshless approach are for practical purposes the same as those obtained using the previously validated finite element models. ...
The Hausdorff distance-based evaluation determines that our meshless models led to successful registration of the vast majority of the image features. ...
Acknowledgments The authors acknowledge the contribution of Dr Guiyong Zhang (Dalian University of Technology, formerly at The University of Western Australia) to the development of the meshless code used ...
doi:10.1002/cnm.2771
pmid:26791945
pmcid:PMC4956599
fatcat:jtdsc6u2cfhkldrp6a2mheduym
Towards registration of temporal mammograms by finite element simulation of MR breast volumes
2008
Medical Imaging 2008: Visualization, Image-guided Procedures, and Modeling
Such disparities can be corrected through the process of temporal registration. We propose to use a 3D finite element model for temporal registration of digital mammography. ...
Our experiments show that the use of a 3D finite element model for simulating and analyzing breast deformation contributes to good accuracy when matching suspicious regions in temporal mammograms. ...
The advantage of using a 3D finite element model is that non-rigid breast deformation can be computed accurately, which is lacking in 2D registration methods. ...
doi:10.1117/12.770547
dblp:conf/miigp/QiuSMG08
fatcat:ehsaogvxhfgjpdmj7itg5hrffu
Level-Set Surface Segmentation and Fast Cortical Range Image Tracking for Computing Intrasurgical Deformations
[chapter]
1999
Lecture Notes in Computer Science
valued finite element model of the head. ...
These explicit point pairs in turn are used in conjunction with a closed-form SVD-based rigid transformation computation and with fast recursive splines to make each rigid and non-rigid registration iteration ...
Acknowledgements The authors wish to thank Frank Ferrie and Sylvain Bouix of McGill, and Ken Chu and Kathleen Surry of Robarts for their help with this research. ...
doi:10.1007/10704282_86
fatcat:4luzehclo5getana6at3qud3sm
Targeting error simulator for image-guided prostate needle placement
2010
2010 Annual International Conference of the IEEE Engineering in Medicine and Biology
The method builds on statistical shape atlas to generate large number of realistic prostate shapes and finite element modeling to generate high-fidelity deformations, while segmentation error is simulated ...
The simulator is customizable for testing, comparing, optimizing segmentation and registration methods and is independent of the imaging modalities used. ...
by using finite element analysis. ...
doi:10.1109/iembs.2010.5626494
pmid:21096275
pmcid:PMC3059718
fatcat:zpnyh6xlyzao3n3wgruofg355u
GPU Accelerated Non-rigid Registration for the Evaluation of Cardiac Function
[chapter]
2008
Lecture Notes in Computer Science
A GPU accelerated Levenberg-Marquardt non-linear least squares optimization procedure for finite element non-rigid registration was implemented on an NVIDIA graphics card using the OpenGL environment. ...
Points were tracked from frame to frame using forward and backward incremental registration. ...
In order to validate the non-rigid registration procedure for tracking purposes, ED and ES contours from each expert observer were tracked through the rest of the cardiac cycle using the multi-resolution ...
doi:10.1007/978-3-540-85990-1_106
fatcat:23mn6eu4jbhwhok3rzxsy25ogy
Constraint-based simulation for non-rigid real-time registration
2014
Studies in Health Technology and Informatics
In this paper we propose a method to address the problem of non-rigid registration in real-time. ...
The finite element simulation provides a full 3D representation (including heterogeneities such as vessels, tumor,...) of the anatomical structure in real-time. ...
Conclusion We proposed a method for non-rigid real-time registration. ...
pmid:24732484
fatcat:qjjvudrhljaj5m3mcjpldcjezy
Estimation of the deformations induced by articulated bodies: Registration of the spinal column
2007
Biomedical Signal Processing and Control
We present a new non-rigid registration algorithm estimating the displacement field generated by articulated bodies. ...
The volumetric deformation field in the whole body is then inferred from those displacements using a linear elastic biomechanical finite element model. ...
Geets for the image acquisition and validation, Andriy Fedorov for his new implementation of the mesh generator and G. Leyden for her help to correct the paper. ...
doi:10.1016/j.bspc.2007.03.002
fatcat:y5qmjtzwtvgn7k6q53x2dnvjti
« Previous
Showing results 1 — 15 out of 7,138 results