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Visually Guided Mesh Smoothing for Medical Applications [article]

Tobias Moench, Christoph Kubisch, Kai Lawonn, Ruediger Westermann, Bernhard Preim
2012 Eurographics Workshop on Visual Computing for Biomedicine  
Surface models derived from medical image data often exhibit artifacts, such as noise and staircases, which can be reduced by applying mesh smoothing filters.  ...  Depending on the number of vertices and the filter algorithm, computation time may vary strongly and interfere with an interactive mesh generation procedure.  ...  Application The described methods are the core of a real-time smoothing framework of medical surface meshes.  ... 
doi:10.2312/vcbm/vcbm12/091-098 fatcat:u242rlr3wnd5bh5xe6sq72vrr4

Automating image-based mesh generation and manipulation tasks in cardiac modeling workflows using Meshtool

Aurel Neic, Matthias A.F. Gsell, Elias Karabelas, Anton J. Prassl, Gernot Plank
2020 SoftwareX  
Typical modeling workflows involve a multitude of interactive mesh manipulation steps, rendering model generation expensive.  ...  Meshtool is software specifically designed for automating all complex mesh manipulation tasks emerging in such workflows by implementing algorithms for tasks describable as operations on label fields and  ...  This allows for robust application of mesh smoothing without risking mesht quality deterioration beyond the specified threshold.  ... 
doi:10.1016/j.softx.2020.100454 pmid:32607406 pmcid:PMC7326605 fatcat:j2t53aojhfg7dol222gj3yywne

FEMONUM: A Framework for Whole Body Pregnant Woman Modeling from Ante-Natal Imaging Data [article]

Juan Pablo De La Plata Alcalde, Jérémie Anquez, Lazar Bibin, Tamy Boubekeur, Elsa Angelini, Isabelle Bloch
2011 Eurographics State of the Art Reports  
for delivery planning.  ...  Anatomical models of pregnant women can be used in several applications such as numerical dosimetry to assess the potential effects of electromagnetic fields on biological tissues, or medical simulations  ...  Luton), Paris, France, for providing the MRI and 3DUS data and their medical expertise. We also thank Daz 3D Studio for providing the Victoria model.  ... 
doi:10.2312/eg2011/med/017-020 fatcat:4dzxuh4kprhshczaj7muc6ged4

Generation of smooth and accurate surface models for surgical planning and simulation

Tobias Moench, Mathias Neugebauer, Peter Hahn, Bernhard Preim
2010 Medical Imaging 2010: Visualization, Image-Guided Procedures, and Modeling  
Furthermore, surface models are employed for generating volume meshes for simulating e.g. tissue deformation or blood flow. In such applications, smoothness and accuracy of the models are essential.  ...  Surface models from medical image data (intensity, binary) are used for evaluating spatial relationships for intervention or radiation treatment planning.  ...  But also for usage in surgical planning applications, an adjustment of the mesh resolution might be appropriate.  ... 
doi:10.1117/12.844235 dblp:conf/miigp/MonchNHP10 fatcat:v3rpfpsmi5fwxgrtvh5fueuvfa

Unstructured mesh generation from the Virtual Family models for whole body biomedical simulations

Dominik Szczerba, Esra Neufeld, Marcel Zefferer, Gabor Szekely, Niels Kuster
2010 Procedia Computer Science  
Mesh generation has remained a central topic in finite element analysis (FEA) for a few decades now.  ...  Therefore we believe that our observations can serve as guidance when choosing an optimal method for a specific application.  ...  Concerning medical applications, there are only very few algorithms present in the literature that would generate meshes directly from multi-label medical image data.  ... 
doi:10.1016/j.procs.2010.04.091 fatcat:6b337dlidnfzxdrbffpexvnkdq

Next-generation Multi-mechanics Simulation Engine in a Highly Interactive Environment

David Le Touzé, John Biddiscombe, Andrea Colagrossi, Erwan Jacquin, Francis Leboeuf, Jean-Christophe Marongiu, Nathan Quinlan, Andrea Amicarelli, Matteo Antuono, Daniel Barcarolo, Mihai Basa, Joelle Caro (+11 others)
2011 Procedia Computer Science  
We describe the development of a highly interactive approach to simulation of engineering multi-mechanics problems, using the smoothed particle hydrodynamics mesh-free method as the computational engine  ...  , for applications including ship survival, medical devices and Pelton turbines. 1877-0509 © Selection and peer review under responsibility of FET11 conference organizers and published by Elsevier B.V.  ...  In the NextMuSE project [1] we aim to achieve this using Smoothed Particle Hydrodynamics (SPH), a mesh-free computational mechanics method, as the computational engine running on a HPC system behind  ... 
doi:10.1016/j.procs.2011.09.077 fatcat:c7gfmpmk5je4jdv323swsm3vie

Non-manifold Mesh Extraction from Time-varying Segmented Volumes used for Modeling a Human Heart [article]

Martin Bertram, Gerd Reis, Rolf H. Van Lengen, Sascha Köhn, Hans Hagen
2005 EUROVIS 2005: Eurographics / IEEE VGTC Symposium on Visualization  
In a first pass, the material boundaries in the volume are smoothed considering signed distance functions for the individual materials.  ...  Finally, the mesh geometry is relaxed in a constrained fairing process. We use our algorithm to construct a heart model from segmented time-varying magnetic resonance images.  ...  The authors want to thank Daniel Steffen for his work on the segmentation and Karsten Schwenk for implementing an interactive surface viewer.  ... 
doi:10.2312/vissym/eurovis05/199-206 fatcat:iznnl3rq55g4fofx5qvsstrgmq

Fluid-Structure Interaction Analyses of Biological Systems Using Smoothed-Particle Hydrodynamics

Milan Toma, Rosalyn Chan-Akeley, Jonathan Arias, Gregory D Kurgansky, Wenbin Mao
2021 Biology  
Due to the inherent complexity of biological applications that more often than not include fluids and structures interacting together, the development of computational fluid-structure interaction models  ...  This review paper summarizes computational models that use smoothed-particle hydrodynamics to simulate the fluid-structure interactions in complex biological systems.  ...  Thus, the use of standard mesh-based numerical methods for biomedical applications remains a challenge.  ... 
doi:10.3390/biology10030185 pmid:33801566 pmcid:PMC8001855 fatcat:6a2uzasulrdgrbuyt6ru3hhvr4

Interactive Multigrid Refinement for Deformable Image Registration

Wu Zhou, Yaoqin Xie
2013 BioMed Research International  
This paper focuses on how to revise registration results interactively for deformable image registration.  ...  Experimental results in clinical medical images for adaptive radiotherapy demonstrated the effectiveness of the proposed method.  ...  The application of this tool can be for medical image registration in clinical cases, such as treatment planning. We believe that it will be a useful tool for clinical applications.  ... 
doi:10.1155/2013/532936 pmid:24232828 pmcid:PMC3819831 fatcat:huavmpwcb5d4npoxnivkcv7zi4

User-driven 3D mesh region targeting

Peter Karasev, James Malcolm, Marc Niethammer, Ron Kikinis, Allen Tannenbaum
2010 Medical Imaging 2010: Visualization, Image-Guided Procedures, and Modeling  
The result is a robust way for a user to easily interact with particular regions of a 3D mesh construced from medical imaging. We describe the applicability of the method for real-time clinician use.  ...  We present a method for the fast selection of a region on a 3D mesh using geometric information.  ...  Description of Purpose Many techniques have been devised for the structural segmentation of various anatomical features in medical imagery using 3D geometric information.  ... 
doi:10.1117/12.845661 dblp:conf/miigp/KarasevMNKT10 fatcat:jgc6xp576fcqrmu3udcwpqpl7q

Topological Fragmentation of Medical 3D Surface Mesh Models for Multi-Hierarchy Anatomical Classification

Gerald Adam Zwettler, Werner Backfrieder
2015 International Journal of Electronics and Telecommunications  
In this work a hierarchical mesh data model for multi-hierarchy anatomical classification is introduced, allowing labeling of a patient model according to various medical taxonomies.  ...  Furthermore, application of randomized dilation allows conversion of the specified regions on the surface into fragmented and closed sub-meshes, comprising the entire anatomical structure.  ...  [13] , [12] served as excellent field of application for functional classification of 3D meshes and preparing accurate modeling of human anatomy in the diagnostic domain of strabismus surgery of the  ... 
doi:10.1515/eletel-2015-0016 fatcat:ggbvq7gzdzf5tpor6nj3hpjpx4

Application of 3D X-Ray CT Data Sets to Finite Element Analysis [chapter]

P.-L. Bossart, H. E. Martz, H. R. Brand, K. Hollerbach
1996 Review of Progress in Quantitative Nondestructive Evaluation  
The authors would like to thank Dan Schneberk for the useful help and suggestions concerning the computational part of this work, Earl Updike for acquiring the data, and ai1 the other members of the NonDestructive  ...  In biomechanics applications, most surfaces are expected to be smooth, so that we can enforce the smoothness directly.  ...  Practical experiments have also showed the need for a decimation and smoothing of the surface mesh extracted from the CT volumes.  ... 
doi:10.1007/978-1-4613-0383-1_62 fatcat:xqtxsiyafrhdhf6jdwuqmugr2a

Staircase-Aware Smoothing of Medical Surface Meshes [article]

Tobias Moench, Simon Adler, Bernhard Preim
2010 Eurographics Workshop on Visual Computing for Biomedicine  
The results are compared to the ones of standard uniform mesh smoothing algorithms and are evaluated regarding smoothness and accuracy with respect to the application within surgical planning.  ...  In applications for intervention or radiation treatment planning, the surface models should exhibit a natural look (referring to smoothness of the surface), but also be accurate.  ...  Application to Smoothing The result of the previous steps is a weighting value for each vertex in the given surface mesh.  ... 
doi:10.2312/vcbm/vcbm10/083-090 fatcat:qqrkalmkkzcjjb6faksrhwikn4

3D Modeling and Computer Graphics in Virtual Reality [chapter]

Yuk Ming Tang, H.L. Ho
2020 Three Dimensional Computer Graphics [Working Title]  
The key techniques including smoothing techniques and mesh editing modifiers are not only useful for the designers to learn the 3D modeling process, but it also helps to create less complex mesh models  ...  data analytics, etc., but also they can be applied in many different applications in virtual reality (VR).  ...  Acknowledgements The author(s) received financial support from the Hong Kong Polytechnic University, the Hong Kong Special Administrative Region, China, for the research, authorship, and/or publication  ... 
doi:10.5772/intechopen.91443 fatcat:bi7aw3pbynarfimrrwzqfzxjde

Tetrahedral Image-to-Mesh Conversion Software for Anatomic Modeling of Arteriovenous Malformations

Fotis Drakopoulos, Ricardo Ortiz, Andinet Enquobahrie, Deanna Sasaki-Adams, Nikos Chrisochoides
2015 Procedia Engineering  
While many medical imaging applications require robust mesh generation, there are few codes available to the public.  ...  The implementation we describe is opensource and it will be available within: (i) the 3D Slicer package for visualization and image analysis from Harvard Medical School, and (ii) an interactive simulator  ...  Special thanks for helping with edits and proofreading to Alexis Brueggeman.  ... 
doi:10.1016/j.proeng.2015.10.139 fatcat:juniiir4wndotownzwgrqa5wgi
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