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Computational modeling of thoracic and abdominal anatomy using spatial relationships for image segmentation

O. Camara, O. Colliot, I. Bloch
2004 Real-time imaging  
This paper presents an original hierarchical segmentation approach of several thoracic and abdominal structures in CT and emission PET images.  ...  Therefore, structures involved in the segmentation system must be visible in both CT and emission PET images in order to compute a spatial transformation between them.  ...  Xavier Marchandise, Gaspar Delso, the research team of S.H.F.J. in Orsay and the members of Segami Corporation for their contribution to this project.  ... 
doi:10.1016/j.rti.2004.05.005 fatcat:sxhax5iozzc47nemzmzq4vkxse

Advanced 3D "Modeling" and "Printing" for the Surgical Planning of a Successful Case of Thoraco-Omphalopagus Conjoined Twins Separation

Alessandro Inserra, Luca Borro, Marco Spada, Simone Frediani, Aurelio Secinaro
2020 Frontiers in Physiology  
Subsequently, we printed 3D anatomical models of the thoracic cage and sternum and of the liver with the plane of resection.  ...  We performed a 3D reconstruction of the anatomical parts involved in congenital fusion using Computer Tomography (CT) images.We obtained virtual anatomical models of the patients which allowed us to estimate  ...  However, in this case it was often difficult to interpret spatial anatomical details and relationships between congenital defects only using conventional imaging tools ( Figure 1A) .  ... 
doi:10.3389/fphys.2020.566766 pmid:33281611 pmcid:PMC7691583 fatcat:23wwiljkdnhltn3l6tpuawyuky

Body-wide anatomy recognition in PET/CT images

Huiqian Wang, Jayaram K. Udupa, Dewey Odhner, Yubing Tong, Liming Zhao, Drew A. Torigian, Robert J. Webster, Ziv R. Yaniv
2015 Medical Imaging 2015: Image-Guided Procedures, Robotic Interventions, and Modeling  
This, however, is a challenging problem and seldom studied due to unclear anatomy reference frame and low spatial resolution of PET images as well as low contrast and spatial resolution of the associated  ...  With the rapid growth of positron emission tomography/computed tomography (PET/CT)-based medical applications, body-wide anatomy recognition on whole-body PET/CT images becomes crucial for quantifying  ...  Huiqian Wang was partly supported by China Scholarship Council and the Fundamental Research Funds for the Central Universities CDJXS11171159. This work was partly supported by an NIH grant HL105212.  ... 
doi:10.1117/12.2082718 dblp:conf/miigp/WangUOTZT15 fatcat:kg42dhr5a5eehk2uz73v6xas5m

3D Printed Models of Complex Anatomy in Cardiovascular Disease

Zhonghua Sun, Andrew Squelch
2015 Heart Research - Open Journal  
diseases, aortic dissection and abdominal aortic aneurysm.  ...  This mini-review provides an overview of applications of 3D printing in cardiovascular disease, with evidence of some of examples using patient-specific 3D printed models in the two common cardiovascular  ...  , excellent spatial resolution and less complexity of image post-processing for cardiac MSCT data. 14 Regardless of imaging modality used for image acquisi-tion, the acquire data is saved in the Digital  ... 
doi:10.17140/hroj-2-118 fatcat:nhxpwifgefg7pmbxt2ncjtlbdy

Three-Dimensional Reconstruction of Thoracic Structures: Based on Chinese Visible Human

Yi Wu, Na Luo, Liwen Tan, Binji Fang, Ying Li, Bing Xie, Kaijun Liu, Chun Chu, Min Li, Shaoxiang Zhang
2013 Computational and Mathematical Methods in Medicine  
We managed to establish three-dimensional digitized visible model of human thoracic structures and to provide morphological data for imaging diagnosis and thoracic and cardiovascular surgery.  ...  It provides a learning tool of interpreting human thoracic anatomy and virtual thoracic and cardiovascular surgery for medical students and junior surgeons.  ...  Acknowledgment The authors greatly thank the National Science Foundation of China (nos. 81100480 and 61190122) (http://www for its financial support to this research work.  ... 
doi:10.1155/2013/795650 pmid:24369489 pmcid:PMC3857995 fatcat:wkklxmijmbecbimoqubcmodxmq

Free Form Deformations Guided by Gradient Vector Flow: A Surface Registration Method in Thoracic and Abdominal PET-CT Applications [chapter]

Oscar Camara, Gaspar Delso, Isabelle Bloch
2003 Lecture Notes in Computer Science  
A nonlinear surface registration algorithm of thoracic/abdominal structures segmented from CT and PET volumes is presented.  ...  on Gradient Vector Flow (GVF) computed on the CT image.  ...  Marchandise for their contribution to this project. This work was partially supported by the French Ministry for Research (grant number 01B0267).  ... 
doi:10.1007/978-3-540-39701-4_24 fatcat:laoz26qjtze2hmb2e7kxvxguue

Explicit Incorporation of Prior Anatomical Information Into a Nonrigid Registration of Thoracic and Abdominal CT and 18-FDG Whole-Body Emission PET Images

Oscar Camara, Gaspar Delso, Olivier Colliot, Antonio Moreno-Ingelmo, Isabelle Bloch
2007 IEEE Transactions on Medical Imaging  
A segmentation algorithm based on a hierarchically ordered set of anatomy-specific rules is used to obtain anatomical structures in CT and emission PET scans.  ...  The aim of this paper is to develop a registration methodology in order to combine anatomical and functional information provided by thoracic/abdominal computed tomography (CT) and whole-body positron  ...  The segmentation of corresponding structures in CT and emission PET images is achieved by means of a hierarchical segmentation method based on the mathematical modeling of robust spatial relationships  ... 
doi:10.1109/tmi.2006.889712 pmid:17304731 fatcat:dabphtrwfbhpxhmih5xwtxhnti

Computational Fluid Dynamics Modeling in Aortic Diseases

Takuya Ueda, Hiroshi Suito, Hideki Ota, Kei Takase
2018 Cardiovascular Imaging Asia  
As recently CFD modeling is widely used in clinical situations, it is very important for clinicians to understand the basic principles, benefits, limitations, and pitfalls of CFD modeling.  ...  In this paper, we present an overview of CFD modeling and its application to aortic diseases, and primarily to aortic aneurysms.  ...  These distinct regional differences in hemodynamic influences may account for some component of the differential aneurysm risk noted between the thoracic and abdominal aortic segments.  ... 
doi:10.22468/cvia.2018.00073 fatcat:qomujxsxs5go5lsattevtmhicm

Front Matter: Volume 10574

Proceedings of SPIE, Elsa D. Angelini, Bennett A. Landman
2018 Medical Imaging 2018: Image Processing  
Publication of record for individual papers is online in the SPIE Digital Library. Paper Numbering: Proceedings of SPIE follow an e-First publication model.  ...  using a Base 36 numbering system employing both numerals and letters.  ...  CT [10574-84] 10574 2E Model based rib-cage unfolding for trauma CT [10574-85] 10574 2F Thoracic lymph node station recognition on CT images based on automatic anatomy recognition with an optimal  ... 
doi:10.1117/12.2315755 fatcat:jdfbaent6vhu5dwlrqrqt66vce

Using 3D Modeling Techniques to Enhance Teaching of Difficult Anatomical Concepts

Sonia Pujol, Michael Baldwin, Joshua Nassiri, Ron Kikinis, Kitt Shaffer
2016 Academic Radiology  
Written task material and qualitative review by students suggested that interaction with 3D models led to a better understanding of the shape and spatial relationships among structures, and helped illustrate  ...  Rationale and Objectives-Anatomy is an essential component of medical education as it is critical for the accurate diagnosis in organs and human systems.  ...  S.P. and R.K. were supported in part by the Neuroimage Analysis Center (NIH P41EB015902), the National Center for Image-Guided Therapy (NIH P41EB015898), and the National Alliance for Medical Image Computing  ... 
doi:10.1016/j.acra.2015.12.012 pmid:26897601 pmcid:PMC4808571 fatcat:ndjolk3ulnadlovgk24p326qte

A computer modeling tool for comparing novel ICD electrode orientations in children and adults

Matthew Jolley, Jeroen Stinstra, Steve Pieper, Rob MacLeod, Dana H. Brooks, Frank Cecchin, John K. Triedman
2008 Heart Rhythm  
METHODS FEMs were created by segmenting normal torso computed tomography scans of subjects ages 2, 10, and 29 years and 1 adult with congenital heart disease into tissue compartments, meshing, and assigning  ...  BACKGROUND Use of implantable cardiac defibrillators (ICDs) in children and patients with congenital heart disease is complicated by body size and anatomy.  ...  Methods Image acquisition and segmentation Anatomically realistic torso models and a computer modeling environment were created in which the effect of varying ICD electrode placement on myocardial voltage  ... 
doi:10.1016/j.hrthm.2008.01.018 pmid:18362024 pmcid:PMC2745086 fatcat:gh3unrusjnan5pgo5xeb75nt7i

Three-Dimensional Printed Model and Virtual Reconstruction: An Extra Tool for Pediatric Solid Tumors Surgery

Ángela Sánchez-Sánchez, Óscar Girón-Vallejo, Ramón Ruiz-Pruneda, Maria Fernandez-Ibieta, Darío García-Calderon, Vanesa Villamil, María Giménez-Aleixandre, Carlos Montoya-Rangel, Juan Hernández Bermejo
2018 European Journal of Pediatric Surgery Reports  
Methods Data were obtained from preoperative magnetic resonance. imaging analysis and 3D virtual recreations were performed using specialized computer software. 3D real-scale geometry models, including  ...  The 3D model was of high value for planning and as a reference during the intervention.  ...  Virtual three-dimensional (3D) reconstruction using specialized software provides a better understanding of the spatial relationships between the tumor and adjacent organs and allows exploring in an interactive  ... 
doi:10.1055/s-0038-1672165 pmid:30370204 pmcid:PMC6202581 fatcat:bco7gjxo2fesrcw4rpugiq2mai

Automatic anatomy recognition via fuzzy object models

Jayaram K. Udupa, Dewey Odhner, Alexandre X. Falcão, Krzysztof C. Ciesielski, Paulo A. V. Miranda, Monica Matsumoto, George J. Grevera, Babak Saboury, Drew A. Torigian, David R. Holmes III, Kenneth H. Wong
2012 Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling  
In the present paper, we describe the further advances made in fuzzy modeling and the algorithms and results achieved for AAR by using the fuzzy models.  ...  Even the simplest among the (ra2) strategies of recognizing the root object and then placing all other descendants as per the learned parent-to-offspring pose relationship bring the models on an average  ...  Fig. 3 Since all (32 + 32) data sets have been previously segmented manually and verified (by DAT and SB) for accuracy and used for testing different scenarios of model building, they can be used for  ... 
doi:10.1117/12.911580 dblp:conf/miigp/UdupaOFCMMGST12 fatcat:2c6cl7bhonga7jfy6bdtsyodsa

Navigation in Endoscopic Soft Tissue Surgery: Perspectives and Limitations

Matthias Baumhauer, Marco Feuerstein, Hans-Peter Meinzer, J. Rassweiler
2008 Journal of endourology  
We concentrate on approaches which can be applied in endoscopic thoracic and abdominal surgery, as endoscopic surgery has special needs for image guidance due to limitations in perception.  ...  Despite rapid developments in the research areas medical imaging, medical image processing and robotics, the use of computer assistance in surgical routine is still limited to diagnostics, surgical planning  ...  Furthermore, the selected proposals for computer assistance systems had to be designed -or at least applicable -for endoscopic soft tissue surgery of thoracic and abdominal soft tissue organs.  ... 
doi:10.1089/end.2007.9827 pmid:18366319 fatcat:fvyhltppfvap7f4i3podtx3o7a

Shortest-Path Constraints for 3D Multiobject Semiautomatic Segmentation Via Clustering and Graph Cut

Razmig Kechichian, Sebastien Valette, Michel Desvignes, Remy Prost
2013 IEEE Transactions on Image Processing  
INDIVIDUAL-CLASS DSM MEASURES FOR 5%-CLUSTERED SEGMENTATION OF 3D-IRCADB THORACIC-ABDOMINAL CT IMAGE WITH POTTS AND VICINITY PRIORS.  ...  Surface error measurements for (a) Potts and (b) vicinity prior segmentations of the 5%-clustered 3D-IRCADb thoracic-abdominal CT image.  ...  He leads the Images and Models project in the Creatis Laboratory (CNRS UMR 5220, Inserm U1044) at INSA-Lyon.  ... 
doi:10.1109/tip.2013.2271192 pmid:23807445 fatcat:tdjcpwgjufe7xad6poljocrzoi
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