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Registration and Real-Time Visualization of Transcranial Magnetic Stimulation With 3-D MR Images

Q. Noirhomme, M. Ferrant, Y. Vandermeeren, E. Olivier, B. Macq, O. Cuisenaire
2004 IEEE Transactions on Biomedical Engineering  
This paper describes a method for registering and visualizing in real-time the results of transcranial magnetic stimulations (TMS) in physical space on the corresponding anatomical locations in MR images  ...  The registration has subpixel accuracy in a study with simulated data, while we obtain a point to surface root-mean-square error of 1 17 0 38 mm in a 24 subject study.  ...  ACKNOWLEDGMENT The authors would like to acknowledge J. Cabot for his preliminary work. They would also wish to gratefully acknowledge C. Hendrick and C.  ... 
doi:10.1109/tbme.2004.834266 pmid:15536901 fatcat:otsdzwiqyzbjfcyn3ufza3egcy

A multiprocessor decoupled system for the simulation of temporal bone surgery

Marco Agus, Andrea Giachetti, Enrico Gobbetti, Gianluigi Zanetti, Antonio Zorcolo
2002 Computing and Visualization in Science  
A training system for simulating temporal bone surgery is presented. The system is based on patient-specific volumetric object models derived from 3D CT and MR imaging data.  ...  Real-time feedback is provided to the trainees via real-time volume rendering and haptic feedback.  ...  to the production of data for visual feedback.  ... 
doi:10.1007/s00791-002-0085-5 fatcat:5yzky6zxpfdfvkn5upj6k7p73a

The MRItab: A MR-compatible touchscreen with video-display

Sophia Vinci-Booher, Jeffrey Sturgeon, Thomas James, Karin James
2018 Journal of Neuroscience Methods  
A B S T R A C T Background: A touchscreen interface permits rich user interactions for research in many fields, but is rarely found within a Magnetic Resonance Imaging (MRI) environment due to difficulties  ...  Results: Our testing demonstrated that the functioning of the MRItab was not affected by the functioning of the MRI scanner and that the MRItab did not adversely affect the image data acquired.  ...  Acknowledgements The authors would like to acknowledge the contributions of the Imaging Research Facility at Indiana University, especially Hu Cheng, Sean Berry, Derek Kellar, and Arianna Gutierrez, for  ... 
doi:10.1016/j.jneumeth.2018.05.018 pmid:29803918 fatcat:2fhcpxqstng33dfb2b7mgu7wu4

A probabilistic atlas and reference system for the human brain: International Consortium for Brain Mapping (ICBM)

J. Mazziotta, A. Toga, A. Evans, P. Fox, J. Lancaster, K. Zilles, R. Woods, T. Paus, G. Simpson, B. Pike, C. Holmes, L. Collins (+15 others)
2001 Philosophical Transactions of the Royal Society of London. Biological Sciences  
The ability to quantify the variance of the human brain as a function of age in a large population of subjects for whom data is also available about their genetic composition and behaviour will allow for  ...  Data on each subject includes detailed demographic, clinical, behavioural and imaging information. DNA has been collected for genotyping from 5800 subjects.  ...  This work was supported by a grant from the Human Brain Project (P20-MHDA52176), funded by the National Institute of Mental Health, the National Institute for Drug Abuse, the National Cancer Institute  ... 
doi:10.1098/rstb.2001.0915 pmid:11545704 pmcid:PMC1088516 fatcat:xwrniyeggnfkxgfucgbumn4jvy

Magnetic resonance imaging of oscillating electrical currents

N. W. Halpern-Manners, V. S. Bajaj, T. Z. Teisseyre, A. Pines
2010 Proceedings of the National Academy of Sciences of the United States of America  
The imaging of current distributions by MRI has developed significantly over the last 20 years, with early applications being directed toward the imaging of current density and conductivity in model systems  ...  We apply this method in a current loop phantom, mapping its magnetic field and achieving a detection sensitivity near the threshold required for the detection of neuronal currents.  ...  Fig. 1 .Fig. 2 . 12 Data from current-imaging experiments using a single loop phantom.  ... 
doi:10.1073/pnas.1003146107 pmid:20421504 pmcid:PMC2889347 fatcat:ch2fmflxdrdvpevu3kjjh573fe

The New Challenges of Brain PET Imaging Technology

Habib Zaidi, Marie-Louise Montandon
2006 Current Medical Imaging Reviews  
Software-and hardware-based correlation between anatomical (x-ray CT, MRI) and physiological (PET) information is a promising research field and now offers unique capabilities for the medical imaging community  ...  applications of functional brain imaging promise even greater levels of accuracy and precision and therefore, impose more constraints with respect to the intrinsic performance of the PET tomograph.  ...  ACKNOWLEDGEMENTS This work was supported in part by the Swiss National Science Foundation under grant SNSF 3152A0-102143 and the Research and Development Foundation of Geneva University Hospital under  ... 
doi:10.2174/157340506775541596 fatcat:jucbipdyindxdbwbpxubpxwlbq

Segmentation and measurement of brain structures in MRI including confidence bounds

Miguel Ángel González Ballester, Andrew Zisserman, Michael Brady
2000 Medical Image Analysis  
These degradations seriously challenge the application to MRI of any segmentation method, especially on data sets where the size of the object or effect to be studied is small relative to the voxel size  ...  A comprehensive validation study and a set of results on clinical applications are also described.  ...  Fig. 10 shows a slice 3 through an MRI (1 mm voxels, no gap) and a rendering of the shapes embedded in it. We present the (typical) results for the phantom object cube, shown in Fig. 10 .  ... 
doi:10.1016/s1361-8415(00)00013-x pmid:11145308 fatcat:ccm3z56xsbcixfokxnm7k5jium

Quantitative In Vivo Measurement of Gyrification in the Human Brain: Changes Associated with Aging

V. A. Magnotta
1999 Cerebral Cortex  
We describe a quantitative method for measuring brain surface characteristics that is reliable and valid.  ...  This method is used to define the gyral and sulcal characteristics of atrophic and non-atrophic brains and to examine changes that occur with aging in a sample of 148 normal individuals from a broad age  ...  The method has been shown to be reproducible over time, and has been validated by studies with phantoms.  ... 
doi:10.1093/cercor/9.2.151 pmid:10220227 fatcat:2zgzj3ye2jegtaqhtlqgxx3sfq

MAGIC polymer gel for dosimetric verification in boron neutron capture therapy

Jouni Uusi-Simola, Sami Heikkinen, Petri Kotiluoto, Tom Serén, Tiina Seppälä, Iiro Auterinen, Sauli Savolainen
2007 Journal of Applied Clinical Medical Physics  
Irradiated gel phantoms then underwent magnetic resonance imaging to determine their R2 relaxation rate maps.  ...  We irradiated a large cylindrical gel phantom (diameter: 10 cm; length: 20 cm) in the epithermal neutron beam of the Finnish BNCT facility at the FiR 1 nuclear reactor.  ...  A multi-echo imaging sequence with a repetition time of 10 000 ms and echo times (TEs) ranging from 25 ms to 800 ms, in 25-ms steps.  ... 
doi:10.1120/jacmp.v8i2.2409 pmid:17592463 pmcid:PMC5722414 fatcat:oqgbiz2rubdgbgi3mhtj57ukay

Reduced Encoding Diffusion Spectrum Imaging Implemented With a Bi-Gaussian Model

Chun-Hung Yeh, Kuan-Hung Cho, Hsuan-Cheng Lin, Jiun-Jie Wang, Ching-Po Lin
2008 IEEE Transactions on Medical Imaging  
The crossing phantom model and the manganese-enhanced rat model served as standards for accuracy assessment in RE-DSI.  ...  echo time and low signal-to-noise ratio of diffusion-weighted images.  ...  ACKNOWLEDGMENT The authors are grateful to the National Science Council of Taiwan for support, and would like to thank V. J. Wedeen, W.-Y. Tseng, C. Chang, and J.-H.  ... 
doi:10.1109/tmi.2008.922189 pmid:18815093 fatcat:udriz5yxozdvroibwddhqqqc7m

3D Printing of Human Anatomical Models for Preoperative Surgical Planning

V. Paramasivam, Sindhu, G. Singh, S. Santhanakrishnan
2020 Procedia Manufacturing  
As a first step in the project, some of the human bones were printed and analyzed for its quality.  ...  As a first step in the project, some of the human bones were printed and analyzed for its quality.  ...  Acknowledgments The authors would like to express their sincere thanks to Sarathkumar, Harish and Hari Krishnan for helping the experimental setup used in this work and the first author is expressing his  ... 
doi:10.1016/j.promfg.2020.05.100 fatcat:ipbikngzcfbqjmlnbuxokojb44

White Paper: Interventional MRI: Current Status and Potential for Development Considering Economic Perspectives, Part 2: Liver and Other Applications in Oncology

Jörg Barkhausen, Thomas Kahn, Gabriele Krombach, Christiane Kuhl, Joachim Lotz, David Maintz, Jens Ricke, Stefan Schönberg, Thomas Vogl, Frank Wacker
2017 RöFo. Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren (Print)  
MRI is attractive for guiding and monitoring interventional procedures due to its high intrinsic soft tissue contrast and the possibility to measure flow and cardiac function.  ...  Conclusion Interventional MRI has become established in the clinical routine for a variety of indications, including biopsies and tumor ablation.  ...  Compared to other imaging methods, MRI is characterized by superior soft tissue contrast, multiplanar visualization, and a lack of ionizing radiation.  ... 
doi:10.1055/s-0043-112336 pmid:28863413 fatcat:pmmbjrhsiff7tphkfsbk6457gm

Viewpoints on Medical Image Processing: From Science to Application

Thomas M. Deserno (ne Lehmann), Heinz Handels, Klaus H. Maier-Hein (ne Fritzsche), Sven Mersmann, Christoph Palm, Thomas Tolxdorff, Gudrun Wagenknecht, Thomas Wittenberg
2013 Current Medical Imaging Reviews  
Medical imaging and medical image computing is seen as field of rapid development with clear trends to integrated applications in diagnostics, treatment planning and treatment.  ...  analysis, (iv) registration of section images, (v) from images to information in digital endoscopy, and (vi) virtual reality and robotics.  ...  ACKNOWLEDGEMENTS We would like to thank Hans-Peter Meinzer, Co-Chair of the German BVM, for his helpful suggestions and for encouraging his research fellows to contribute and hence, giving this paper a  ... 
doi:10.2174/1573405611309020002 pmid:24078804 pmcid:PMC3782694 fatcat:kmnerde6iffcln6r3jze5trrhm

Practical aspects of functional MRI (NMR Task Group #8)

Ronald R. Price, Jerry Allison, Richard J. Massoth, Geoffrey D. Clarke, Dick J. Drost
2002 Medical Physics (Lancaster)  
Functional MR imaging ͑fMRI͒ based upon the Blood Oxygen Level Dependent ͑BOLD͒ effect is currently an important new tool for understanding basic brain function and specifically allowing the correlation  ...  Our purpose in this report is to provide, in addition to basic principles, an insight into the aspects of BOLD imaging, which may be used by the medical physicist to assist in the implement of fMRI procedures  ...  This may require acquiring several thousand EPI images over a 10-20 min period.  ... 
doi:10.1118/1.1494990 pmid:12201436 fatcat:mj5wpmzu5vcsnj6awk77vcgek4

Effects of prenatal exposure to cancer treatment on neurocognitive development, a review

Dorothée C.-M. Vercruysse, Sabine Deprez, Stefan Sunaert, Kristel Van Calsteren, Frederic Amant
2016 Neurotoxicology  
Unless otherwise mentioned, standard settings were used. Prior to processing, all images were converted to the Brain Imaging Data Structure (BIDS) 240 and visually inspected for issues.  ...  such as travelling human participants and phantoms to account for di erences between scanners over time.  ... 
doi:10.1016/j.neuro.2016.02.013 pmid:26952827 fatcat:x6tn6vgzwrds7cyyqpyj4n6yli
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