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Inter-Scanner Harmonization of High Angular Resolution DW-MRI using Null Space Deep Learning

Vishwesh Nath, Prasanna Parvathaneni, Colin B Hansen, Allison E Hainline, Camilo Bermudez, Samuel Remedios, Justin A Blaber, Kurt G Schilling, Ilwoo Lyu, Vaibhav Janve, Yurui Gao, Iwona Stepniewska (+6 others)
2019 Lecture Notes-Monograph Series  
To use these data, we propose a new network architecture, the null space deep network (NSDN), to simultaneously learn on traditional observed/truth pairs (e.g., MRI-histology voxels) along with repeated  ...  First, training data were acquired on three squirrel monkey brains using ex-vivo DW-MRI and histology of the brain.  ...  This work was conducted in part using the resources of the Advanced Computing Center for Research and Education at Vanderbilt University, Nashville, TN.  ... 
pmid:34456460 pmcid:PMC8388262 fatcat:355bowgxbjdnddm2f5xmnisube

Inter-Scanner Harmonization of High Angular Resolution DW-MRI using Null Space Deep Learning [article]

Vishwesh Nath, Prasanna Parvathaneni, Colin B. Hansen, Allison E. Hainline, Camilo Bermudez, Samuel Remedios, Justin A. Blaber, Kurt G. Schilling, Ilwoo Lyu, Vaibhav Janve, Yurui Gao, Iwona Stepniewska (+5 others)
2018 arXiv   pre-print
To use these data, we propose a new network architecture, the null space deep network (NSDN), to simultaneously learn on traditional observed/truth pairs (e.g., MRI-histology voxels) along with repeated  ...  First, training data were acquired on three squirrel monkey brains using ex-vivo DW-MRI and histology of the brain.  ...  This work has been supported by Nvidia with supplement of hardware resources (GPU's). Glyph visualizations were supported using [26].  ... 
arXiv:1810.04260v1 fatcat:6fcaknpb6fa7helwxfnhgvacxa

Harmonizing 1.5T/3T diffusion weighted MRI through development of deep learning stabilized microarchitecture estimators

Vishwesh Nath, Samuel Remedios, Prasanna Parvathaneni, Colin B. Hansen, Roza G. Bayrak, Camilo Bermudez, Justin A. Blaber, Kurt G. Schilling, Vaibhav A. Janve, Yurui Gao, Yuankai Huo, Ilwoo Lyu (+9 others)
2019 Medical Imaging 2019: Image Processing  
We propose to use a null space deep network (NSDN) architecture to model DW-MRI signal as fiber orientation distributions (FOD) to represent tissue microstructure.  ...  We propose a novel method to estimate microstructure using DW-MRI that is robust to scanner difference between 1.5T and 3T imaging.  ...  This work was conducted in part using the resources of the Advanced Computing Center for Research and Education at Vanderbilt University, Nashville, TN.  ... 
doi:10.1117/12.2512902 pmid:32089583 pmcid:PMC7034942 fatcat:46b55bgi6zf3pilhioqgmnf2gy

Tractography Reproducibility Challenge with Empirical Data (TraCED): The 2017 ISMRM Diffusion Study Group Challenge [article]

Vishwesh Nath, Kurt Schilling, Prasanna Parvathaneni, Allison E. Hainline, Yuankai Huo, Justin A. Blaber, Matt Rowe, Paulo Rodrigues, Vesna Prckovska, Baran Aydogan, Wei Sun, Yonggang Shi (+31 others)
2018 bioRxiv   pre-print
The top five submissions had high ICC > 0.88. Reproducibility is high within these top 5 submissions when assessed across sessions or across scanners.  ...  The TraCED dataset consists of a single healthy volunteer scanned on two different scanners of the same manufacturer.  ...  be representative of 'null' learning.  ... 
doi:10.1101/484543 fatcat:jbiwr5yokzc4pbqvjjhxr4cf6u

The Human Connectome Project and beyond: Initial applications of 300mT/m gradients

Jennifer A. McNab, Brian L. Edlow, Thomas Witzel, Susie Y. Huang, Himanshu Bhat, Keith Heberlein, Thorsten Feiweier, Kecheng Liu, Boris Keil, Julien Cohen-Adad, M. Dylan Tisdall, Rebecca D. Folkerth (+2 others)
2013 NeuroImage  
The engineering of a 3 T human MRI scanner equipped with 300 mT/m gradients - the strongest gradients ever built for an in vivo human MRI scanner - was a major component of the NIH Blueprint Human Connectome  ...  These include: 1) diffusion tractography to study the anatomy of consciousness and the mechanisms of brain recovery following traumatic coma; 2) q-space measurements of axon diameter distributions in the  ...  Thank you to Emi Takahashi and Guangping Dai for assistance with acquisition of brainstem-diencephalon postmortem data acquired on the small-bore scanner.  ... 
doi:10.1016/j.neuroimage.2013.05.074 pmid:23711537 pmcid:PMC3812060 fatcat:tbjeummpl5hfta5u6hxu57x5ce

A combined local and global motion estimation and compensation method for cardiac CT

Qiulin Tang, Beshan Chiang, Akinola Akinyemi, Alexander Zamyatin, Bibo Shi, Satoru Nakanishi, Bruce R. Whiting, Christoph Hoeschen
2014 Medical Imaging 2014: Physics of Medical Imaging  
It corrects for motion within each image and brings all DW-MRIs to a common image space. The method is evaluated on 10 datasets of free-breathing abdominal DW-MRIs acquired from healthy volunteers.  ...  A high orientation resolution of 18? is used.  ...  FTIR chemical imaging allows the spatial distribution of chemistry to be rapidly imaged at a high (diffraction limited) spatial resolution where a pixel represents an area of 5.5 ? 5.5 µm2 of tissue.  ... 
doi:10.1117/12.2043492 fatcat:fyzpc5m6jbh7fjohqpdmtzkhte

Modeling & Analysis

2003 NeuroImage  
We therefore compared the performance of three BEAs against manual brain extraction using a high-resolution set of T1-weighted MRI brain volumes.  ...  The proposed method can be used in TMS studies to localize the stimulated cortical sites, and in high resolution EEG and MEG studies to supply tentative localization into Talairach space of source solutions  ...  Methods High-resolution MRI scans from 39 schizophrenia patients were analyzed using deformation-based morphometry (DBM) [2].  ... 
doi:10.1016/s1053-8119(05)70006-9 fatcat:zff2suxcofbxvetfrwfwcxi3zm

CARS 2020—Computer Assisted Radiology and Surgery Proceedings of the 34th International Congress and Exhibition, Munich, Germany, June 23–27, 2020

2020 International Journal of Computer Assisted Radiology and Surgery  
of the outstanding features of CARS is the personal (analogue) interaction of participants from different disciplines and cultures.  ...  Preface Analogue and Digital CARS 2020 Congress The overarching purpose of the scholarly publication and communication process of IJCARS in the context of the CARS congress could be defined as: "To enable  ...  Besides, use of gloves is low, so doses of hands are still high. Therefore, a master-slave robotic system for VI is necessary for minimization of the radiation exposure.  ... 
doi:10.1007/s11548-020-02171-6 pmid:32514840 fatcat:lyhdb2zfpjcqbf4mmbunddwroq

A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM

Jerzy Dziewierz, Timothy Lardner, Anthony Gachagan
2013 2013 IEEE International Ultrasonics Symposium (IUS)  
Using this technology, the spatial patterning of cells can be controlled noninvasively through proper design of the ultrasound field.  ...  A second technology uses ultrasound to noninvasively control the microstructure of collagen within engineered tissues.  ...  control room of the MRI scanner.  ... 
doi:10.1109/ultsym.2013.0035 fatcat:th5znfh7y5bklfdbmhb4u6iq2i

Grafting acoustic instruments and signal processing: Creative control and augmented expressivity

Dan Overholt
2013 Journal of the Acoustical Society of America  
Beranek, we seek to correlate acoustical measurements of spaces used for Sacred Harp singing with subjective evaluations of those spaces made by the singers themselves.  ...  In addition, various measurement techniques for this type of space are explored and reported. 9:15 1aAA2. The effect of two different rooms on acoustical and perceptual measures of mixed choir sound.  ...  Modeling of bio-inspired broadband sonar for high-resolution angular imaging. Jason E. Gaudette (Adv. Acoust. Systems Div., NUWC Div.  ... 
doi:10.1121/1.4830794 fatcat:2sexsmbypjcozjctnorzoiy7te

Software-based representation of selected benchmark hierarchies equipped with publically available data

Marcus Bannenberg, Patricia Barral, Andreas Bärmann, Jean-David Benamou, Federico Bianco, Andreas Binder, Guillaume Chazareix, Sören Dittmer, Daniel Fernández Comesaña, Michele Girfoglio, Michael Günther, José Carlos Gutiérrez Pérez (+27 others)
2020 Zenodo  
The present document includes a detailed description of the computer implementation of these benchmarks involving not only the required publically available data but also the used software packages, libraries  ...  , and testing of the generated MSO/MOR software.  ...  Using surrogate data sets means to use data that is presumably similar to MPI data, like MRI data, to boot strap a Deep Learning approach.  ... 
doi:10.5281/zenodo.3888145 fatcat:malt5t6dc5evbdqrfvauegfubq

Exploring dynamic functional connectivity by incorporating prior knowledge of brain structure

Anjali Bagunu Tarun
2020
We complement each other so well in many different aspects of life, and I've grown so much as a person because of you.  ...  A special thanks also to the family of my fiancé, Mamina, Tatino, and Dominik, for welcoming me to your home.  ...  All of these activities have made my stay in Switzerland cheerful and memorable.  ... 
doi:10.5075/epfl-thesis-8205 fatcat:o2gshjgtwvh25hh3osy6q7chsu

2013 Canadian Stroke Congress Abstracts

2013 Stroke  
A method has high inter-rater reliability if the level of concordance is high. Results: Measuring residual lumen ratio on CTA(3mm) is the most reliable technique for measuring clot length.  ...  CBF-PET was performed on an ECAT EXACT HR scanner (Siemens/CTI).  ...  This study reviewed the use of two caregiver outcome measurement tools in a community-based rehabilitation setting post stroke.  ... 
doi:10.1161/01.str.0000438095.11293.72 fatcat:wuapkkr73zcvbga266lrkjwdwy

PhD PROCEEDINGS ANNUAL ISSUES OF THE DOCTORAL SCHOOL FACULTY OF INFORMATION TECHNOLOGY & BIONICS 2016 PhD PROCEEDINGS ANNUAL ISSUES OF THE DOCTORAL SCHOOL FACULTY OF INFORMATION TECHNOLOGY & BIONICS PhD PROCEEDINGS

Pázmány Péter
unpublished
JPEG2000, and using the within noise lossless mode it can reduce image sizes by more than a factor of 20.  ...  ACKNOWLEDGEMENTS The author would express deep gratitude to his supervisor, Arpád Csurgay DSc for guidances he gave and the promotion of the doctoral research work.  ...  Each axis measures the rotation with a TLE5012B 15/16 bit resolution. This gives us 0.01°angular resolution per axis (after calibration).  ... 
fatcat:rohrwr24czgptpmrm4icheq4yq

Dagstuhl Reports, Volume 6, Issue 4, April 2016, Complete Issue [article]

2016
Combination of Static Analysis and Learning  ...  Using a matching-based model, re-assignment of routes for all trams arriving at the terminals within the planning period is optimised.  ...  Diffusion weighted MRI (DW-MRI) probes the displacement of water molecules inside the tissue, which is influenced by the presence of cellular membranes.  ... 
doi:10.4230/dagrep.6.4 fatcat:27bnit22ive7hplns57eoojqtm
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