Filters








113 Hits in 4.4 sec

Quadratic: quality of dice in registration circuits

Shikha Chaganti, Bennett A. Landman, Elsa D. Angelini, Bennett A. Landman
2018 Medical Imaging 2018: Image Processing  
We found that the quadratic model most accurately learns the NRR-DSC, with a median correlation coefficient of 0.58 with the true NRR-DSC, we call this the QUADRATIC (QUAlity of Dice in RegistrATIon Circuits  ...  In this paper, we model the error for each target scan by expanding on the idea of Assessing Quality Using Image Registration Circuits (AQUIRC), which created a model for error "quality" associated with  ...  The quality of the registration was measured based on structural correspondence between the target image and registered atlas.  ... 
doi:10.1117/12.2293642 pmid:29887660 pmcid:PMC5990287 dblp:conf/miip/ChagantiL18 fatcat:r2pu22scb5gvjifilfu644xdcy

Consistency-based rectification of nonrigid registrations

Tobias Gass, Gábor Székely, Orcun Goksel
2015 Journal of Medical Imaging  
On clinical data, we show improvements of up to 50% target registration error in breathing motion estimation from four-dimensional MRI and improvements in atlas-based segmentation quality of up to 65%  ...  in terms of mean surface distance in three-dimensional (3-D) CT.  ...  Acknowledgments This work has been supported by the CO-ME/NCCR research network of the Swiss National Science Foundation (http://come.ch).  ... 
doi:10.1117/1.jmi.2.1.014005 pmid:26158083 pmcid:PMC4478936 fatcat:pv2dhg3fq5ha3by6qqcqdmhe5i

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. SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model.  ...  Utilization of CIDs allows articles to be fully citable as soon as they are published online, and connects the same identifier to all online and print versions of the publication.  ...  0O A multilevel Markov Chain Monte Carlo approach for uncertainty quantification in deformable registration [10574-23] 10574 0P Quadratic: quality of dice in registration circuits [10574-24] 10574  ... 
doi:10.1117/12.2315755 fatcat:jdfbaent6vhu5dwlrqrqt66vce

Dynamic Functional Connectivity of Resting-State Spinal Cord fMRI Reveals Fine-Grained Intrinsic Architecture

Nawal Kinany, Elvira Pirondini, Silvestro Micera, Dimitri Van De Ville
2020 Neuron  
We provide a versatile tool, the spinal innovation-driven co-activation patterns (SpiCiCAP) framework, to characterize spinal circuits during rest and task, as well as their disruption in neurological  ...  Only a handful of studies have probed the organization of spinal resting-state fluctuations, always using static measures of connectivity.  ...  Health and Related Technologies'' of the ETH Domain, and the Bertarelli Foundation.  ... 
doi:10.1016/j.neuron.2020.07.024 pmid:32910894 fatcat:2ttxnjr4tveafeozpurpxgtj6u

Differential regional decline in dopamine receptor availability across adulthood: Linear and nonlinear effects of age [article]

Kendra L Seaman, Eric J Juarez, Christopher Smith, Linh C Dang, Jaime Castrellon, Leah L Burgess, M. Danica San Juan, Paul M. Kundzicz, Ronald L Cowan, David H Zald, Gregory Samanez-Larkin
2018 bioRxiv   pre-print
]fallypride in two samples of healthy human adults (combined N=132).  ...  Theories of adult brain development, based on neuropsychological test results and structural neuroimaging, suggest differential rates of age-related change in function across cortical and subcortical sub-regions  ...  between age and any measure of registration quality.  ... 
doi:10.1101/358200 fatcat:zzt7blmtbrbj5ot3qiary6ajb4

High-speed three-dimensional photoacoustic computed tomography for preclinical research and clinical translation

Li Lin, Peng Hu, Xin Tong, Shuai Na, Rui Cao, Xiaoyun Yuan, David C Garrett, Junhui Shi, Konstantin Maslov, Lihong V Wang
2021 Nature Communications  
However, the imaging depth, speed, and quality of existing PACT systems have previously limited the potential applications of this technology.  ...  In the rat brain, we visualize whole brain vasculatures and hemodynamics. In the human breast, an in vivo imaging depth of 4 cm is achieved by scanning the breast within a single breath hold of 10 s.  ...  This work was sponsored by the United States National Institutes of Health (NIH) grants R01 CA186567 (NIH Director's Transformative Research Award), R35 CA220436 (Outstanding Investigator Award), and U01  ... 
doi:10.1038/s41467-021-21232-1 pmid:33563996 fatcat:r4cgqdxffrhjdoe4gujah4gh6q

Multivariate Analyses Applied to Healthy Neurodevelopment in Fetal, Neonatal, and Pediatric MRI

Jacob Levman, Emi Takahashi
2016 Frontiers in Neuroanatomy  
While the results of this review demonstrate considerable interest from the scientific community in applications of MVA technologies in brain MRI, the field is still young and significant research growth  ...  This paper presents the results of a systematic review of the literature focusing on MVA applied to healthy subjects in fetal, neonatal and pediatric magnetic resonance imaging (MRI) of the brain.  ...  ACKNOWLEDGMENTS This article was supported by the National Institute of Health grants R01HD078561 and R03NS091587 to ET.  ... 
doi:10.3389/fnana.2015.00163 pmid:26834576 pmcid:PMC4720794 fatcat:wctsqbvl6baq5m7dm4snvry5lu

Increased prevalence of a frontoparietal brain state at rest is associated with better motor recovery in individuals with pontine stroke affecting dominant-hand corticospinal tract [article]

Emily Olafson, Georgia Russello, Keith W Jamison, Hesheng Liu, Danhong Wang, Joel Bruss, Aaron Boes, Amy Kuceyeski
2022 bioRxiv   pre-print
neural pathways that support recovery of motor function when traditional motor circuits of the dominant-hemisphere CST are compromised.  ...  Furthermore, the amount of time spent in brain states was linked theoretically and empirically to functional connectivity.  ...  recovery of motor function when traditional motor circuits of the dominant-hemisphere CST are compromised.  ... 
doi:10.1101/2022.02.10.479962 fatcat:62z5wo76tnhyxbmcnpoexa6zby

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  
algorithm assessing quality using registration circuits (AQUIRC) to multiatlas segmentation Ryan Datteri, Benoit M.  ...  In this presentation, progress toward the development of the first SPC prototypes based on poly-Si will be reported, the capabilities of such circuits (based on circuit simulations and early measurements  ...  2 cm) in tens of minutes yielding images containing millions of spectra. Spectra are then automatically classified as one of seven cell-types in prostate tissue in a matter of seconds.  ... 
doi:10.1117/12.2043492 fatcat:fyzpc5m6jbh7fjohqpdmtzkhte

In vivo 3T and ex vivo 7T diffusion tensor imaging of prostate cancer: Correlation with histology

Carlos F. Uribe, Edward C. Jones, Silvia D. Chang, S. Larry Goldenberg, Stefan A. Reinsberg, Piotr Kozlowski
2015 Magnetic Resonance Imaging  
These contours are used to determine the quality of the registration by calculating the Dice Similarity Coefficient (DSC) value, explained in detail in the next section.  ...  The quadratic model of equation 4.8 for example, is defined by second order polynomials and has 30 degrees of freedom.  ...  The Registration Software The most current elastix version, released after completing the registration software, now includes an option to input corresponding points in the images in order to help the  ... 
doi:10.1016/j.mri.2015.02.022 pmid:25721995 pmcid:PMC5462375 fatcat:uvks2wqmsnfm7hmxdyljvcwh2y

Microfabrication techniques for trapped ion quantum information processing [article]

Joe Britton
2010 arXiv   pre-print
In one approach, linear arrays of trapped, laser cooled ion qubits (two-level quantum systems) are confined in segmented multi-zone electrode structures.  ...  Using 24Mg+ I demonstrated loading and transport between zones in microtraps made of boron doped silicon.  ...  The foreground surfaces were exposed by a dicing saw cut and are not representative of the deep etching process surface quality.  ... 
arXiv:1008.2222v1 fatcat:vzokzvyhu5ew3ibzjkrty5nk3y

Learning Capacity in Simulated Virtual Neurological Procedures

Mattia Samuel Mancosu, Silvester Czanner, Martin Punter
2020 Journal of WSCG  
ACKNOWLEDGMENTS The authors acknowledge the support of the NSERC/Creaform Industrial Research Chair on 3-D Scanning for conducting the work presented in this paper.  ...  This work was partially supported by a grant of Ministry of Research and Innovation, CNCS -UEFISCDI, project number PN-III-P4-ID-PCE-2016-0842, within PNCDI III.  ...  has a series of Dice values in proximity of about 0.82.  ... 
doi:10.24132/csrn.2020.3001.13 fatcat:uytlm7nytrhmnk553ellfhl54a

Machine Learning Applications on Neuroimaging for Diagnosis and Prognosis of Epilepsy: A Review [article]

Jie Yuan, Xuming Ran, Keyin Liu, Chen Yao, Yi Yao, Haiyan Wu, Quanying Liu
2021 arXiv   pre-print
Machine learning is playing an increasingly important role in medical image analysis, spawning new advances in the clinical application of neuroimaging.  ...  In this review, we emphasize the interaction between neuroimaging and machine learning in the context of epilepsy diagnosis and prognosis.  ...  the segmentation mask of hippocampus, with dice coefficient being 77%.  ... 
arXiv:2102.03336v3 fatcat:mryusowfbjfjldmx46zcwu6dja

Multiple Hypothesis Hypergraph Tracking for Posture Identification in Embryonic Caenorhabditis elegans [article]

Andrew Lauziere, Evan Ardiel, Stephen Xu, Hari Shroff
2022 arXiv   pre-print
Current methods in multiple object tracking (MOT) rely on independent object trajectories undergoing predictable motion to effectively track large numbers of objects.  ...  MHHT is applied to perform seam cell tracking during late-stage embryogenesis in embryonic C. elegans.  ...  Acknowledgements This research is supported by the Laboratory of High Resolution Optical Imaging within the National Institute of Biomedical Imaging and Bioengineering at the National Institutes of Health  ... 
arXiv:2111.06425v2 fatcat:2fm3hdpoq5bfzbjw4wksubxobm

A multivariate distance-based analytic framework for connectome-wide association studies

Zarrar Shehzad, Clare Kelly, Philip T. Reiss, R. Cameron Craddock, John W. Emerson, Katie McMahon, David A. Copland, F. Xavier Castellanos, Michael P. Milham
2014 NeuroImage  
The identification of phenotypic associations in high-dimensional brain connectivity data represents the next frontier in the neuroimaging connectomics era.  ...  As a computationally efficient, extensible, and scalable method, our CWAS framework can accelerate the discovery of brain-behavior relationships in the connectome.  ...  this manuscript, and Simon Zorin for assisting in analyses.  ... 
doi:10.1016/j.neuroimage.2014.02.024 pmid:24583255 pmcid:PMC4138049 fatcat:awsilxdbkjf6podlgn7apz6c6u
« Previous Showing results 1 — 15 out of 113 results