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Biomarkers for HARDI: 2nd & 4th order tensor invariants
2012
2012 9th IEEE International Symposium on Biomedical Imaging (ISBI)
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We present and explain the integrity basis, basic invariants and principal invariants of 2nd & 4th order tensors to expand on a recently proposed paper on 4th order tensor invariants. ...
In this paper, we explore the theory of tensor invariants as a mathematical framework for computing new biomarkers for HARDI. ...
These results strongly indicate that the integrity basis for 2nd & 4th order tensors form a promising framework for developing new biomarkers for HARDI. ...
doi:10.1109/isbi.2012.6235475
dblp:conf/isbi/GhoshPD12
fatcat:m22auvpdvnfjroi76tquhs4c6e
Potential Biomarkers From Positive Definite 4th Order Tensors In Hardi
2021
2021 IEEE 18th International Symposium on Biomedical Imaging (ISBI)
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In this paper, we provide a framework to evaluate new scalar quantities for higher order tensors (HOT) appearing in high angular resolution diffusion imaging (HARDI). ...
Experiments performed in the 4th order case reveal that D-components encode geometric information unlike the isometric 6D 2nd order Voigt form. ...
Acknowledgments The authors from CTU, Prague acknowledges the support by OpVVV project CZ.02.1.01/0.0/0.0/16 019/0000765 Research Center for Informatics. ...
doi:10.1109/isbi48211.2021.9434144
fatcat:qfg43x7yxzgunlyfe26nb5lzqy
Rotation Invariant Features for HARDI
[chapter]
2013
Lecture Notes in Computer Science
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This paper proposes a new family of rotation invariant scalar features for dMRI based on the spherical harmonic (SH) representation of high angular resolution diffusion images (HARDI). ...
These features describe the shape of the orientation distribution function extracted from HARDI data and are applicable to any reconstruction method that represents HARDI signals in terms of an SH basis ...
[16] on the principal invariants of the 4th order tensor. ...
doi:10.1007/978-3-642-38868-2_59
pmid:24684011
pmcid:PMC4194072
fatcat:ppq34e3wvvanlnaks3bmnyj2mm
On facilitating the use of HARDI in population studies by creating rotation-invariant markers
2015
Medical Image Analysis
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HARDI and can be used for HARDI-based population analysis. ...
These measures quantify the complexity of the angular diffusion profile modeled using a higher order model, thereby giving more information than classical diffusion tensor-derived parameters. ...
The first method (Ghosh et al., 2012a) starts from a 4th-order tensor representation of the HARDI function, and rewrites the 4th-order tensor as a 2nd-order tensor in R 6 . ...
doi:10.1016/j.media.2014.10.009
pmid:25465846
pmcid:PMC4752594
fatcat:kr72jfhlkvfsrnqga2agnv3hnm
From Diffusion MRI to Brain Connectomics
[chapter]
2012
Modeling in Computational Biology and Biomedicine
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Euler's method, the 2nd order Runge-Kutta method, and the adaptive 4th order 727 Runge Kutta method as numerical integration schemes. ...
Therefore, key challenges to tackle include defining new biomarkers related to the quantities, scalar or not, that could be retrieved from High Order Tensors, HARDI, Q-Ball or the EAP to better describe ...
doi:10.1007/978-3-642-31208-3_6
fatcat:yie47qd3ezc4jivnqpyfo62rju
In vivo diffusion magnetic resonance imaging of the white matter microstructure from dictionaries generated by Monte Carlo simulations: development and validation
2019
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The superposition approximation for DW-MRI signals in the presence of multiple fascicles of axons, often taken for granted in state-of-the-art approaches, was thoroughly verified. ...
Monte Carlo simulations of DW-MRI signals, or fingerprints, are pre-computed for a large collection of microstructural configurations. ...
The protocol was mainly used for a Diffusion Tensor Imaging (DTI, Basser et al. (1994) ) fit in order to correct for slight
Methods Table 4 .1: 2-D sampling of the q-space for enhanced sensitivity ...
doi:10.5075/epfl-thesis-8497
fatcat:36xme4kjlnbxtalqexaprlnske
Final Program Forty Second Annual Meeting International Neuropsychological Society February 12–15, 2014 Seattle, Washington, USA
2014
Journal of the International Neuropsychological Society
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Clinical trials aimed at improving neuropsychological function are increasingly important for developing the evidence base for both pharmacologic and behavioral (experience-based) interventions. ...
We will make frequent reference to a developmental framework in which different designs may be appropriate for addressing the distinct goals of different phases of research, from initial proof-of-concept ...
HARDY. Feasibility of Computerized Cognitive Training with Young Survivors of Childhood Cancer. ...
doi:10.1017/s1355617714000381
pmid:24666775
fatcat:6bwv7b2wjjez3beb3z5bryms6i
Social cognition and psychopathology in adolescents Where are we in clinical applications of stem cells in ischaemic stroke? Paul Reading Recent advances in narcolepsy Public and patient involvement (PPI) at King's: Community for Research Involvement and Support for people with Parkinson's (CRISP)
unpublished
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Presentation: 50/100/200 units of Clostridium Botulinum Neurotoxin type A (150 kD), free from complexing proteins as a powder for solution for injection. ...
Dosage and Administration: Due to unit differences in the potency assay, unit doses for Xeomin are not interchangeable with those for other preparations of Botulinum toxin. ...
…modern treatments for Parkinson's only became available after research and testing on [PD] patients ...
fatcat:6ygcpyr7rje73jyeaqbcjcbd4u
Orals
2012
Diabetes
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The MARD for the study was 12.6%. Values for BG measurements ranged from 38 to 399 mg/dL. ...
Data reporting percentages, a measure of reliability, were 76% for the DexCom and nearly 100% for the Navigator and Guardian. ...
Young male CD11cMyD88+/+MyD88-/mice (n=18), control MyD88-/-mice (n=18) and wild type B6 mice (n=24) were fed with HF diet for 16 weeks. ...
doi:10.2337/db12-1-377
fatcat:aghmf2kiovg2znbr4fv2akelra
Measuring Temperature with Atoms and Molecules
2018
Conference on Lasers and Electro-Optics
unpublished
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The phenomena were explained by taking account of 2nd and 4th-order nonlinearities. ...
Our technique
allows for an absolute measurement of biomarker concentra-
tion and proves sensitivity to a single biomarker (a colloidal
quantum dot). ...
doi:10.1364/cleo_si.2018.stu3p.3
fatcat:2aon5ltmpfafpmsux5nywbr754