Výsledky vyhľadávania - "Exact reconstruction"

Triple-source saddle-curve cone-beam photon counting CT image reconstruction: A simulation study: A simulation study

Autori: Xin, Lin Zhuo, Weihai Liu, Qian a ďalší

Zdroj: Z Med Phys
Zeitschrift für Medizinische Physik, Vol 34, Iss 3, Pp 408-418 (2024)

Predmety: Simulation study, 616.8, Saddle curve CT, Image Processing, R895-920, Phantoms, Imaging, Medical physics. Medical radiology. Nuclear medicine, 03 medical and health sciences, 0302 clinical medicine, Computer-Assisted/methods, Image Processing, Computer-Assisted, Humans, Computer Simulation, Cone-Beam Computed Tomography / methods, Original Paper, Photons, 616.0757, Triple-source, Phantoms, Imaging, Cone-Beam Computed Tomography, Cone-Beam Computed Tomography/methods, Image Processing, Computer-Assisted / methods, Photon counting CT, Exact reconstruction, Algorithms

Popis súboru: application/pdf

Prístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/36336554
https://doaj.org/article/354f2c61071245dd820b12f11480ffca
https://hdl.handle.net/11370/b99e0eb0-df27-47c4-a573-d11ed47c1f5f
https://research.rug.nl/en/publications/b99e0eb0-df27-47c4-a573-d11ed47c1f5f
https://doi.org/10.1016/j.zemedi.2022.10.003
https://archive-ouverte.unige.ch/unige:167022
https://doi.org/10.1016/j.zemedi.2022.10.003

Exact parameter identification in PET pharmacokinetic modeling: extension to the reversible two tissue compartment model

Autori: Martin Holler Erion Morina Georg Schramm

Zdroj: Inverse Problems. 41:095009

Predmety: exact reconstruction, DYNAMIC PET, Mathematics, Applied, quantitative PET imaging, Dynamical Systems (math.DS), 0101 Pure Mathematics, POSITRON-EMISSION-TOMOGRAPHY, 0102 Applied Mathematics, BINDING, Classical Analysis and ODEs (math.CA), FOS: Mathematics, 4901 Applied mathematics, Mathematics - Dynamical Systems, INPUT FUNCTION, Mathematics - Optimization and Control, Science & Technology, 0105 Mathematical Physics, Physics, Applied Mathematics, 65L09, 94A12, 92C55, 34C60, Physics, Mathematical, two tissue compartment model, Mathematics - Classical Analysis and ODEs, Optimization and Control (math.OC), Physical Sciences, 4904 Pure mathematics, Mathematics

Prístupová URL adresa: http://arxiv.org/abs/2504.09959
https://lirias.kuleuven.be/handle/20.500.12942/772624
https://doi.org/10.1088/1361-6420/adffac

A NURBS-Enhanced Finite Volume Method for Steady Euler Equations with Goal-Oriented $h$-Adaptivity: A NURBS-enhanced finite volume method for steady Euler equations with goal-oriented \(h\)-adaptivity

Autori: Meng, Xucheng Hu, Guanghui

Zdroj: Communications in Computational Physics. 32:490-523

Predmety: B-spline basis function, Computer-aided design (modeling of curves and surfaces), non-oscillatory k-exact reconstruction, NACA0012 airfoil, point inversion, Gas dynamics (general theory), Finite volume methods applied to problems in fluid mechanics, a posteriori error estimate, 0101 mathematics, 01 natural sciences, geometric multigrid method

Popis súboru: application/xml

Triple-source saddle-curve cone-beam photon counting CT image reconstruction: A simulation study

Autori: Xin, Lin Zhuo, Weihai Liu, Qian a ďalší

Zdroj: ISSN: 0939-3889 ; Zeitschrift für medizinische Physik, vol. 34, no. 3 (2024) p. 408-418.

Predmety: info:eu-repo/classification/ddc/616.8, info:eu-repo/classification/ddc/616.0757, Exact reconstruction, Photon counting CT, Saddle curve CT, Simulation study, Triple-source, Algorithms, Computer Simulation, Cone-Beam Computed Tomography / methods, Humans, Image Processing, Computer-Assisted / methods, Phantoms, Imaging, Photons

Relation: info:eu-repo/semantics/altIdentifier/pmid/36336554; unige:167022

Dostupnosť: https://archive-ouverte.unige.ch/unige:167022

Exact parameter identification in PET pharmacokinetic modeling using the irreversible two tissue compartment model

Autori: Holler, Martin Morina, Erion Schramm, Georg

Zdroj: ISSN:0031-9155 ; ISSN:1361-6560 ; Physics In Medicine And Biology, vol. 69 (16), Art.No. ARTN 165008.

Predmety: Science & Technology, Technology, Life Sciences & Biomedicine, Engineering, Biomedical, Radiology, Nuclear Medicine & Medical Imaging, quantitative PET imaging, two-tissue compartment model, exact reconstruction, Tikhonov regularization, iteratively regularized Gauss Newton method, INPUT FUNCTION, CONVERGENCE-RATES, BINDING, IMAGES, Positron-Emission Tomography, Models, Biological, Image Processing, Computer-Assisted, Kinetics, Humans, 0299 Other Physical Sciences, 0903 Biomedical Engineering, 1103 Clinical Sciences, 5105 Medical and biological physics

Popis súboru: application/pdf

Relation: https://lirias.kuleuven.be/handle/20.500.12942/745337; https://pubmed.ncbi.nlm.nih.gov/38830366

Dostupnosť: https://lirias.kuleuven.be/handle/20.500.12942/745337
https://hdl.handle.net/20.500.12942/745337
https://lirias.kuleuven.be/retrieve/cbade176-fd01-4daf-a219-890b9aa564f7
https://doi.org/10.1088/1361-6560/ad539e
https://pubmed.ncbi.nlm.nih.gov/38830366

A Novel Six-Probe Method for the Measurement and Exact Reconstruction of a Pair of Parallel Profiles

Autori: Xi Chen Changku Sun Luhua Fu a ďalší

Zdroj: IEEE Access, Vol 8, Pp 68158-68168 (2020)

Predmety: exact reconstruction, 0209 industrial biotechnology, high lateral resolution, 0103 physical sciences, Data processing error, error elimination, Electrical engineering. Electronics. Nuclear engineering, 02 engineering and technology, 01 natural sciences, TK1-9971

Prístupová URL adresa: https://ieeexplore.ieee.org/ielx7/6287639/8948470/09057539.pdf
https://doaj.org/article/41f589c76aa04138bb3de37201fb1a8b
https://dblp.uni-trier.de/db/journals/access/access8.html#ChenSFL20
https://doi.org/10.1109/ACCESS.2020.2985849

Extending the global-direction stencil with 'face-area-weighted centroid' to unstructured finite volume discretization from integral form

Autori: Lingfa Kong Yidao Dong Wei Liu a ďalší

Zdroj: Advances in Aerodynamics, Vol 2, Iss 1, Pp 1-43 (2020)

Predmety: Unstructured finite volume methods, k-exact reconstruction algorithm, Global-direction stencil, Grid skewness, Face-area-weighted centroid, Engineering (General). Civil engineering (General), TA1-2040, Motor vehicles. Aeronautics. Astronautics, TL1-4050

Popis súboru: electronic resource

Relation: http://link.springer.com/article/10.1186/s42774-020-00048-5; https://doaj.org/toc/2524-6992

Prístupová URL adresa: https://doaj.org/article/1a451e5be2b04b37a49690a003ef9859

Theoretically Exact Filtered Backprojection-Type Inversion Algorithm for Spiral CT

Autori: Katsevich, Alexander

Zdroj: SIAM Journal on Applied Mathematics, 2002 Jul 01. 62(6), 2012-2026.

Prístupová URL adresa: https://www.jstor.org/stable/3648749

Adjoint-based an adaptive finite volume method for steady Euler equations with non-oscillatory k -exact reconstruction: Adjoint-based an adaptive finite volume method for steady Euler equations with non-oscillatory \(k\)-exact reconstruction

Autori: Guanghui Hu Xucheng Meng Nianyu Yi

Zdroj: Computers & Fluids. 139:174-183

Predmety: non-oscillatory \(k\)-exact reconstruction, Finite volume methods for boundary value problems involving PDEs, steady Euler equations, \(h\)-adaptive method, 0103 physical sciences, adjoint-based error estimation, Finite volume methods applied to problems in fluid mechanics, high-order finite volume methods, 0101 mathematics, Euler equations, 01 natural sciences

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/6894319
https://doi.org/10.1016/j.compfluid.2016.06.012
https://www.sciencedirect.com/science/article/pii/S0045793016301979

An improved exact filtered backprojection algorithm for spiral computed tomography

Autori: Katsevich, Alexander

Zdroj: Advances in Applied Mathematics. 32:681-697

Predmety: Biomedical imaging and signal processing, Applied Mathematics, Theoretically exact reconstruction, cone-beam, filtered back-projection algorithm, Spiral tomography, theoretically exact reconstruction, 03 medical and health sciences, 0302 clinical medicine, spiral tomography, Applied, INVERSION ALGORITHM, Filtered back-projection algorithm, Mathematics, Cone-beam, CT, Radon transform

Popis súboru: application/xml

Prístupová URL adresa: https://www.sciencedirect.com/science/article/pii/S019688580300099X
https://dblp.uni-trier.de/db/journals/aam/aam32.html#Katsevich04
https://www.sciencedirect.com/science/article/abs/pii/S019688580300099X
https://dl.acm.org/doi/abs/10.1016/S0196-8858%2803%2900099-X
https://doi.org/10.1016/S0196-8858(03)00099-X

High-resolution helical cone-beam micro-CT with theoretically-exact reconstruction from experimental data: Helical cone-beam micro-CT with theoretically-exact reconstruction

Autori: Varslot, Trond Kingston, Andrew Myers, Glenn a ďalší

Zdroj: Medical Physics. 38:5459-5476

Predmety: Time Factors, 02 engineering and technology, micro-CT, tomography, bone, 01 natural sciences, Bone and Bones, 03 medical and health sciences, 0302 clinical medicine, equipment design, Keywords: algorithm, computer program, Humans, human, micro-computed tomography, reproducibility, time, 0105 earth and related environmental sciences, Models, Statistical, X-Rays, statistical model, article, artifact, Reproducibility of Results, computer assisted diagnosis, methodology, Equipment Design, X-Ray Microtomography, cone beam computed tomography, Cone-Beam Computed Tomography, Arti exact reconstruction, X ray, Radiographic Image Interpretation, Computer-Assisted, pathology, helical micro-CT, Artifacts, 0210 nano-technology, Algorithms, Software

Prístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/21992365
https://people.physics.anu.edu.au/~tkv110/misc/2011-Varslot-Highresolution_helical_cb_microCT_with_exact_reconstruction.pdf
https://digitalcollections.anu.edu.au/handle/1885/60027
http://onlinelibrary.wiley.com/doi/10.1118/1.3633900/abstract
https://ui.adsabs.harvard.edu/abs/2011MedPh..38.5459V/abstract
https://openresearch-repository.anu.edu.au/handle/1885/60027
https://www.ncbi.nlm.nih.gov/pubmed/21992365

A Study of 1PI Algorithms for a General Class of Curves

Autori: Kapralov, M. Katsevich, A.

Zdroj: SIAM Journal on Imaging Sciences. 1:418-459

Predmety: exact reconstruction, Technology, filtered backprojection algorithms, Crofton symbol, 03 medical and health sciences, Engineering, 0302 clinical medicine, Imaging Science & Photographic, Artificial Intelligence, Computer Science, Applied, cone beam transform, Software, Mathematics, shift-invariant filtering

Popis súboru: application/pdf

Prístupová URL adresa: https://stars.library.ucf.edu/cgi/viewcontent.cgi?article=1512&context=facultybib2000

Reconstruction and Subgaussian Operators in Asymptotic Geometric Analysis

Autori: Shahar Mendelson Alain Pajor Nicole Tomczak-Jaegermann

Zdroj: Geometric and Functional Analysis. 17:1248-1282

Predmety: Asymptotic geometric analysis, Empirical processes, Subgaussian operators, Keywords: Approximate reconstruction, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, 0101 mathematics, Exact reconstruction, 01 natural sciences

Prístupová URL adresa: https://digitalcollections.anu.edu.au/handle/1885/38944
https://maths-people.anu.edu.au/~mendelso/papers/MPT-29-06-06.pdf
https://link.springer.com/content/pdf/10.1007%2Fs00039-007-0618-7.pdf
https://openresearch-repository.anu.edu.au/handle/1885/38944
https://rd.springer.com/article/10.1007%2Fs00039-007-0618-7

Exact FBP reconstruction for dynamic pitch helical cone beam CT

Autori: Katsevich, Alexander Basu, Samit Hsieh, Jiang

Zdroj: IEEE Symposium Conference Record Nuclear Science 2004.. 5:3299-3302

Predmety: 03 medical and health sciences, Wide cone helical, 0302 clinical medicine, Filtered backprojection, 4. Education, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, Dynamic pitch, Computed tomography, Exact reconstruction

Prístupová URL adresa: http://ieeexplore.ieee.org/document/1466394/

Algorithms for reconstruction of chromosomal structures

Autori: Lyubetsky, Vassily Gershgorin, Roman Seliverstov, Alexander a ďalší

Predmety: Chromosomal structure, Rearrangement of chromosomal structure, Ancestral chromosomal structure, Distance between chromosomal structures, Lowest weight transformation of one chromosome structure into another, Exact linear algorithm calculating the distance and transformation, Generation of a phylogenetic tree of chromosomal structures, Exact reconstruction algorithm with cubic complexity

Relation: http://www.biomedcentral.com/1471-2105/17/40

Dostupnosť: http://www.biomedcentral.com/1471-2105/17/40

Modified B-splines for the sampling of bandlimited functions: Modified \(B\)-splines for the sampling of bandlimited functions

Autori: Luc Knockaert F. Olyslager

Zdroj: IEEE Transactions on Signal Processing. 47:2328-2332

Predmety: exact reconstruction, 0301 basic medicine, 03 medical and health sciences, Spline approximation, bodified \(B\)-splines, oversampling, Switching theory, application of Boolean algebra, Boolean functions, asymptotic sampling theorem, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, Beta distribution

Popis súboru: application/xml

Prístupová URL adresa: https://zbmath.org/1614994
https://doi.org/10.1109/78.774780
https://core.ac.uk/display/55874983
https://biblio.ugent.be/publication/117046
https://dblp.uni-trier.de/db/journals/tsp/tsp47.html#KnockaertO99
https://ieeexplore.ieee.org/document/774780/
http://ieeexplore.ieee.org/document/774780/
https://ui.adsabs.harvard.edu/abs/1999ITSP...47.2328K/abstract

An Accuracy Assessment of Cartesian-Mesh Approaches for the Euler Equations: An accuracy assessment of Cartesian-mesh approaches for the Euler equations

Autori: Coirier, William J. Powell, Kenneth G. Michigan Univ., Ann Arbor a ďalší

Prispievatelia: Coirier, William J. Powell, Kenneth G. Michigan Univ., Ann Arbor a ďalší

Zdroj: Journal of Computational Physics. 117:121-131

Predmety: cell-centred finite-volume upwind based scheme, Other numerical methods (fluid mechanics), Transonic flows, uniformly refined structured mesh, Aerospace Engineering, truncation error, Euler equations, 01 natural sciences, Engineering, 0103 physical sciences, Ringleb's flow, cell merging, \(K\)-exact reconstruction procedures, 0101 mathematics

Popis súboru: application/xml; 1135409 bytes; 3112 bytes; application/pdf; text/plain

Prístupová URL adresa: http://deepblue.lib.umich.edu/bitstream/2027.42/76386/1/AIAA-1993-3335-607.pdf
https://arc.aiaa.org/doi/10.2514/6.1993-3335
https://ntrs.nasa.gov/search.jsp?R=19930061032
https://ntrs.nasa.gov/search.jsp?R=19960010012
http://ui.adsabs.harvard.edu/abs/1995JCoPh.117..121C/abstract
http://hdl.handle.net/2060/19960010012
https://dl.acm.org/doi/10.1006/jcph.1995.1050
http://deepblue.lib.umich.edu/bitstream/2027.42/76386/1/AIAA-1993-3335-607.pdf
https://www.sciencedirect.com/science/article/pii/S0021999185710509

Application of a High Order Finite Volume Scheme on Unstructured Grids to Fluid Dynamics and Aerothermochemistry

Autori: Haider, F. Bertier, N. Courbet, B. a ďalší

Prispievatelia: Haider, F. Bertier, N. Courbet, B. a ďalší

Zdroj: https://hal.science/hal-01111360 ; 2015.

Predmety: HIGH ORDER ACCURACY, FINITE VOLUME METHOD, K-EXACT RECONSTRUCTION, [SPI]Engineering Sciences [physics], [SPI.ACOU]Engineering Sciences [physics]/Acoustics [physics.class-ph]

Dostupnosť: https://hal.science/hal-01111360
https://hal.science/hal-01111360v1/document
https://hal.science/hal-01111360v1/file/DSNA14086.1418907964.pdf

A Four-Probe Method Using Different Probe Spacings for Measurement and Exact Reconstruction of Parallel Profiles

Autori: Chen, Xi Sun, Changku Liu, Changjie a ďalší

Zdroj: Applied Sciences
Volume 9
Issue 23

Predmety: exact reconstruction, 0209 industrial biotechnology, different probe spacings, 13. Climate action, high lateral resolution, 11. Sustainability, 0103 physical sciences, data processing error, parallel profiles, 02 engineering and technology, zero-adjustment error, 01 natural sciences

Popis súboru: application/pdf

Prístupová URL adresa: https://www.mdpi.com/2076-3417/9/23/5216/pdf
https://www.mdpi.com/2076-3417/9/23/5216/htm
https://www.mdpi.com/2076-3417/9/23/5216/pdf

Applications of Nonharmonic Fourier Analysis and Single Pixel Camera Design

Autori: Zhao, Chenzhi Benedetto, John J Digital Repository at the University of Maryland a ďalší

Prispievatelia: Zhao, Chenzhi Benedetto, John J Digital Repository at the University of Maryland a ďalší

Predmety: sampling, FOS: Mathematics, super-resolution, Uniqueness, Model sets, Quasicrystals, Exact reconstruction, Mathematics

Popis súboru: application/pdf

Prístupová URL adresa: https://drum.lib.umd.edu/handle/1903/26072