80 zoekresultaten voor “discrete tomography” in de Publieke website
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Error bounds for discrete tomography
Promotores: K.J. Batenburg, B. Koren
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Discrete tomography with two directions
Promotores: R. Tijdeman, K.J. Batenburg
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Network flow algorithms for discrete tomography
Promotor: R. Tijdeman, Co-promotor: H.J.J. te Riele
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Discrete tomography for integer-valued functions
Promotor: S.J. Edixhoven, Co-promotor: K.J. Batenburg
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Filter-based reconstruction methods for tomography
Promotor: K.J. Batenburg
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Benchmarking Discrete Optimization Heuristics
This thesis involves three topics: benchmarking discrete optimization algorithms, empirical analyses of evolutionary computation, and automatic algorithm configuration.
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Reconstruction Methods for Combined HAADF-STEM and EDS Tomography
The research in this thesis is focused on tomographic reconstruction based on two imaging modalities in electron microscopy.
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Travelling patterns on Discrete Media
This thesis describes how complex and real-world relevant analytical solutions can be found starting from a simple Nagumo problem posed on one or two-dimensional lattices.
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Improving robustness of tomographic reconstruction methods
Promotor: Prof.dr. K.J. Batenburg
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Computational optimisation of optical projection tomography for 3D image analysis
Optical projection tomography (OPT) is a tomographic 3D imaging technique used for specimens in the millimetre scale.
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Cryo Electron Tomography Studies On Bacterial Chemosensory Arrays
Bacterial chemosensory arrays are protein assemblies that are the key structural and functional component for motile bacteria to sense their internal or environmental chemical signals.
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Waves and Patterns in Discrete Media: Bridging the Gaps
What happens to electrical waves that have to cross gaps in insulation material around nerves in the human body
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Principal algebraic actions of the discrete Heisenberg group
Promotor: Prof.dr. W.T.F. den Hollander
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Real-time tomographic reconstruction
With tomography it is possible to reconstruct the interior of an object without destroying.
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Laser-generated toroidal helium plasmas
This dissertation is an experimental study of laser-generated, atmospheric pressure, transient toroidal helium plasmas.
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Deep learning for tomographic reconstruction with limited data
Tomography is a powerful technique to non-destructively determine the interior structure of an object.Usually, a series of projection images (e.g.\ X-ray images) is acquired from a range of different positions.
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Algebraic filters for filtered backprojection
Promotor: K.J. Batenburg, Co-promotor: A.W. van der Vaart, B. de Smit
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Philips Wiskunde Prijs voor Joost Batenburg
Met zijn presentatie tijdens het Nederlands Mathematisch Congres over nieuwe tomografie-technieken heeft Joost Batenburg, onderzoeker bij de Universiteit Leiden en bij het Centrum voor Wiskunde en Informatica (CWI) in Amsterdam, de eerste Philips Mathematics Prize voor promovendi gewonnen.
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Prof. dr. Joost Batenburg awarded with Vici grant 2015
The NWO (The Netherlands Organization for Scientific Research) awarded prof. Joost van Batenburg with the Vici grant 2015 for his research project ‘Real-time 3D Tomography’.
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The physics of nanowire superconducting single-photon detectors
Promotores: Prof.dr. D. Bouwmeester, Prof.dr. A. Fiore (TU Eindhoven)
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Photon detection at subwavelength scales
Promotor: Prof.dr. E. Eliel, Co-Promotor: M.J.A. de Dood
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Benchmarking Discrete Optimization Heuristics
Promotie
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Patterns on Spatially Structured Domains
We consider the propagation of electrical signals through nerve fibres.
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Sparsity-Based Algorithms for Inverse Problems
Inverse problems are problems where we want to estimate the values of certain parameters of a system given observations of the system. Such problems occur in several areas of science and engineering. Inverse problems are often ill-posed, which means that the observations of the system do not uniquely…
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Travelling patterns on Discrete Media
Promotie
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Convergent molecular evolution of toxins in the venom of advanced snakes (Colubroidea)
The explosive radiation and diversification of the advanced snakes (superfamily Colubroidea) was associated with changes in all aspects of the shared venom system. Morphological changes included the partitioning of the mixed ancestral glands into two discrete glands devoted for production of venom ormucous…
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Bayesian Inference for Gaussian Models
This dissertation studies the Asymptotics of Bayesian nonparametric inference for Gaussian linear models.
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Travelling waves on trees and square lattices
In this thesis we study bistable reaction-diffusion equations on lattice domains.
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Optical coherence Tomography for Coronary Artery Disease: Analysis and Applications
Promotie
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Cellular cryo-tomography of nidovirus replication organelles
Promotie
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Cryo Electron Tomography Studies On Bacterial Chemosensory Arrays
Promotie
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Optimization and Application of 3D Reconstruction for Optical Projection Tomography
Promotie
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Reconstruction Methods for Combined HAADF-STEM and EDS Tomography
Promotie
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Coherent dynamics in solar energy transduction
Promotor: Prof.dr. H.J.M. de Groot, Co-promotor: Francesco Buda
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UITGESTELD | Computational Optimisation of Optical Projection Tomography for 3D Image Analysis
Promotie
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Fusion of X-ray angiography and Optical Coherence Tomography for coronary flow simulation
Promotie
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heart disease with advanced echocardiography and cardiac computed tomography
Promotie
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Structural characterization of the cell envelope of Actinobacteria under changing environments
Bacteria have the ability to alter their morphology in order to adapt to changing environments.
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Invariant manifolds and applications for functional differential equations of mixed type
Promotor: S.M. Verduyn Lunel
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Physics implications of shape on biological function
Shape and biological function are tightly connected. Physical descriptions are used to connect the shape of a biological system with its function.
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A monodromy criterion for existence of Neron models and a result on semi-factoriality
In the first part, we introduce a new condition, called toric-additivity, on a family of abelian varieties degenerating to a semi-abelian scheme over a normal crossing divisor.
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Leukemia treatment & cognitive development
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Geometric quadratic Chabauty and other topics in number theory
This thesis is is made of three parts. The first part describes a generalization of the Chabauty's method, that can be used to determine the rational points of a curve such that s+g>r+1, where g is the genusof the curve, r is the rank of the Mordell-Weil group of the jacobian of the curve and s is…
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The symmetry of crystals and the topology of electrons
Promotor: J. Zaanen, Co-Promotor: V. Juricic
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Development and application of cryo-EM tools to study the ultrastructure of microbes in changing environments
Cryogenic electron microscopy (cryo-EM) is a powerful technique used to visualize the inside of cells and to study specific protein complexes. Within this thesis, I describe the use of various cryo-EM techniques to gain insight into the structural changes of the human pathogen, Vibrio cholerae, as it…
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Molecular electronics: Controlled manipulation, noise and graphene architecture
Atoms and molecules are the basic units of matter. If we keep dividing a bar of gold or a glass of water into smaller parts, at the end we are left with a single gold atom or a water molecule.
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PhD candidate, Cryo-electron microscopy of mycobacterial infection
Wiskunde en Natuurwetenschappen, Instituut Biologie Leiden (IBL)
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Cryo-electron microscopy scientist (1.0 fte)
Wiskunde en Natuurwetenschappen
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Naar een Nieuwe Visie op Publiek Leiderschap
In 2021 communiceerde Bureau Algemene Bestuursdienst (Bureau ABD) het plan om hun visie op publiek leiderschap te vernieuwen. Om deze nieuwe visie nauw aan te laten sluiten bij de behoeften en uitdagingen uit de praktijk, én wetenschappelijk te onderbouwen is het Leiden Leadership Centre (LLC, Universiteit…
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Zenuwsignalen doen de wave: nieuw wiskundig model
Elektrische signalen bewegen als een golf door onze zenuwbanen. De wiskundige modellen voor deze bewegingen konden nog niet alle biologische eigenschappen van de zenuwbanen goed beschrijven. Promovendus Willem Schouten-Straatman bracht hier verandering in door de bestaande modellen te verbeteren. 'Ik…