Publications related to Radon | EPFL Graph Search

An Algorithmic Framework for Mumford-Shah Regularization of Inverse Problems in Imaging

The Mumford-Shah model is a very powerful variational approach for edge preserving regularization of image reconstruction processes. However, it is algorithmically challenging because one has to deal with a non-smooth and non-convex functional. In this pap ...

Iop Publishing Ltd2015

Joint image reconstruction and segmentation using the Potts model

Michaël Unser, Martin Kurt Storath

We propose a new algorithmic approach to the non-smooth and non-convex Potts problem (also called piecewise-constant Mumford-Shah problem) for inverse imaging problems. We derive a suitable splitting into specific subproblems that can all be solved efficie ...

Institute of Physics2015

History and significance of the Morton number in hydraulic engineering

Michael Pfister

Two-phase air-water flows occur frequently in hydraulic engineering. Their characteristics, particularly the depth-averaged air concentrations, are of relevance for design. These must be known, for instance, to provide an adequate chute freeboard, or to av ...

Asce-Amer Soc Civil Engineers2014

Microfabricated electrospray emitter arrays with integrated extractor and accelerator electrodes for the propulsion of small spacecraft

Herbert Shea, Caglar Ataman, Simon Dandavino, Daniel George Courtney, Subha Chakraborty

Microfabricated electrospray thrusters could revolutionize the spacecraft industry by providing efficient propulsion capabilities to micro and nano satellites (1–100 kg). We present the modeling, design, fabrication and characterization of a new generation ...

Iop Publishing Ltd2014

Accurate characterization of multi-resonant reflectarray cells by artificial neural networks

Juan Ramon Mosig, Pedro Robustillo Bayon

This paper describes the accurate characterization of the reflection coefficients of a multilayered reflectarray element by means of artificial neural networks. The procedure has been tested with different RA elements related to actual specifications. Up t ...

2014

Transfer and State Changes of Fluorine at Polytetrafluoroethylene/Titania Boundaries by Mechanical Stressing and Thermal Annealing

Vincent Laporte, Danielle Gomes Passos Silva, Di Wang

Fluorine in polytetrafluoroethylene (PTFE) changes its states and transfers to titania by comilling and annealing of a titania-PTFE mixture. XPS, F-19 MAS NMR, FT-IR. Raman spectra, TEM and EDX analyses consistently indicated the oxidative decomposition of ...

Amer Chemical Soc2013

Online elemental analysis of process gases with ICP-OES: A case study on waste wood combustion

Christian Ludwig, Marco Wellinger

A mobile sampling and measurement system for the analysis of gaseous and liquid samples in the field was developed. An inductively coupled plasma optical emission spectrometer (ICP-OES), which is built into a van, was used as detector. The analytical syste ...

Elsevier2012

Electrical Properties of Nb-, Ga-, and Y-Substituted Nanocrystalline Anatase TiO2 Prepared by Hydrothermal Synthesis

Michael Graetzel, Aravind Kumar Chandiran

Nanocrystalline anatase titanium dioxide powders were produced by a hydrothermal synthesis route in pure form and substituted with trivalent Ga3+ and Y3+ or pentavalent Nb5+ with the intention of creating acceptor or donor states, respectively. The electri ...

Wiley-Blackwell2012

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Radon

Inhalation intake fraction of particulate matter from localized indoor emissions

An Algorithmic Framework for Mumford-Shah Regularization of Inverse Problems in Imaging

Joint image reconstruction and segmentation using the Potts model

History and significance of the Morton number in hydraulic engineering

Microfabricated electrospray emitter arrays with integrated extractor and accelerator electrodes for the propulsion of small spacecraft

Accurate characterization of multi-resonant reflectarray cells by artificial neural networks

Transfer and State Changes of Fluorine at Polytetrafluoroethylene/Titania Boundaries by Mechanical Stressing and Thermal Annealing

Online elemental analysis of process gases with ICP-OES: A case study on waste wood combustion

Development and Application of Devices for Online Trace Element Analysis of Thermal Process Gases from Woody Feedstocks

Electrical Properties of Nb-, Ga-, and Y-Substituted Nanocrystalline Anatase TiO2 Prepared by Hydrothermal Synthesis

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Development and Application of Devices for Online Trace Element Analysis of Thermal Process Gases from Woody Feedstocks

Accurate characterization of multi-resonant reflectarray cells by artificial neural networks

History and significance of the Morton number in hydraulic engineering

Online elemental analysis of process gases with ICP-OES: A case study on waste wood combustion

Microfabricated electrospray emitter arrays with integrated extractor and accelerator electrodes for the propulsion of small spacecraft

Joint image reconstruction and segmentation using the Potts model

Inhalation intake fraction of particulate matter from localized indoor emissions

An Algorithmic Framework for Mumford-Shah Regularization of Inverse Problems in Imaging

Transfer and State Changes of Fluorine at Polytetrafluoroethylene/Titania Boundaries by Mechanical Stressing and Thermal Annealing

Electrical Properties of Nb-, Ga-, and Y-Substituted Nanocrystalline Anatase TiO2 Prepared by Hydrothermal Synthesis