Now showing items 1469-1488 of 2669

    • MRI-based automatic segmentation of rectal cancer using 2D U-Net on two independent cohorts 

      Knuth, Franziska Hanna; Adde, Ingvild Askim; Huynh, Bao Ngoc; Grøndahl, Aurora Rosvoll; Winter, René; Negård, Anne; Holmedal, Stein Harald; Meltzer, Sebastian; Ree, Anne Hansen; Flatmark, Kjersti; Dueland, Svein; Hole, Knut Håkon; Seierstad, Therese; Redalen, Kathrine; Futsæther, Cecilia Marie (Peer reviewed; Journal article, 2021)
      Background Tumor delineation is time- and labor-intensive and prone to inter- and intraobserver variations. Magnetic resonance imaging (MRI) provides good soft tissue contrast, and functional MRI captures tissue properties ...
    • MRI-based automatic segmentation of rectal cancer using 2D U-Net on two independent cohorts 

      Knuth, Franziska Hanna; Adde, Ingvild Askim; Huynh, Bao Ngoc; Groendahl, Aurora Rosvoll; Winter, René Mario; Negård, Anne; Holmedal, Stein Harald; Meltzer, Sebastian; Ree, Anne Hansen; Flatmark, Kjersti; Dueland, Svein; Hole, Knut Håkon; Seierstad, Therese; Redalen, Kathrine Røe; Futsaether, Cecilie Maria (Peer reviewed; Journal article, 2022)
      Background: Tumor delineation is time- and labor-intensive and prone to inter- and intraobserver variations. Magnetic resonance imaging (MRI) provides good soft tissue contrast, and functional MRI captures tissue properties ...
    • MRI-Based Radiomics Analysis for Predicting Treatment Outcome in Rectal Cancer 

      Langan, Aase Mellingen (Master thesis, 2020)
      Med et ønske om å bidra til forskningen om hvorvidt radiomics-parametre fra MR-bilder kan være biomarkører for endetarmskreft, hadde denne oppgaven tre hovedmål. For det første, å etablere og optimalisere binære ...
    • Mueller Matrix Ellipsometric Imaging: Instrumentation and Applications 

      Aas, Lars Martin Sandvik (Master thesis, 2009)
    • Mueller Matrix Imaging and Spectroscopy 

      Aas, Lars Martin Sandvik (Doktoravhandlinger ved NTNU, 1503-8181; 2013:323, Doctoral thesis, 2013)
      This thesis presents experimental work on the following topics in Mueller matrix polarimetry; instrument design and implementation, and selected applications of liquid crystal based Mueller matrix polarimeters (MMP) and ...
    • Mueller matrix measurements and modeling pertaining to Spectralon white reflectance standards 

      Svensen, Øyvind; Kildemo, Morten; Jerome, Maria; Stamnes, Jakob J.; Frette, Øyvind (Journal article; Peer reviewed, 2012)
      The full Mueller matrix for a Spectralon white reflectance standard was measured in the incidence plane, to obtain the polarization state of the scattered light for different angles of illumination. The experimental setup ...
    • Mueller matrix three-dimensional directional imaging of collagen fibers 

      Ellingsen, Pål Gunnar; Aas, Lars Martin Sandvik; Hagen, Vegard Stenhjem; Kumar, Rajesh; Lilledahl, Magnus Borstad; Kildemo, Morten (Journal article; Peer reviewed, 2014)
      A method for measuring three-dimensional (3-D) direction images of collagen fibers in biological tissue is presented. Images of the 3-D directions are derived from the measured transmission Mueller matrix images (MMIs), ...
    • Multi-Instrument Investigation of Spectral Width in the Polar Ionosphere 

      Luque, Lidia (Master thesis, 2020)
      Spektralbredden er en av parameterne målt av Super Dual Auroral Radar Network (SuperDARN) radarer. På tross av at de er mye brukt i litteraturen, er det foreløpig ikke enighet om årsaken til spektralbreddevariasjonene sett ...
    • Multi-Kilowatt Peak Power Nanosecond Er-Doped Fiber Laser 

      Dvoyrin, Vladislav; Klimentov, Dmitry; Klepsvik, JO; Mazaeva, IV; Sorokina, Irina T (Journal article, 2016)
      We report a two-stage diode-pumped Er-doped fiber amplifier operating at the wavelength of 1550 nm at the repetition rate of 10-100 kHz with an average output power of up to 10 W. The first stage comprising Er-doped fiber ...
    • Multi-material Joining of an Aluminum Alloy to Copper, Steel, and Titanium by Hybrid Metal Extrusion & Bonding 

      Bergh, Tina; Fyhn, Hursanay; Sandnes, Lise; Blindheim, Jørgen; Grong, Øystein; Holmestad, Randi; Berto, Filippo; Vullum, Per Erik (Journal article; Peer reviewed, 2023)
      Hybrid metal extrusion & bonding (HYB) is a solid-state welding method where an aluminum (Al) filler wire is continuously extruded into the weld groove between the metal parts to be joined by the use of a rotating steel ...
    • Multi-Messenger Modelling of Active Galactic Nuclei 

      Sevle, Per Arne (Master thesis, 2023)
      Aktive galaktiske kjerner (AGN) er de kraftigste, kontinuerlige kildene i Universet. For å oppnå en dypere forståelse for disse intrikate objektene hele deres multi-messenger emissivitet utforskes. Denne avhandlingen ...
    • Multi-messenger modelling of FR0 galaxies 

      Paulsen, Therese (Master thesis, 2022)
      FR0-galakser er en nyoppdaget klasse av radiogalakser, som, i motsetning til FRI- og FRII-klassene, kan karakteriseres av deres begrensede jetstruktur og at de er tallrike i det lokale universet. Målet med denne masteroppgaven ...
    • Multi-modal characterization of vasculature and nanoparticle accumulation in five tumor xenograft models 

      Sulheim, Einar; Kim, Jana; van Wamel, Annemieke; Kim, Eugene; Snipstad, Sofie; Vidic, Igor; Grimstad, Ingeborg; Widerøe, Marius; Torp, Sverre Helge; Lundgren, Steinar; Waxman, David J.; Davies, Catharina de Lange (Journal article; Peer reviewed, 2018)
      Preclinical research has demonstrated that nanoparticles and macromolecules can accumulate in solid tumors due to the enhanced permeability and retention effect. However, drug loaded nanoparticles often fail to show increased ...
    • Multi-Orbital Tight-Binding Models for Spin-Orbit Coupled Phosphorene and Mg2X (X=Si, Ge, Sn, Pb) Compounds Subject to Strain 

      Rothmund, Erling velten (Master thesis, 2022)
      Tight-binding (TB) modeller for spinn-bane koblet ett-lags svart fosfor og Mg2X forbindelser (X=Si, Ge, Sn, Pb) utvikles og tilpasses den elektroniske båndstrukturen forutsett av density-functional theory (DFT). Målet er ...
    • Multi-parametric Diffusion Weighted Magnetic Resonance Imaging and Analysis in Breast Cancer 

      Vidić, Igor (Doctoral theses at NTNU;2019:203, Doctoral thesis, 2019)
      Accurate noninvasive diagnostic and subtyping procedures for cancer are very important. Diffusion-weighted imaging (DWI) reflects the microscopic cellular environment and is sensitive to tumor characteristics such as cell ...
    • Multi-parametric diffusion-weighted magnetic resonance imaging and microstructural tissue properties in breast cancer 

      Egnell, Liv Elisabet (Doctoral theses at NTNU;2021:208, Doctoral thesis, 2021)
      Breast cancer is the most common cancer in women worldwide. Although breast cancer survival has improved in recent years, it remains a leading cause of cancer death in the female population worldwide. Breast cancer prognosis ...
    • Multi-scale Modelling of Precipitation in Alloys 

      Kleiven, David (Doctoral theses at NTNU;2022:37, Doctoral thesis, 2022)
      Numerical modelling is becoming an increasingly important tool when developing new materials. However, material properties depend on physical phenomena spanning across a wide range of length and time scales. Therefore, it ...
    • Multi-Target Stereotactic Brain Radiation Therapy 

      Skarholt, Ingrid (Master thesis, 2018)
      Metastasis of the brain is one of the most common and severe neurological complications of cancer. Stereotactic radiation therapy (SRT) characterized by a high dose of radiation, delivered in a single or few fractions, ...
    • Multi-timescale microscopy methods for the characterization of fluorescently-labeled microbubbles for ultrasound-triggered drug release 

      Nawijn, Charlotte; Segers, Tim; Lajoinie, Guillaume; Mørch, Ýrr Asbjørg; Berg, Sigrid; Snipstad, Sofie; Davies, Catharina de Lange; Versluis, Michel (Peer reviewed; Journal article, 2021)
      Microbubble contrast agents hold great promise for drug delivery applications with ultrasound. Encapsulating drugs in nanoparticles reduces systemic toxicity and increases circulation time of the drugs. In a novel approach ...
    • Multiband strong-coupling superconductors with spontaneously broken time-reversal symmetry 

      Aase, Niels Henrik; Mæland, Kristian; Sudbø, Asle (Peer reviewed; Journal article, 2023)
      We study superconducting three-band systems within strong-coupling Eliashberg theory. In particular, we search for phase-frustrated superconducting systems with spontaneous time-reversal symmetry breaking (TRSB) states. ...