Blar i NTNU Open på tittel

Viser treff 195-214 av 100451

    • 3D reconstruction of gastrointestinal regions using shape-from-focus 

      Ahmad, Bilal; Farup, Ivar; Floor, Pål Anders (Peer reviewed; Journal article, 2023)
      3D shape reconstruction from images is an active topic in computer vision. Shape-from-Focus (SFF) is an important approach which requires image stack in a focus controlled manner to infer the 3D shape. In this article, 3D ...

    • 3D Reconstruction of Gastrointestinal Regions Using Single-View Methods 

      Ahmad, Bilal; Floor, Pål Anders; Farup, Ivar; Hovde, Øistein (Peer reviewed; Journal article, 2023)
      Capsule endoscopy is about to become an alternative to traditional colonoscopy. One uses a wireless camera to visualize the gastrointestinal (GI) tract. A 3D model based on image sequences obtained from wireless capsule ...

    • 3D Reconstruction of GI Regions from Single Images 

      Ahmad, Bilal; Floor, Pål Anders; Farup, Ivar; Kresović, Milan (Peer reviewed; Journal article, 2022)
      3D shape reconstruction from images is one of the problem under investigation in the field of computer vision. Shape-from-shading (SfS) is an important approach which requires the reflectance properties of surface and light ...

    • 3D Reconstruction of the Human Colon from Capsule Endoscope Video 

      Floor, Pål Anders; Farup, Ivar; Pedersen, Marius (Peer reviewed; Journal article, 2022)
      In this paper we investigate the possibility of constructing 3D models of longer sections of the human colon using image sequences obtained from wireless capsule endoscope (WCE) video to provide enhanced viewing for ...

    • 3D Reuse in PLM for Conceptual Ship Design 

      Tornes, Bjørn (Master thesis, 2017)
      Today 3D CAD tools have become more and more used in design processes, allowing amongst other better visualization of product, computer analysis of design, etc. Even so, in ship design, 3d-design is still combined with 2D ...

    • 3D robot vision using multiple cameras 

      Raknes, Sindre (Master thesis, 2016)
      3D computer vision has in recent years become more popular in regards to robotic vision systems. This thesis looks into the possibility of using a multiple 3D camera setup for robotic vision. The approach is to reconstruct ...

    • 3D Scanning of Corroded Mooring Chain 

      Hoel, Alexander (Master thesis, 2016)
      This thesis is concerned with mooring line failure and 3D representations of corroded chain surfaces. Equipment for making such representations have been evaluated through a feasibility study carried out at NTNU. An ATOS ...

    • 3D Segmentation of the Left Ventricle in Echocardiography Based on Deep Learning 

      Steinsland, Erik Nikolai (Master thesis, 2020)
      3D ekkokardiografi har blitt et nyttig verktøy for nøyaktig segmentering og volummåling av venstre ventrikkel, da ultralyd anses som trygt og tilgjengelig sammenlignet med andre medisinske avbildningsmetoder. Manuell sporing ...

    • 3D seismic analysis of salt tectonics and depositional systems in the Kwanza Basin (offshore Angola): from basin dynamics to geohazard analysis 

      Garcia, Simão Diavita (Master thesis, 2012)
      This thesis uses the combination of 2D and 3D seismic data and seismic attributes to investigate and understand the interaction between the salt tectonics and depositional systems in the Kwanza Basin (offshore Angola-block ...

    • 3D Seismic Interpretation and Evaluation of Survey Area SG9803, Caurus Prospect, SW Barents Sea 

      Bakhtiyev, Rashad; Kerimov, Adilkhan (Master thesis, 2013)
      3D seismic survey SG9803 was carried out in 1998 in the south-western Barents Sea. On the basis of 3D seismic data a wildcat well 7222/11-1 in platform area of Loppa High was drilled in 2008. This prospect is called Caurus. ...

    • 3D seismic interpretation in a deep-marine depositional environment from Lower Congo Basin offshore Angola 

      Bartolomeu, Ines Gomes (Master thesis, 2013)
      3D seismic data from the offshore Congo Basin, Angola has been performed in order to do geological interpretation of deep-marine deposits and understand the depositional system in the basin. Architectural elements, such ...

    • 3D seismic interpretation in a deep-water depositional environment from Lower Congo Basin 

      Caetano, Esperanca Luisa (Master thesis, 2013)
      This Master of Science (M.Sc.) thesis focuses on the detailed characterization and interpretation of deep-water depositional system within Lower Congo Basin, offshore Angola. The application of seismic geomorphology has ...

    • 3D seismic interpretation of the depositional morphology of the Middle to Late Triassic fluvial system in Eastern Hammerfest Basin, Barents Sea 

      Hidayat, Dicky Haris; Omosanya, Kamaldeen Olakumle; Johansen, Ståle Emil (Journal article; Peer reviewed, 2015)
      Integration of seismic, well and outcrop analog data provided realistic definition of the depositional morphology of the Snadd Formation in the Eastern Hammerfest Basin, Barents Sea. In this work the morphology of the ...

    • 3D Seismic Modelling of Thin Intrusions 

      Karlsen, Stian (Master thesis, 2014)
      This study presents seismic modeling of two intrusions, modeled as boreholes.The modeling was done over homogenous one-layered models in both 2D and 3D,and a two-layered model in 3D. The goal of the study was to see if ...

    • 3D Shape Reconstruction from Capsule Endoscopy Video 

      Ahmad, Bilal (Doctoral theses at NTNU;2024:125, Doctoral thesis, 2024)
      Wireless Capsule Endoscopy (WCE) has revolutionized the field of gastroenterology by providing an alternative to traditional endoscopy, as it is less invasive and requires no sedation. It is a patient-friendly procedure ...

    • 3D Simulering av pumpeturbinkarakteristikker 

      Olimstad, Grunde (Master thesis, 2009)
      I oppgaven har karakteristikkene for en pumpeturbin blitt simulert. Verktøyet for simuleringene har vært OpenFOAM. Griddene til simuleringene ble laget i Gambit og ble importert til OpenFOAM via fluent gridformat. Geometrien ...

    • 3D Speckle-Tracking: Sub-voxel Techniques and Tracking Accuracy 

      Bostad, Ingvild Haraldsen (Master thesis, 2006)
      Speckle tracking is a method that is useful for examining myocardial function. The method allows the cardiologist examine the left ventricular wall function when there are indications of a myocardial infarction. The method ...

    • 3D TEM characterization of silver implanted silicon for intermediate band solar cells 

      Lysne, Hogne (Master thesis, 2017)
      As the need for renewable and sustainable energy sources are growing solar cells are turning into one of the most affordable and widely adopted solutions for renewable electricity production. This is driven by a steady ...

    • 3D ultrasound and navigation – Applications in laparoscopic surgery 

      Solberg, Ole Vegard (Doktoravhandlinger ved NTNU, 1503-8181; 2011:52, Doctoral thesis, 2011)
      The use of intraoperative navigation during surgery is becoming a valuable tool in several clinical applications. Often only preoperative images are used during navigation and changes that occur during surgery are hence ...

    • 3D ultrasound based neuronavigation in neurosurgery: A Clinical Evaluation 

      Rygh, Ola Morten (Doktoravhandlinger ved NTNU, 1503-8181; 2008:295, Doctoral thesis, 2008)
        Background and objectives: Intraoperative ultrasound has been used for decades in neurosurgery for localization and characterization of pathology, particularly tumors. Furthermore, with Doppler imaging ...