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Norsk

Håkon Olav Leira

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Håkon Olav Leira

Associate Professor
Faculty of Medicine and Health Sciences

hakon.o.leira@ntnu.no
AHL-senteret, Øya
Publications Outreach

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2025

  • Ervik, Øyvind; Rødde, Mia; Hofstad, Erlend Fagertun; Tveten, Ingrid; Langø, Thomas; Leira, Håkon Olav. (2025) A New Deep Learning-Based Method for Automated Identification of Thoracic Lymph Node Stations in Endobronchial Ultrasound (EBUS): A Proof-of-Concept Study. Journal of Imaging
    Academic article

2024

  • Kildahl-Andersen, Arne; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Sorger, Hanne; Amundsen, Tore; Langø, Thomas. (2024) Navigated ultrasound bronchoscopy with integrated positron emission tomography—A human feasibility study. PLOS ONE
    Academic article
  • Hansen, Rune; Ervik, Øyvind; Amini, Naseh; Solberg, Stian; Berg, Sigrid; Ayyalasomayajula, Venkat Siva Radha Krishna. (2024) Pulse-Echo Ultrasound for Quantitative Measurements of Two Uncorrelated Elastic Parameters. Ultrasound in Medicine and Biology
    Academic article
  • Ervik, Øyvind; Tveten, Ingrid; Hofstad, Erlend Fagertun; Langø, Thomas; Leira, Håkon Olav; Amundsen, Tore. (2024) Automatic Segmentation of Mediastinal Lymph Nodes and Blood Vessels in Endobronchial Ultrasound (EBUS) Images Using Deep Learning. Journal of Imaging
    Academic article
  • Gouliaev, Anja; Berg, Janna; bibi, rana; Arshad, Arman; Leira, Håkon Olav; Neumann, Kirill. (2024) Multi-disciplinary team meetings for lung cancer in Norway and Denmark: results from national surveys and observations with MDT-MODe. Acta Oncologica
    Academic article
  • Brekken, Reidar; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Tangen, Geir Arne; Leira, Håkon Olav; Gruionu, Lucian. (2024) Accuracy of instrument tip position using fiber optic shape sensing for navigated bronchoscopy. Medical Engineering and Physics
    Academic article
  • Støverud, Karen-Helene; Bouget, David Nicolas Jean-Marie; Pedersen, Andre; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2024) AeroPath: An airway segmentation benchmark dataset with challenging pathology and baseline method. PLOS ONE
    Academic article

2023

  • Kildahl-Andersen, Arne; Hofstad, Erlend Fagertun; Sorger, Hanne; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2023) Bronchoscopy using a head-mounted mixed reality device—a phantom study and a first in-patient user experience. Frontiers in Virtual Reality
    Academic article

2022

  • Kildahl-Andersen, Arne; Hofstad, Erlend Fagertun; Peters, Karlijn; Van Beek, Gregory; Sorger, Hanne; Amundsen, Tore. (2022) A novel clip-on device for electromagnetic tracking in endobronchial ultrasound bronchoscopy. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Bouget, David Nicolas Jean-Mar; Pedersen, André; Vanel, Johanna; Leira, Håkon Olav; Langø, Thomas. (2022) Mediastinal lymph nodes segmentation using 3D convolutional neural network ensembles and anatomical priors guiding. Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization
    Academic article

2019

  • Hinds, Stephen Michael; Jaeger, Herman Alexander; Burke, Richard; O'Sullivan, Brodie; Keane, Joseph; Trauzettel, Fabian. (2019) An open electromagnetic tracking framework applied to targeted liver tumour ablation. International Journal of Computer Assisted Radiology and Surgery
    Academic article
  • Bakeng, Janne Beate Lervik; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Eiesland, Jon Wostryck; Tangen, Geir Arne; Amundsen, Tore. (2019) Using the CustusX toolkit to create an image guided bronchoscopy application: Fraxinus. PLOS ONE
    Academic article
  • Bouget, David Nicolas Jean-Marie; Jørgensen, Arve; Kiss, Gabriel; Leira, Håkon Olav; Langø, Thomas. (2019) Semantic segmentation and detection of mediastinal lymph nodes and anatomical structures in CT data for lung cancer staging. International Journal of Computer Assisted Radiology and Surgery
    Academic article

2018

  • Jaeger, Herman Alexander; Trauzettel, Fabian; Nardelli, Pietro; Daverieux, Federico; Hofstad, Erlend Fagertun; Leira, Håkon Olav. (2018) Peripheral tumour targeting using open-source virtual bronchoscopy with electromagnetic tracking: a multi-user pre-clinical study. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Kennedy, Marcus P; Jaeger, Herman Alexander; Trauzettel, Fabian; Nardelli, Pietro; Davrieux, Carlos Federico; Hofstad, Erlend Fagertun. (2018) ENDOBRONCHIAL TUMOR TARGETING USING A NOVEL ALIGNMENT OF AN OPEN-SOURCE VIRTUAL BRONCHOSCOPY PLATFORM WITH ELECTROMAGNETIC TRACKING: A MULTI-USER PRECLINICAL STUDY. Chest
    Abstract
  • Ciobirca, C; Langø, Thomas; Gruionu, G; Leira, Håkon Olav; Gruionu, Lucian; Pastrama, SD. (2018) A new procedure for automatic path planning in bronchoscopy. Materials Today: Proceedings
    Academic article
  • Reynisson, Pall Jens; Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Hatlen, Peter; Amundsen, Tore. (2018) Pulmonologist evaluation on new CT visualization for guidance to lung lesions during bronchoscopy. MITAT. Minimally invasive therapy & allied technologies
    Academic article

2017

  • Reynisson, Pall Jens; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Askeland, Christian; Langø, Thomas; Sorger, Hanne. (2017) A new visualization method for navigated bronchoscopy. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Hofstad, Erlend Fagertun; Sorger, Hanne; Bakeng, Janne Beate Lervik; Gruionu, Lucian; Leira, Håkon Olav; Amundsen, Tore. (2017) Intraoperative localized constrained registration in navigated bronchoscopy. Medical Physics
    Academic article
  • Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Bakeng, Janne Beate Lervik; Leira, Håkon Olav. (2017) A multimodal image guiding system for Navigated Ultrasound Bronchoscopy (EBUS): A human feasibility study. PLOS ONE
    Academic article
  • Ciobirca, Catalin; Gruionu, G; Langø, Thomas; Leira, Håkon Olav; Gruionu, LG; Amundsen, Tore. (2017) An algorithm to obtain a theoretical model of the bronchial tree. Materials Today: Proceedings
    Academic article

2016

  • Ciobirca, Catalin; Popa, Teodoru; Gruionu, Gabriel; Langø, Thomas; Leira, Håkon Olav; Pastrama, SD. (2016) Virtual bronchoscopy method based on marching cubes and an efficient collision detection and resolution algorithm. Ciencia e Tecnologia dos Materiais
    Academic article
  • Amundsen, Tore; Sørhaug, Sveinung; Leira, Håkon Olav; Tyvold, Stig Sverre; Langø, Thomas; Hammer, Tommy Arild. (2016) A new removable airway stent. European Clinical Respiratory Journal
    Academic article
  • Sørhaug, Sveinung; Hjelde, Harald Harris; Hatlen, Peter; Leira, Håkon Olav; Salarinejad, Majid; Nesvik, Bjarte. (2016) Learning endobronchial ultrasound transbronchial needle aspiration – a 6-year experience at a single institution. Clinical Respiratory Journal
    Academic article

2015

  • Askeland, Christian; Solberg, Ole Vegard; Bakeng, Janne Beate Lervik; Reinertsen, Ingerid; Tangen, Geir Arne; Hofstad, Erlend Fagertun. (2015) CustusX: an open-source research platform for image-guided therapy. International Journal of Computer Assisted Radiology and Surgery
    Academic article
  • Hatlen, Peter; Amundsen, Tore; Sørhaug, Sveinung; Leira, Håkon Olav; Müller, Tomm Brostrup; Mahesparan, Rupavathana. (2015) Aggressive Treatment of Brain Metastasis Increases Survival in Patients with Lung Cancer. Journal of Pulmonary and Respiratory Medicine
    Academic article
  • Reynisson, Pall Jens; Scali, Marta; Smistad, Erik; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Lindseth, Frank. (2015) Airway segmentation and centerline extraction from thoracic CT - Comparison of a new method to state of the art commercialized methods. PLOS ONE
    Academic article
  • Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2015) A novel platform for electromagnetic navigated ultrasound bronchoscopy (EBUS). International Journal of Computer Assisted Radiology and Surgery
    Academic article
  • Leira, Håkon Olav. (2015) E-sigaretter – et viktig virkemiddel mot røykeskader. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Reader opinion piece

2014

  • Leira, Håkon Olav. (2014) Mye lungekreft - lite forskning :. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Feature article
  • Reynisson, Pall Jens; Leira, Håkon Olav; Hernes, Toril A. Nagelhus; Hofstad, Erlend Fagertun; Scali, Marta; Sorger, Hanne. (2014) Navigated bronchoscopy : A technical review. Journal of Bronchology & Interventional Pulmonology
    Academic literature review
  • Hofstad, Erlend Fagertun; Sorger, Hanne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2014) Automatic registration of CT images to patient during the initial phase of bronchoscopy: A clinical pilot study. Medical Physics
    Academic article

2013

  • Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Sorger, Hanne; Amundsen, Tore. (2013) Bronchoscope-induced Displacement of Lung Targets: First In Vivo Demonstration of Effect From Wedging Maneuver in Navigated Bronchoscopy. Journal of Bronchology & Interventional Pulmonology
    Academic article

2012

  • Bø, Lars Eirik; Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas. (2012) Accuracy of electromagnetic tracking with a prototype field generator in an interventional OR setting. Medical Physics
    Academic article
  • Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Langø, Thomas; Amundsen, Tore. (2012) A novel in vivo method for lung segment movement tracking. Physics in Medicine and Biology
    Academic article
  • Leira, Håkon Olav. (2012) Development of an image guidance research system for bronchoscopy. NTNU-trykk
    Doctoral dissertation

2011

  • Leira, Håkon Olav; Amundsen, Tore; Tangen, Geir Arne; Bø, Lars Eirik; Manstad-Hulaas, Frode; Langø, Thomas. (2011) A novel research platform for electromagnetic navigated bronchoscopy using cone beam CT imaging and an animal model. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Leira, Håkon Olav; Hofstad, Erlend Fagertun; Bø, Lars Eirik; Langø, Thomas; Amundsen, Tore. (2011) Navigated Bronchoscopy With Electromagnetic Tracking — Cone Beam Computed Tomography Influence on Tracking and Registration Accuracy. Journal of Bronchology & Interventional Pulmonology
    Academic article
  • Hofstad, Erlend Fagertun; Bø, Lars Eirik; Tangen, Geir Arne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2011) Accuracy of electromagnetic tracking in navigated bronchoscopy with a prototype field generator in an interventional or setting. Journal of Thoracic Oncology
    Abstract
  • Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) The influence on lung segment and tumor movement by bronchoscopic instruments – impact on navigated bronchoscopy. Journal of Thoracic Oncology
    Abstract
  • Leira, Håkon Olav; Lang, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) A new method for in-vivo lung movement tracking - for diagnosis and therapy in lung medicine. Journal of Thoracic Oncology
    Abstract

2005

  • Kaspersen, Jon Harald; Aasland, Jenny; Leira, HO; Ødegard, Asbjørn; Nagelhus, Bjørn; Storset, G. (2005) Three-dimensional teleradiology for surveillance following endovascular aortic aneurysm repair: A feasibility study. Journal of Endovascular Therapy
    Academic article
  • Pedersen, Marit; Aasland, Jenny Kristin; Kaspersen, Jon Harald; Leira, Håkon Olav; Myhre, Hans Olav. (2005) Teleradiologisk oppfolging av pasienter behandlet med stentgraft i aorta. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Academic article

Journal publications

  • Ervik, Øyvind; Rødde, Mia; Hofstad, Erlend Fagertun; Tveten, Ingrid; Langø, Thomas; Leira, Håkon Olav. (2025) A New Deep Learning-Based Method for Automated Identification of Thoracic Lymph Node Stations in Endobronchial Ultrasound (EBUS): A Proof-of-Concept Study. Journal of Imaging
    Academic article
  • Kildahl-Andersen, Arne; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Sorger, Hanne; Amundsen, Tore; Langø, Thomas. (2024) Navigated ultrasound bronchoscopy with integrated positron emission tomography—A human feasibility study. PLOS ONE
    Academic article
  • Hansen, Rune; Ervik, Øyvind; Amini, Naseh; Solberg, Stian; Berg, Sigrid; Ayyalasomayajula, Venkat Siva Radha Krishna. (2024) Pulse-Echo Ultrasound for Quantitative Measurements of Two Uncorrelated Elastic Parameters. Ultrasound in Medicine and Biology
    Academic article
  • Ervik, Øyvind; Tveten, Ingrid; Hofstad, Erlend Fagertun; Langø, Thomas; Leira, Håkon Olav; Amundsen, Tore. (2024) Automatic Segmentation of Mediastinal Lymph Nodes and Blood Vessels in Endobronchial Ultrasound (EBUS) Images Using Deep Learning. Journal of Imaging
    Academic article
  • Gouliaev, Anja; Berg, Janna; bibi, rana; Arshad, Arman; Leira, Håkon Olav; Neumann, Kirill. (2024) Multi-disciplinary team meetings for lung cancer in Norway and Denmark: results from national surveys and observations with MDT-MODe. Acta Oncologica
    Academic article
  • Brekken, Reidar; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Tangen, Geir Arne; Leira, Håkon Olav; Gruionu, Lucian. (2024) Accuracy of instrument tip position using fiber optic shape sensing for navigated bronchoscopy. Medical Engineering and Physics
    Academic article
  • Støverud, Karen-Helene; Bouget, David Nicolas Jean-Marie; Pedersen, Andre; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2024) AeroPath: An airway segmentation benchmark dataset with challenging pathology and baseline method. PLOS ONE
    Academic article
  • Kildahl-Andersen, Arne; Hofstad, Erlend Fagertun; Sorger, Hanne; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2023) Bronchoscopy using a head-mounted mixed reality device—a phantom study and a first in-patient user experience. Frontiers in Virtual Reality
    Academic article
  • Kildahl-Andersen, Arne; Hofstad, Erlend Fagertun; Peters, Karlijn; Van Beek, Gregory; Sorger, Hanne; Amundsen, Tore. (2022) A novel clip-on device for electromagnetic tracking in endobronchial ultrasound bronchoscopy. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Bouget, David Nicolas Jean-Mar; Pedersen, André; Vanel, Johanna; Leira, Håkon Olav; Langø, Thomas. (2022) Mediastinal lymph nodes segmentation using 3D convolutional neural network ensembles and anatomical priors guiding. Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization
    Academic article
  • Hinds, Stephen Michael; Jaeger, Herman Alexander; Burke, Richard; O'Sullivan, Brodie; Keane, Joseph; Trauzettel, Fabian. (2019) An open electromagnetic tracking framework applied to targeted liver tumour ablation. International Journal of Computer Assisted Radiology and Surgery
    Academic article
  • Bakeng, Janne Beate Lervik; Hofstad, Erlend Fagertun; Solberg, Ole Vegard; Eiesland, Jon Wostryck; Tangen, Geir Arne; Amundsen, Tore. (2019) Using the CustusX toolkit to create an image guided bronchoscopy application: Fraxinus. PLOS ONE
    Academic article
  • Bouget, David Nicolas Jean-Marie; Jørgensen, Arve; Kiss, Gabriel; Leira, Håkon Olav; Langø, Thomas. (2019) Semantic segmentation and detection of mediastinal lymph nodes and anatomical structures in CT data for lung cancer staging. International Journal of Computer Assisted Radiology and Surgery
    Academic article
  • Jaeger, Herman Alexander; Trauzettel, Fabian; Nardelli, Pietro; Daverieux, Federico; Hofstad, Erlend Fagertun; Leira, Håkon Olav. (2018) Peripheral tumour targeting using open-source virtual bronchoscopy with electromagnetic tracking: a multi-user pre-clinical study. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Kennedy, Marcus P; Jaeger, Herman Alexander; Trauzettel, Fabian; Nardelli, Pietro; Davrieux, Carlos Federico; Hofstad, Erlend Fagertun. (2018) ENDOBRONCHIAL TUMOR TARGETING USING A NOVEL ALIGNMENT OF AN OPEN-SOURCE VIRTUAL BRONCHOSCOPY PLATFORM WITH ELECTROMAGNETIC TRACKING: A MULTI-USER PRECLINICAL STUDY. Chest
    Abstract
  • Ciobirca, C; Langø, Thomas; Gruionu, G; Leira, Håkon Olav; Gruionu, Lucian; Pastrama, SD. (2018) A new procedure for automatic path planning in bronchoscopy. Materials Today: Proceedings
    Academic article
  • Reynisson, Pall Jens; Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Hatlen, Peter; Amundsen, Tore. (2018) Pulmonologist evaluation on new CT visualization for guidance to lung lesions during bronchoscopy. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Reynisson, Pall Jens; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Askeland, Christian; Langø, Thomas; Sorger, Hanne. (2017) A new visualization method for navigated bronchoscopy. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Hofstad, Erlend Fagertun; Sorger, Hanne; Bakeng, Janne Beate Lervik; Gruionu, Lucian; Leira, Håkon Olav; Amundsen, Tore. (2017) Intraoperative localized constrained registration in navigated bronchoscopy. Medical Physics
    Academic article
  • Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Bakeng, Janne Beate Lervik; Leira, Håkon Olav. (2017) A multimodal image guiding system for Navigated Ultrasound Bronchoscopy (EBUS): A human feasibility study. PLOS ONE
    Academic article
  • Ciobirca, Catalin; Gruionu, G; Langø, Thomas; Leira, Håkon Olav; Gruionu, LG; Amundsen, Tore. (2017) An algorithm to obtain a theoretical model of the bronchial tree. Materials Today: Proceedings
    Academic article
  • Ciobirca, Catalin; Popa, Teodoru; Gruionu, Gabriel; Langø, Thomas; Leira, Håkon Olav; Pastrama, SD. (2016) Virtual bronchoscopy method based on marching cubes and an efficient collision detection and resolution algorithm. Ciencia e Tecnologia dos Materiais
    Academic article
  • Amundsen, Tore; Sørhaug, Sveinung; Leira, Håkon Olav; Tyvold, Stig Sverre; Langø, Thomas; Hammer, Tommy Arild. (2016) A new removable airway stent. European Clinical Respiratory Journal
    Academic article
  • Sørhaug, Sveinung; Hjelde, Harald Harris; Hatlen, Peter; Leira, Håkon Olav; Salarinejad, Majid; Nesvik, Bjarte. (2016) Learning endobronchial ultrasound transbronchial needle aspiration – a 6-year experience at a single institution. Clinical Respiratory Journal
    Academic article
  • Askeland, Christian; Solberg, Ole Vegard; Bakeng, Janne Beate Lervik; Reinertsen, Ingerid; Tangen, Geir Arne; Hofstad, Erlend Fagertun. (2015) CustusX: an open-source research platform for image-guided therapy. International Journal of Computer Assisted Radiology and Surgery
    Academic article
  • Hatlen, Peter; Amundsen, Tore; Sørhaug, Sveinung; Leira, Håkon Olav; Müller, Tomm Brostrup; Mahesparan, Rupavathana. (2015) Aggressive Treatment of Brain Metastasis Increases Survival in Patients with Lung Cancer. Journal of Pulmonary and Respiratory Medicine
    Academic article
  • Reynisson, Pall Jens; Scali, Marta; Smistad, Erik; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Lindseth, Frank. (2015) Airway segmentation and centerline extraction from thoracic CT - Comparison of a new method to state of the art commercialized methods. PLOS ONE
    Academic article
  • Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2015) A novel platform for electromagnetic navigated ultrasound bronchoscopy (EBUS). International Journal of Computer Assisted Radiology and Surgery
    Academic article
  • Leira, Håkon Olav. (2015) E-sigaretter – et viktig virkemiddel mot røykeskader. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Reader opinion piece
  • Leira, Håkon Olav. (2014) Mye lungekreft - lite forskning :. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Feature article
  • Reynisson, Pall Jens; Leira, Håkon Olav; Hernes, Toril A. Nagelhus; Hofstad, Erlend Fagertun; Scali, Marta; Sorger, Hanne. (2014) Navigated bronchoscopy : A technical review. Journal of Bronchology & Interventional Pulmonology
    Academic literature review
  • Hofstad, Erlend Fagertun; Sorger, Hanne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2014) Automatic registration of CT images to patient during the initial phase of bronchoscopy: A clinical pilot study. Medical Physics
    Academic article
  • Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Sorger, Hanne; Amundsen, Tore. (2013) Bronchoscope-induced Displacement of Lung Targets: First In Vivo Demonstration of Effect From Wedging Maneuver in Navigated Bronchoscopy. Journal of Bronchology & Interventional Pulmonology
    Academic article
  • Bø, Lars Eirik; Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas. (2012) Accuracy of electromagnetic tracking with a prototype field generator in an interventional OR setting. Medical Physics
    Academic article
  • Leira, Håkon Olav; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Langø, Thomas; Amundsen, Tore. (2012) A novel in vivo method for lung segment movement tracking. Physics in Medicine and Biology
    Academic article
  • Leira, Håkon Olav; Amundsen, Tore; Tangen, Geir Arne; Bø, Lars Eirik; Manstad-Hulaas, Frode; Langø, Thomas. (2011) A novel research platform for electromagnetic navigated bronchoscopy using cone beam CT imaging and an animal model. MITAT. Minimally invasive therapy & allied technologies
    Academic article
  • Leira, Håkon Olav; Hofstad, Erlend Fagertun; Bø, Lars Eirik; Langø, Thomas; Amundsen, Tore. (2011) Navigated Bronchoscopy With Electromagnetic Tracking — Cone Beam Computed Tomography Influence on Tracking and Registration Accuracy. Journal of Bronchology & Interventional Pulmonology
    Academic article
  • Hofstad, Erlend Fagertun; Bø, Lars Eirik; Tangen, Geir Arne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2011) Accuracy of electromagnetic tracking in navigated bronchoscopy with a prototype field generator in an interventional or setting. Journal of Thoracic Oncology
    Abstract
  • Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) The influence on lung segment and tumor movement by bronchoscopic instruments – impact on navigated bronchoscopy. Journal of Thoracic Oncology
    Abstract
  • Leira, Håkon Olav; Lang, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) A new method for in-vivo lung movement tracking - for diagnosis and therapy in lung medicine. Journal of Thoracic Oncology
    Abstract
  • Kaspersen, Jon Harald; Aasland, Jenny; Leira, HO; Ødegard, Asbjørn; Nagelhus, Bjørn; Storset, G. (2005) Three-dimensional teleradiology for surveillance following endovascular aortic aneurysm repair: A feasibility study. Journal of Endovascular Therapy
    Academic article
  • Pedersen, Marit; Aasland, Jenny Kristin; Kaspersen, Jon Harald; Leira, Håkon Olav; Myhre, Hans Olav. (2005) Teleradiologisk oppfolging av pasienter behandlet med stentgraft i aorta. Tidsskrift for Den norske legeforening (Tidsskriftet)
    Academic article

Report

  • Leira, Håkon Olav. (2012) Development of an image guidance research system for bronchoscopy. NTNU-trykk
    Doctoral dissertation

Outreach

2023

  • Academic lecture
    Ervik, Øyvind; Tveten, Ingrid Elisabeth; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2023) Automatic segmentation of mediastinal lymph nodes and blood vessels in endobronchial ultrasound (EBUS) using a deep neural network. EABIP 7th European Congress for Bronchology and Interventional Pulmonology (ECBIP2023) , Madrid 2023-05-11 - 2023-05-13

2016

  • Lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2016) 3 D endobronchial ultrasound (EBUS): Clinical demonstration. ERS ERS (Eur Resp Society) 2016 , London 2016-09-03 - 2016-09-07
  • Lecture
    Sorger, Hanne; Amundsen, Tore; Hofstad, Erlend Fagertun; Langø, Thomas; Leira, Håkon Olav. (2016) A multimodal image guiding system for navigated endobronchial ultrasound (EBUS): Human pilot. ERS ERS (Eur Resp Society) 2016 , London 2016-09-03 - 2016-09-07
  • Lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Bakeng, Janne Beate Lervik; Leira, Håkon Olav. (2016) 3D endobronchial ultrasound (EBUS): a human pilot study. 19th WCBIP 19th WCBIP WCBE (World Conference in Bronchology and Interventional Pulmonology) , Firenze 2016-05-08 - 2016-05-11
  • Lecture
    Leira, Håkon Olav; Bakeng, Janne Beate Lervik; Sorger, Hanne; Solberg, Ole Vegard; Askeland, Christian; Hofstad, Erlend Fagertun. (2016) Fraxinus, a free navigation system for bronchoscopy. WCBIP (World Conference in Bronchology and Interventional Pu WCBIP WCBE 2016 , Firenze 2016-05-08 - 2016-05-11
  • Poster
    Reynisson, Pall Jens; Hofstad, Erlend Fagertun; Leira, Håkon Olav; Askeland, Christian; Langø, Thomas; Sorger, Hanne. (2016) A new visualization approach for navigated bronchoscopy. WCBIP (World Conference in Bronchology and Interventional Pu WCBIP WCBE 2016 , Firenze 2016-05-08 - 2016-05-11

2015

  • Academic lecture
    Sørhaug, Sveinung; Hjelde, Harald Harris; Hatlen, Peter; Leira, Håkon Olav; Nesvik, Bjarte; Hollund, Raymond. (2015) Learning EBUS-TBNA - A 6-year experience at a single institution. ERS Eur Resp Society (ERS) International Annual Congress , Amsterdam 2015-09-26 - 2015-09-30
  • Lecture
    Leira, Håkon Olav. (2015) Navigation systems for bronchoscopy. Nordic Lung congress 2015 2015-06-10 -
  • Poster
    Ciobirca, P; Langø, Thomas; Popa, Teodor; Gruionu, Gabriel; Leira, Håkon Olav; Pastrama, SD. (2015) Virtual bronchoscopy method based on marching cubes algorithm. ICSAAM 2015, The 6th International Conference on Structural Analysis of Advanced Materials , Porto 2015-09-08 - 2015-09-11
  • Poster
    Sørhaug, Sveinung; Hjelde, Harald Harris; Hatlen, Peter; Leira, Håkon Olav; Salarinejad, Majid; Nesvik, Bjarte. (2015) Learning EBUS-TBNA - a 6-year experience at a single institution. European Respiratory Society European Respiratory Society Annual Congress 2015 2015-09-26 - 2015-09-30
  • Academic lecture
    Sorger, Hanne; Amundsen, Tore; Hofstad, Erlend Fagertun; Langø, Thomas; Leira, Håkon Olav. (2015) A novel multimodal image guiding system for navigated endobronchial ultrasound (EBUS): human pilot study. ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology 3rd ECBIP Barcelona, Spain, April 2015 , Barcelona 2015-04-23 - 2015-04-25
  • Academic lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2015) Endobronchial ultrasound visualization (3D-EBUS) - A novel navigation system for multimodal image-guided intervention. ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology) 3rd ECBIP Barcelona, Spain, April 2015 , Barcelona 2015-04-23 - 2015-04-25
  • Academic lecture
    Reynisson, Pall Jens; Scali, Marta; Leira, Håkon Olav; Hernes, Toril A. Nagelhus; Hofstad, Erlend Fagertun; Lindseth, Frank. (2015) Centrelines and airways extraction from lung CT for navigated bronchoscopy: a comparison of three methods. ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology) 3rd ECBIP Barcelona, Spain, April 2015 , Barcelona 2015-04-23 - 2015-04-25
  • Lecture
    Leira, Håkon Olav. (2015) Multimodal Image Guided EBUS. UiO Bronkoskopiforum , Rikshospitalet 2015-04-09 -
  • Academic lecture
    Hofstad, Erlend Fagertun; Sorger, Hanne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2015) Automatic registration of CT images to patient during bronchoscopy - A clinical pilot study. ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology) 3rd ECBIP Barcelona, Spain, April 2015 , Barcelona 2015-04-23 - 2015-04-25
  • Academic lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2015) Endobronchial ultrasound visualization (3D-EBUS) - A novel navigation system for multimodal image-guided intervention. CARS (Computer Assisted Radiology and Surgery) Int Org CARS 29th Annual Congress, Barcelona, Spain; 24-26.06.2015 , Barcelona 2015-06-24 - 2015-06-27
  • Academic lecture
    Reynisson, Pall Jens; Leira, Håkon Olav; Hernes, Toril A. Nagelhus; Hofstad, Erlend Fagertun; Askeland, Christian; Lindseth, Frank. (2015) New Vizualisation Technique for Navigational Bronchoscopy: Technical Development on Anchored to Centerline Curved Surface and Implementation on Lung Patient. ECBIP (Eur Cong Bronchoscopy and Interventional Pulmonology) 3rd ECBIP Barcelona, Spain, April 2015 , Barcelona 2015-04-23 - 2015-04-25

2014

  • Academic lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2014) A novel platform for electromagnetic navigated ultrasound (EBUS). Universitetet i Bergen National PhD Conference in medical Imaging and MedViz Conference , Bergen 2014-06-17 - 2014-06-18
  • Academic lecture
    Sorger, Hanne; Hofstad, Erlend Fagertun; Amundsen, Tore; Langø, Thomas; Leira, Håkon Olav. (2014) A novel system for navigated endobronchial ultrasound (EBUS). European Respiratory Society International Congress 2014 , Munchen 2014-09-06 - 2014-09-10

2013

  • Academic lecture
    Hofstad, Erlend Fagertun; Sorger, Hanne; Leira, Håkon Olav; Tangen, Geir Arne; Amundsen, Tore; Langø, Thomas. (2013) Automatic registration of CT images to patient during the initial phase of bronchoscopy – a clinical pilot study. CARS CARS Computer Assisted Radiology and Surgery , Heidelberg 2013-06-26 - 2013-06-29

2012

  • Poster
    Leira, Håkon Olav; Hofstad, Erlend Fagertun; Langø, Thomas; Amundsen, Tore. (2012) A high spatial and temporal resolution in lung segment sensors. Studies in lung physiology and navigated bronchoscopy. SMIT SMIT - Society for Medical Innovation and Technology , Barcelona 2012-09-20 - 2012-09-22
  • Academic lecture
    Hofstad, Erlend Fagertun; Leira, Håkon Olav; Tangen, Geir Arne; Sorger, Hanne; Amundsen, Tore; Langø, Thomas. (2012) Automatic registration of CT images to patient during the initial phase of bronchoscopy – a clinical pilot study. SMIT - Society for Medical Innovation and Technology SMIT conference , Barcelona 2012-09-20 - 2012-09-22

2011

  • Poster
    Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) The influence on lung segment and tumor movement by bronchoscopic instruments – impact on navigated bronchoscopy. International Association for the Study of Lung Cancer 14th World Conference on Lung Cancer , Amsterdam 2011-07-03 - 2011-07-07
  • Poster
    Hofstad, Erlend Fagertun; Bø, Lars Eirik; Tangen, Geir Arne; Leira, Håkon Olav; Amundsen, Tore; Langø, Thomas. (2011) Accuracy of electromagnetic tracking in navigated bronchoscopy with a prototype field generator in an interventional or setting. International Association for the Study of Lung Cancer 14th World Conference on Lung Cancer , Amsterdam 2011-07-03 - 2011-07-07
  • Poster
    Leira, Håkon Olav; Langø, Thomas; Hofstad, Erlend Fagertun; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) A new method for in-vivo lung movement tracking – for diagnosis and therapy in lung medicine. International Association for the Study of Lung Cancer (IASL 14th World Conference on Lung Cancer , Amsterdam 2011-07-03 - 2011-07-07
  • Poster
    Leira, Håkon Olav; Tangen, Geir Arne; Manstad-Hulaas, Frode; Langø, Thomas; Amundsen, Tore. (2011) Navigated bronchoscopy – a research platform using intraoperative cone beam CT. IASLC WCLC Amsterdam 2011 , Amsterdam 2011-07-03 -
  • Academic lecture
    Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) Navigated bronchoscopy. UiO MedViz 3rd National PhD conference in medical imaging , Oslo 2011-11-21 - 2011-11-21
  • Poster
    Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) Feasibility of navigated bronchoscopy - an experimental animal model. UiB MedViz 2011 Bergen , Bergen 2011-01-17 - 2011-01-18
  • Academic lecture
    Leira, Håkon Olav; Langø, Thomas; Tangen, Geir Arne; Bø, Lars Eirik; Amundsen, Tore. (2011) Navigert bronkoskopi. Norsk Forening for Lungemedisin Forskningsseminar Nasjonal konferanse i lungeforskning , Oslo 2011-11-11 - 2011-11-11

2009

  • Academic lecture
    Leira, Håkon Olav; Langø, Thomas; Amundsen, Tore; Manstad-Hulaas, Frode; Tangen, Geir Arne. (2009) Feasibility of navigated bronchoscopy - an experimental animal model. SMIT SMIT 2009 2009-10-07 - 2009-10-09

2004

  • Academic lecture
    Kaspersen, Jon H; Aasland, Jenny; Leira, HO; Myhre, Hans Olav; Rosenlund, T. (2004) 3D interaktiv teleradiologi. eforum-lønnsomhet gjennom nettverk og kunnskap (off.sektor) Symposiet eLandet Norge 2004 , Oslo 2004-10-19 -

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