2024

• Berg, Erik Andreas Rye; Fiorentini, Stefano; Avdal, Jørgen; Grenne, Bjørnar Leangen; Stensæth, Knut Haakon; While, Peter Thomas. (2024) Quantification of valvular regurgitation by transthoracic 3D high pulse repetition frequency Doppler echocardiography. European Heart Journal – Imaging Methods and Practice (EHJ-IMP)
  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
• Indimath, Shivanandan; Wifstad, Sigurd Vangen; Bryon, Vincent; Bøklepp, Bjarne Rosvoll; Løvstakken, Lasse; Avdal, Jørgen. (2024) Subpixel segmentation of borehole fractures from low resolution Doppler ultrasound images using machine learning. Geoenergy Science and Engineering
  Academic article

2023

• Fiorentini, Stefano; Måsøy, Svein-Erik; Avdal, Jørgen. (2023) Analysis of Aberration Effects on Flow Imaging and Quantification in Echocardiography. IEEE Open Journal of Ultrasonics, Ferroelectrics, and Frequency Control Society (OJUFFC)
  Academic article
• Indimath, Shivanandan; Fiorentini, Stefano; Bøklepp, Bjarne Rosvoll; Avdal, Jørgen; Johansen, Tonni Franke; Måsøy, Svein-Erik. (2023) Effect of bubble size on ultrasound backscatter from bubble clouds in the context of gas kick detection in boreholes. Scientific Reports
  Academic article
• Ekroll, Ingvild Kinn; Saris, Anne E.C.M; Avdal, Jørgen. (2023) FLUST: A fast, open source framework for ultrasound blood flow simulations. Computer Methods and Programs in Biomedicine
  Academic article
• Fiorentini, Stefano; Berg, Erik Andreas Rye; Torp, Hans Garman; Aakhus, Svend; Avdal, Jørgen. (2023) Quantification of Flow Rates and Flow Volumes in Valve Regurgitation Using 3-D High Frame-Rate Ultrasound. IEEE Open Journal of Ultrasonics, Ferroelectrics, and Frequency Control Society (OJUFFC)
  Academic article

2022

• Wifstad, Sigurd Vangen; Løvstakken, Lasse; Avdal, Jørgen; Berg, Erik Andreas Rye; Torp, Hans; Grenne, Bjørnar. (2022) Quantifying Valve Regurgitation Using 3-D Doppler Ultrasound Images and Deep Learning. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Indimath, Shivanandan; Fiorentini, Stefano; Bøklepp, Bjarne Rosvoll; Avdal, Jørgen; Måsøy, Svein-Erik. (2022) Optimization of pulsed-wave Doppler ultrasound for estimation of influx/efflux in oil and gas boreholes while drilling using conventional LWD transducers. Journal of Petroleum Science and Engineering
  Academic article

2021

• Pettersen, Erik Mulder; Avdal, Jørgen; Fiorentini, Stefano; Salvesen, Øyvind; Hisdal, Jonny; Torp, Hans. (2021) Validation of a novel ultrasound Doppler monitoring device (earlybird) for measurements of volume flow rate in arteriovenous fistulas for hemodialysis. Journal of Vascular Access
  Academic article

2020

• Golfetto, Cristiana; Ekroll, Ingvild Kinn; Avdal, Jørgen. (2020) Improving flow detection with Doppler ultrasound in medical and oil and gas applications. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Ramalli, Alessandro; Rodriguez-Molares, Alfonso; Avdal, Jørgen; D'Hooge, Jan R M; Løvstakken, Lasse. (2020) High-Frame-Rate Color Doppler Echocardiography: A Quantitative Comparison of Different Approaches. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Ekroll, Ingvild Kinn; Perrot, Vincent; Liebgott, Herve; Avdal, Jørgen. (2020) Tapered Vector Doppler for Improved Quantification of Low Velocity Blood Flow. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Golfetto, Cristiana; Ekroll, Ingvild Kinn; Torp, Hans; Løvstakken, Lasse; Avdal, Jørgen. (2020) Retrospective Transmit beamforming and Coherent Plane-Wave Compounding for Microvascular Doppler Imaging: A Comparison Study. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Perrot, Vincent; Ekroll, Ingvild Kinn; Avdal, Jørgen; Saxhaug, Lars Mølgaard; Dalen, Håvard; Vray, Didier. (2020) Translation of Simultaneous Vessel Wall Motion and Vectorial Blood Flow Imaging in Healthy and Diseased Carotids to the Clinic: A pilot study. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Fiorentini, Stefano; Avdal, Jørgen; Torp, Hans; Wiseth, Rune; Hellevik, Leif Rune. (2020) 3-D Doppler imaging in cardiac applications using high frame-rate sequences. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation

2019

• Ramalli, Alessandro; Rodriguez-Molares, Alfonso; Avdal, Jørgen; D'Hooge, Jan; Løvstakken, Lasse. (2019) High frame rate color flow echocardiography: A comparison of different imaging approaches. Journal of the Acoustical Society of America
  Academic article
• Fiorentini, Stefano; Espeland, Torvald; Berg, Erik Andreas Rye; Aakhus, Svend; Torp, Hans; Avdal, Jørgen. (2019) Combining Automatic Angle Correction and 3-D Tracking Doppler for the Assessment of Aortic Stenosis Severity. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Pettersen, Erik Mulder; Avdal, Jørgen; Hisdal, Jonny; Torp, Hans; Seternes, Arne. (2019) Validation of a novel ultrasound Doppler monitoring device (earlybird) for detection of microvascular circulatory changes. Clinical Hemorheology and Microcirculation
  Academic article
• Karabiyik, Yücel; Avdal, Jørgen; Ekroll, Ingvild Kinn; Fiorentini, Stefano; Torp, Hans; Løvstakken, Lasse. (2019) Data Adaptive 2-D Tracking Doppler for High-Resolution Spectral Estimation. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Avdal, Jørgen; Ekroll, Ingvild Kinn; Torp, Hans. (2019) Fast Flow-Line-Based Analysis of Ultrasound Spectral and Vector Velocity Estimators. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Fiorentini, Stefano; Ekroll, Ingvild Kinn; Torp, Hans; Avdal, Jørgen. (2019) Flowline tracking Doppler. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Perrot, Vincent; Avdal, Jørgen; Liebgott, Herve; Ekroll, Ingvild Kinn. (2019) Comparison of adaptive clutter filters for vector velocity estimation: Realistic simulations and in vivo examples. Proceedings - IEEE Ultrasonics Symposium
  Academic article

2018

• Golfetto, Cristiana; Ekroll, Ingvild Kinn; Torp, Hans; Avdal, Jørgen. (2018) 3D Coronary Blood Flow Imaging: A Comparison of Automatic Adaptive Clutter Filters. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Fiorentini, Stefano; Espeland, Torvald; Berg, Erik Andreas Rye; Aakhus, Svend; Torp, Hans; Avdal, Jørgen. (2018) Combining Automatic Angle Correction and 3-D Tracking Doppler for Aortic Stenosis Severity Assessment. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Ekroll, Ingvild Kinn; Wigen, Morten Smedsrud; Fadnes, Solveig; Avdal, Jørgen. (2018) Quantitative vascular blood flow imaging: A comparison of vector velocity estimation schemes. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Perrot, Vincent; Avdal, Jørgen; Løvstakken, Lasse; Salles, Sebastien; Vray, Didier; Liebgott, Herve. (2018) Spatial and temporal adaptive FIR clutter filtering. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Avdal, Jørgen; Rodriguez-Molares, Alfonso; Berg, Erik Andreas Rye; Torp, Hans. (2018) Volume flow estimation in valvular jets using 3D high frame rate ultrasound. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Fiorentini, Stefano; Saxhaug, Lars Mølgaard; Holte, Espen; Bjåstad, Tore Grüner; Torp, Hans; Avdal, Jørgen. (2018) Maximum velocity estimation in coronary arteries using 3D tracking Doppler. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article

2017

• Fiorentini, Stefano; Saxhaug, Lars Mølgaard; Bjåstad, Tore Grüner; Holte, Espen; Torp, Hans; Avdal, Jørgen. (2017) 3D tracking Doppler for improved quantitative blood flow assessment of coronary arteries. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Avdal, Jørgen; Torp, Hans. (2017) Fast ultrasound simulation method for evaluation of velocity estimators. Proceedings - IEEE Ultrasonics Symposium
  Abstract
• Fiorentini, Stefano; Saxhaug, Lars Mølgaard; Bjåstad, Tore Grüner; Holte, Espen; Torp, Hans; Avdal, Jørgen. (2017) 3D tracking Doppler for quantitative blood flow assessment of coronary arteries. Proceedings - IEEE Ultrasonics Symposium
  Abstract
• Avdal, Jørgen; Løvstakken, Lasse; Torp, Hans; Ekroll, Ingvild Kinn. (2017) Combined 2-D Vector imaging and Tracking Doppler for improved vascular blood velocity quantification. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Ekroll, Ingvild Kinn; Avdal, Jørgen. (2017) Adaptive clutter filtering based on tissue vector velocities. Proceedings - IEEE Ultrasonics Symposium
  Academic article

2016

• Karabiyik, Yucel; Avdal, Jørgen; Ekroll, Ingvild Kinn; Torp, Hans; Løvstakken, Lasse. (2016) Data adaptive 2-D tracking Doppler. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Karabiyik, Yucel; Ekroll, Ingvild Kinn; Eik-Nes, Sturla; Avdal, Jørgen; Løvstakken, Lasse. (2016) Adaptive Spectral Estimation Methods in Color Flow Imaging. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Ekroll, Ingvild Kinn; Avdal, Jørgen; Swillens, Abigail Emily; Torp, Hans; Løvstakken, Lasse. (2016) An Extended Least Squares Method for Aliasing-Resistant Vector Velocity Estimation. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Rodriguez-Molares, Alfonso; Avdal, Jørgen; Torp, Hans; Løvstakken, Lasse. (2016) Axial lobes in coherent plane-wave compounding. Proceedings - IEEE Ultrasonics Symposium
  Academic article
• Avdal, Jørgen; Ekroll, Ingvild Kinn; Løvstakken, Lasse; Torp, Hans. (2016) Combined 2-D vector and tracking Doppler imaging for improved blood velocity quantification. Proceedings - IEEE Ultrasonics Symposium
  Academic article

2015

• Avdal, Jørgen; Løvstakken, Lasse; Torp, Hans. (2015) Effects of reverberations and clutter filtering in pulsed Doppler using sparse sequences. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article

2014

• Fredriksen, Tonje Dobrowen; Avdal, Jørgen; Ekroll, Ingvild Kinn; Dahl, Torbjørn; Løvstakken, Lasse; Torp, Hans. (2014) Investigations of spectral resolution and angle dependency in a 2-D tracking doppler method. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
  Academic article
• Avdal, Jørgen; Ekroll, Ingvild Kinn; Fadnes, Solveig; Løvstakken, Lasse; Torp, Hans. (2014) 2D tracking doppler for cardiac jet flow velocity estimation. IEEE International Ultrasonics Symposium Proceedings
  Academic article