Sigurd Vangen Wifstad
+4797782152
AHL-senteret, Kontor, Etasje 3, Øya
Publications
2025
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Viggen, Erlend Magnus;
Grønsberg, Sondre;
Brekke, Svein;
Hicks, Brad;
Wifstad, Sigurd Vangen.
(2025)
Improving pipe perforation estimates from ultrasonic imaging using subpixel machine learning trained on optical data.
Geoenergy Science and Engineering
Academic article
2024
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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
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Wifstad, Sigurd Vangen;
Kildahl, Henrik Agerup;
Holte, Espen;
Berg, Erik Andreas Rye;
Grenne, Bjørnar Leangen;
Salvesen, Øyvind Olav.
(2024)
EasyPISA: Automatic Integrated PISA Measurements of Mitral Regurgitation From 2-D Color-Doppler Using Deep Learning.
Ultrasound in Medicine and Biology
Academic article
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Wifstad, Sigurd Vangen;
Kildahl, Henrik Agerup;
Grenne, Bjørnar Leangen;
Holte, Espen;
Hauge, Ståle Wågen;
Sæbø, Sigbjørn.
(2024)
Mitral Valve Segmentation and Tracking from Transthoracic Echocardiography Using Deep Learning.
Ultrasound in Medicine and Biology
Academic article
2023
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Bryon, Vincent;
Wifstad, Sigurd Vangen;
Grønli, Thomas;
Hu, Jieyu;
Løvstakken, Lasse.
(2023)
Automated Patient-Specific Left Ventricular Simulations for Cardiac Function Evaluation Using Image-Based Computational Fluid Dynamics and Color Flow Imaging.
IEEE conference proceedings
Academic chapter/article/Conference paper
2022
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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
Journal publications
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Viggen, Erlend Magnus;
Grønsberg, Sondre;
Brekke, Svein;
Hicks, Brad;
Wifstad, Sigurd Vangen.
(2025)
Improving pipe perforation estimates from ultrasonic imaging using subpixel machine learning trained on optical data.
Geoenergy Science and Engineering
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
-
Wifstad, Sigurd Vangen;
Kildahl, Henrik Agerup;
Holte, Espen;
Berg, Erik Andreas Rye;
Grenne, Bjørnar Leangen;
Salvesen, Øyvind Olav.
(2024)
EasyPISA: Automatic Integrated PISA Measurements of Mitral Regurgitation From 2-D Color-Doppler Using Deep Learning.
Ultrasound in Medicine and Biology
Academic article
-
Wifstad, Sigurd Vangen;
Kildahl, Henrik Agerup;
Grenne, Bjørnar Leangen;
Holte, Espen;
Hauge, Ståle Wågen;
Sæbø, Sigbjørn.
(2024)
Mitral Valve Segmentation and Tracking from Transthoracic Echocardiography Using Deep Learning.
Ultrasound in Medicine and Biology
Academic article
-
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
Part of book/report
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Bryon, Vincent;
Wifstad, Sigurd Vangen;
Grønli, Thomas;
Hu, Jieyu;
Løvstakken, Lasse.
(2023)
Automated Patient-Specific Left Ventricular Simulations for Cardiac Function Evaluation Using Image-Based Computational Fluid Dynamics and Color Flow Imaging.
IEEE conference proceedings
Academic chapter/article/Conference paper
Outreach
2025
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PosterWifstad, Sigurd Vangen. (2025) Generating echocardiograms from semantic masks using unconditional diffusion models. Universitetet i Tromsø Northern Lights Deep Learning Conference 2025 , Tromsø 2025-01-07 - 2025-01-09
2024
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Academic lectureWifstad, Sigurd Vangen; Kildahl, Henrik Agerup; Holte, Espen; Berg, Erik Andreas Rye; Grenne, Bjørnar Leangen; Dalen, Håvard. (2024) Automated valve quantification using deep learning. KU Leuven Leuven Meeting on Myocardial Function Imaging 2024 , Leuven, Belgia 2024-02-08 - 2024-02-09
2023
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Popular scientific lectureEkroll, Ingvild Kinn; Grønli, Thomas; Wifstad, Sigurd Vangen; Yari, Yasin; Pasdeloup, David Francis Pierre; Hu, Jieyu. (2023) Se under overflaten med ultralyd!. Researchers Night 2023-09-29 - 2023-09-29
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Academic lectureWifstad, Sigurd Vangen; Indimath, Shivanandan; Bryon, Vincent; Avdal, Jørgen; Løvstakken, Lasse; Måsøy, Svein-Erik. (2023) Can we use Deep Learning to extract important information from poor resolution Doppler images?. Universita degli studi Firenze The 2023 Artimino Conference on Medical Ultrasound Technology , Artimino 2023-06-11 - 2023-06-14
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PosterBryon, Vincent; Wifstad, Sigurd Vangen; Hu, Jieyu; Grønli, Thomas; Løvstakken, Lasse. (2023) Automated Patient-Specific Left Ventricular Simulations for Cardiac Function Evaluation Using Image-Based Computational Fluid Dynamics and Color Flow Imaging. IEEE International Ultrasonics Symposium 2023 , Montreal 2023-09-03 - 2023-09-08
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Academic lectureBryon, Vincent; Wifstad, Sigurd Vangen; Hu, Jieyu; Grønli, Thomas; Løvstakken, Lasse. (2023) Simulating Blood Flow in the Heart: Enhancing Color Flow Imaging with Computational Fluid Dynamics. Universita degli studi Firenze The 2023 Artimino Conference on Medical Ultrasound Technology , Artimino 2023-06-11 - 2023-06-14
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PosterWifstad, Sigurd Vangen; Kildahl, Henrik Agerup; Holte, Espen; Grenne, Bjørnar Leangen; Dalen, Håvard; Løvstakken, Lasse. (2023) Automatic Jet Flow Convergence Detection and Quantification from 2D Color Doppler Flow Using Deep Learning. IEE International Ultrasonics Symposium 2023 2023-09-03 - 2023-09-08
2022
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Academic lectureWifstad, Sigurd Vangen; Hauge, Ståle Wågen; Seljelv, Sigvard Johansen; Sæbø, Sigbjørn; Mekonnen, Desalew; Nega, Berhanu. (2022) Tracking heart valve motion from transthoracic echocardiography using deep learning. IEEE International Ultrasonics Symposium (IUS) , Venezia 2022-10-11 - 2022-10-13
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Academic lectureWifstad, Sigurd Vangen; Hauge, Ståle Wågen; Seljelv, Sigvard Johansen; Sæbø, Sigbjørn; Mekonnen, Desalew; Nega, Berhanu. (2022) Tracking heart valve motion from transthoracic echocardiography using deep learning. PRESIMAL, MMIV, UIB Autumn Research School in Artificial Intelligence Methods in Medical Imaging 2022 , Solstrand 2022-09-14 - 2022-09-16
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Popular scientific lectureEkroll, Ingvild Kinn; Grønli, Thomas; Wifstad, Sigurd Vangen; Nyberg, John; Yari, Yasin. (2022) Se under overflaten med ultralyd!. Ungdommens forskernatt 2022-09-30 -
2021
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PosterWifstad, Sigurd Vangen; Løvstakken, Lasse; Avdal, Jørgen; Torp, Hans; Fiorentini, Stefano. (2021) Automatic quantification of valvular insufficiency using 3D Doppler imaging and deep learning . NTNU Probabilistic AI summer school , Virituelt 2021-06-14 - 2021-06-18
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Academic lectureWifstad, Sigurd Vangen; Løvstakken, Lasse; Avdal, Jørgen; Torp, Hans; Fiorentini, Stefano. (2021) Automatic quantification of valve insufficiency using 3D Doppler ultrasound and deep learning. Centre of Innovative Ultrasound Solutions CIUS conference , Virituelt 2021-04-28 -
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PosterWifstad, Sigurd Vangen; Løvstakken, Lasse; Avdal, Jørgen; Torp, Hans; Fiorentini, Stefano. (2021) Automatic quantification of valvular insufficiency using 3D Doppler imaging and Deep Learning. IEEE International Ultrasonics Symposium 2021 , Virituelt 2021-09-11 - 2021-09-16