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Successful PhD defense by Tollef Jahren

We congratulate Tollef Jahren for successfully defending his PhD thesis "Deep learning for detecting valvular events and suppressing reverberations in cardiac ultrasound" for the degree Philosophiae Doctor at Department of Informatics, University of Oslo.

Successful PhD defense by Tollef Jahren

We congratulate Tollef Jahren for successfully defending his PhD thesis "Deep learning for detecting valvular events and suppressing reverberations in cardiac ultrasound" for the degree Philosophiae Doctor at Department of Informatics, University of Oslo. The defense took place on June 11th.

Jahren's thesis introduced a new method for delineating heart cycles directly in spectral Doppler images. This innovation eliminates the need to record ECGs imultaneously, which means clinicians don't need to attach ECG pads, saving valuable time.

Jahren's research also tackles the issue of poor image quality in patients who are difficult to scan. Specifically, it addresses the problem of reverberational clutter that can obscure important cardiac structures in the images. The effectiveness of this method is demonstrated using in-vivo data.

The title of his trial lecture was “Uncertainty estimation in medical image analysis”.

Supervisors:

  • Professor Anne SchistadSolberg, University of Oslo (main supervisor)
  • Chief Engineer ErikSteen, GE Vingmed Ultrasound, Norway.

The evaluation commitee:

  • Associate Professor Nicolas Duchateau, Université Lyon 1, France
  • Associate Professor Elisabeth Wetzer, UiT The Arctic University of Norway, Tromsø, Norway
  • Associate Professor Sven Peter Näsholm,Department of Informatics, University of Oslo, Norway
Jahren during his PhD defense. Photo: Sarina Thomas.

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