no code implementations • 27 Jun 2023 • Christopher Hahne, Raphael Sznitman
Contrast-Enhanced Ultra-Sound (CEUS) has become a viable method for non-invasive, dynamic visualization in medical diagnostics, yet Ultrasound Localization Microscopy (ULM) has enabled a revolutionary breakthrough by offering ten times higher resolution.
no code implementations • 7 Nov 2023 • Christopher Hahne, Georges Chabouh, Olivier Couture, Raphael Sznitman
Ultrasound Localization Microscopy (ULM) enables imaging of vascular structures in the micrometer range by accumulating contrast agent particle locations over time.
1 code implementation • 23 Aug 2023 • Christopher Hahne, Michel Hayoz, Raphael Sznitman
Time of Flight (ToF) is a prevalent depth sensing technology in the fields of robotics, medical imaging, and non-destructive testing.
1 code implementation • 14 Jun 2023 • Christopher Hahne
Parallax and Time-of-Flight (ToF) are often regarded as complementary in robotic vision where various light and weather conditions remain challenges for advanced camera-based 3-Dimensional (3-D) reconstruction.
1 code implementation • 25 Sep 2022 • Christopher Hahne
Acoustic modeling serves audio processing tasks such as de-noising, data reconstruction, model-based testing and classification.
1 code implementation • 2 Oct 2023 • Christopher Hahne, Georges Chabouh, Arthur Chavignon, Olivier Couture, Raphael Sznitman
However, our study uncovers an enormous potential: The process of delay-and-sum beamforming leads to an irreversible reduction of Radio-Frequency (RF) channel data, while its implications for localization remain largely unexplored.
2 code implementations • 17 Apr 2023 • Michel Hayoz, Christopher Hahne, Mathias Gallardo, Daniel Candinas, Thomas Kurmann, Maximilian Allan, Raphael Sznitman
Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries.
1 code implementation • 1 Jun 2020 • Christopher Hahne, Amar Aggoun
Plenoptic imaging enables a light-field to be captured by a single monocular objective lens and an array of micro lenses attached to an image sensor.
1 code implementation • 9 Oct 2020 • Christopher Hahne, Amar Aggoun, Vladan Velisavljevic, Susanne Fiebig, Matthias Pesch
We present a geometrical light field model allowing the triangulation to be applied to a plenoptic camera in order to predict object distances or specify baselines as desired.
2 code implementations • 14 Oct 2020 • Christopher Hahne, Amar Aggoun
Light-field cameras play a vital role for rich 3-D information retrieval in narrow range depth sensing applications.