Mr. Janek Gröhl Profile

Janek Gröhl

at Cancer Research UK , Cambridge Institute

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 5 March 2021 Poster + Presentation

International photoacoustic standardisation consortium (IPASC): facilitation of international collaboration by means of a standardised metadata format for photoacoustic images

Lina Hacker, Janek Gröhl

Proc. SPIE. 11642, Photons Plus Ultrasound: Imaging and Sensing 2021

KEYWORDS: Databases, Image processing, Data acquisition, Software development, Photoacoustic imaging, Reconstruction algorithms, Photoacoustic spectroscopy, Data conversion, Data integration, Standards development

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Proceedings Article | 5 March 2021 Poster + Presentation

Semantic segmentation of multispectral photoacoustic images using deep learning

Janek Gröhl, Melanie Schellenberg, Kris Dreher, Niklas Holzwarth, Minu D. Tizabi, Alexander Seitel, Lena Maier-Hein

Proc. SPIE. 11642, Photons Plus Ultrasound: Imaging and Sensing 2021

KEYWORDS: Visual analytics, Visualization, Image segmentation, Multispectral imaging, Data acquisition, Photoacoustic imaging, Physiology, Photoacoustic spectroscopy, Tissue optics, Data conversion

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Proceedings Article | 5 March 2021 Presentation

Tattoo tomography: an optical pattern approach for context-aware photoacoustics

Niklas Holzwarth, Melanie Schellenberg, Janek Gröhl, Kris Dreher, Jan-Hinrich Nölke, Philipp Biegger, Minu Tizabi, Alexander Seitel, Lena Maier-Hein

Proc. SPIE. 11642, Photons Plus Ultrasound: Imaging and Sensing 2021

KEYWORDS: Tumors, Tissues, Calibration, Skin, Tomography, Photoacoustic spectroscopy, Spatial resolution, Tissue optics, 3D image processing, Preclinical imaging

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Proceedings Article | 5 March 2021 Poster + Presentation

SIMPA: an open source toolkit for simulation and processing of photoacoustic images

Janek Gröhl, Kris Dreher, Melanie Schellenberg, Alexander Seitel, Lena Maier-Hein

Proc. SPIE. 11642, Photons Plus Ultrasound: Imaging and Sensing 2021

KEYWORDS: Modeling, Image processing, Multispectral imaging, Inverse problems, Photoacoustic imaging, Optical simulations, Photoacoustic spectroscopy, Tissue optics, Acoustics, Inverse optics

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Proceedings Article | 5 March 2021 Presentation

Invertible neural networks for uncertainty quantification in photoacoustic imaging

Jan-Hinrich Nölke, Tim Adler, Janek Gröhl, Lena Maier-Hein, Thomas Kirchner, Lynton Ardizzone, Carsten Rother, Ullrich Köthe

Proc. SPIE. 11642, Photons Plus Ultrasound: Imaging and Sensing 2021

KEYWORDS: Visualization, Blood, Multispectral imaging, Inverse problems, Neural networks, Photoacoustic imaging, Photoacoustic spectroscopy, Tissue optics

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Proceedings Article | 5 March 2021 Presentation

Generation of training data for quantitative photoacoustic imaging

Melanie Schellenberg, Janek Gröhl, Kris Dreher, Niklas Holzwarth, Minu D. Tizabi, Alexander Seitel, Lena Maier-Hein

Proc. SPIE. 11642, Photons Plus Ultrasound: Imaging and Sensing 2021

KEYWORDS: Medical imaging modalities, Medicine, Data modeling, Tissues, Scattering, Photoacoustic imaging, Spatial resolution, Tissue optics, Performance modeling, Model-based design

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Proceedings Article | 20 April 2020 Presentation

International Photoacoustic Standardisation Consortium (IPASC): Progress in the data acquisition and management theme (Conference Presentation)

Janek Gröhl, Lina Hacker

Proc. SPIE. 11240, Photons Plus Ultrasound: Imaging and Sensing 2020

KEYWORDS: Ultrasonography, Databases, Imaging devices, Data acquisition, Photoacoustic imaging, Reconstruction algorithms, Photoacoustic spectroscopy, Binary data, Prototyping, Standards development

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Proceedings Article | 20 April 2020 Presentation

Deep learning-based oxygenation estimation for multispectral photoacoustic imaging (Conference Presentation)

Janek Gröhl, Thomas Kirchner, Tim Adler, Lena Maier-Hein

Proc. SPIE. 11240, Photons Plus Ultrasound: Imaging and Sensing 2020

KEYWORDS: Visual analytics, Tissues, Error analysis, Chromophores, Multispectral imaging, Photoacoustic imaging, Image classification, Photoacoustic spectroscopy, In vivo imaging, Tissue optics

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SPIE Journal Paper | 16 April 2020

Context encoding enables machine learning-based quantitative photoacoustics (Erratum)

Thomas Kirchner, Janek Gröhl, Lena Maier-Hein

JBO Vol. 25 Issue 04

KEYWORDS: Photoacoustic spectroscopy, Computer programming, Scattering, Cancer, Medical research, Physics, Astronomy

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Proceedings Article | 4 March 2019 Presentation

International Photoacoustic Standardisation Consortium (IPASC): overview (Conference Presentation)

Sarah Bohndiek, Joanna Brunker, Janek Gröhl, Lina Hacker, James Joseph, William Vogt, Paolo Armanetti, Hisham Assi, Jeffrey Bamber, Paul Beard, Thomas Berer, Richard Bouchard, Kimberly Briggman, Lucia Cavigli, Bryan Clingman, Ben Cox, Adrien Desjardins, Andrew Heinmiller, Jeesong Hwang, Eno Hysi, Aoife Ivory, Jithin Jose, Thomas Kirchner, Jan Klohs, Lena Maier-Hein, Efthymios Maneas, Julia Mannheim, Srirang Manohar, Lacey McNally, Luca Menichetti, Steven Miller, Stefan Morscher, Ruiqing Ni, Yoko Okamura, Malini Olivo, Marty Pagel, Geoff Parker, Anna Pelagotti, Antonio Pifferi, Srinath Rajagopal, Fulvio Ratto, Daniel Razansky, Lisa Richards, Avihai Ron, Mithun Kuniyil Ajith Singh, Maximillian Waldner, Kun Wang, Lihong Wang, Wenfeng Xia, Bajram Zeqiri

Proc. SPIE. 10878, Photons Plus Ultrasound: Imaging and Sensing 2019

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Proceedings Article | 4 March 2019 Presentation

International Photoacoustic Standardisation Consortium (IPASC): recommendations for standardized data exchange in photoacoustic imaging (Conference Presentation)

Janek Gröhl

Proc. SPIE. 10878, Photons Plus Ultrasound: Imaging and Sensing 2019

KEYWORDS: Image processing, Laser energy, Medical imaging, Data processing, Transducers, Photoacoustic imaging, Basic research, Photoacoustic spectroscopy, Standards development

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Proceedings Article | 27 February 2019 Presentation + Paper

Photoacoustic monitoring of blood oxygenation during neurosurgical interventions

Thomas Kirchner, Janek Gröhl, Niklas Holzwarth, Mildred Herrera, Adrián Hernández-Aguilera, Edgar Santos, Lena Maier-Hein

Proc. SPIE. 10878, Photons Plus Ultrasound: Imaging and Sensing 2019

KEYWORDS: Imaging systems, Blood, Oxygen, Ultrasonics, Multispectral imaging, Hemodynamics, Cerebral cortex, Photoacoustic spectroscopy, Neuroimaging, Brain

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SPIE Journal Paper | 18 May 2018

Context encoding enables machine learning-based quantitative photoacoustics

Thomas Kirchner, Janek Gröhl, Lena Maier-Hein

JBO Vol. 23 Issue 05

KEYWORDS: Absorption, Tissue optics, Error analysis, Computer programming, Photoacoustic spectroscopy, Blood, Tissues, Computer simulations, Machine learning, Monte Carlo methods

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Proceedings Article | 15 March 2018 Presentation

Real-time delay multiply and sum beamforming for multispectral photoacoustics (Conference Presentation)

Franz Sattler, Thomas Kirchner, Janek Gröhl, Lena Maier-Hein

Proc. SPIE. 10494, Photons Plus Ultrasound: Imaging and Sensing 2018

KEYWORDS: Signal to noise ratio, Ultrasonography, Image resolution, Chromophores, Transducers, Reconstruction algorithms, Photoacoustic spectroscopy, In vivo imaging, Pulsed laser operation, In vitro testing

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Proceedings Article | 15 March 2018 Presentation

Real-time in vivo blood oxygenation measurements with an open-source software platform for translational photoacoustic research (Conference Presentation)

Thomas Kirchner, Janek Gröhl, Franz Sattler, Moritz Bischoff, Angelika Laha, Marco Nolden, Lena Maier-Hein

Proc. SPIE. 10494, Photons Plus Ultrasound: Imaging and Sensing 2018

KEYWORDS: Imaging systems, Blood, Ultrasonography, Scanners, Control systems, Ultrasonics, Medical imaging, Software development, Photoacoustic spectroscopy, In vivo imaging

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Proceedings Article | 19 February 2018 Presentation + Paper

Reconstruction of initial pressure from limited view photoacoustic images using deep learning

Dominik Waibel, Janek Gröhl, Fabian Isensee, Thomas Kirchner, Klaus Maier-Hein, Lena Maier-Hein

Proc. SPIE. 10494, Photons Plus Ultrasound: Imaging and Sensing 2018

KEYWORDS: Data modeling, Tissues, Sensors, Image processing, Error analysis, Computer simulations, Medical imaging, Monte Carlo methods, Reconstruction algorithms, Photoacoustic spectroscopy

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Proceedings Article | 19 February 2018 Presentation + Paper

Confidence estimation for quantitative photoacoustic imaging

Janek Gröhl, Thomas Kirchner, Lena Maier-Hein

Proc. SPIE. 10494, Photons Plus Ultrasound: Imaging and Sensing 2018

KEYWORDS: Data modeling, Optoacoustics, Error analysis, Quantitative analysis, Uncertainty analysis, Monte Carlo methods, Photoacoustic imaging, Machine learning

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Showing 5 of 17 publications

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