Forschungsbericht 2025

Biomedizinische Bildgebung E-5

Leitung: Knopp, Tobias

Institut auf TORE
Institutswebsite

Publikationen

• The influence of muscle shapes on HDsEMG decomposition yield and accuracy - Journal Article
  Oltmann, Andra; Graßhoff, Jan; Knopp, Tobias; Rostalski, Philipp
  Journal of Electromyography and Kinesiology 86: 103103 (2026)
  Open Access | Publisher DOI
  
  
• NMR relaxometry probes solvent-polarity-dependent molecular interactions in stimuli-responsive lyogels - Journal Article
  Adrian, Muhammad; Eckert, Kathrin; Serial, Maria Raquel; Tsanda, Artyom; Rennpferdt, Lukas; Benders, Stefan; Trieu, Hoc Khiem; Knopp, Tobias; Smirnova, Irina; Penn, Alexander
  Physical Chemistry Chemical Physics (2025)
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• Efficient measurement and representation of magnetic fields in tomographic imaging using ellipsoidal harmonics - Journal Article
  Scheffler, Konrad; Meyn, Lara; Förger, Fynn; Boberg, Marija; Möddel, Martin; Knopp, Tobias
  Communications Physics 8 (1): 112 (2025)
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• Deep learning for restoring MPI system matrices using simulated training data - Preprint
  Tsanda, Artyom; Reiß, Sarah; Scheffler, Konrad; Boberg, Marija; Knopp, Tobias
  arXiv: 2511.23251 (2025)
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• 3D magnetic field camera with sub-second temporal resolution - Journal Article
  Förger, Fynn; Boberg, Marija; Hackelberg, Niklas; Heinisch, Philip; Ostaszewski, Katharina; Faltinath, Jonas; Suskin, Philip Mark; Thieben, Florian; Mohn, Fabian; Jürß, Paul; Möddel, Martin; Knopp, Tobias
  IEEE Sensors Journal 26 (1): 235-246 (2026)
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• Uncertainties of a spherical magnetic field camera - Conference Paper
  Förger, Fynn; Suskin, Philip Mark; Boberg, Marija; Faltinath, Jonas; Knopp, Tobias; Möddel, Martin
  IEEE Sensors 2025
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• Hard x-ray stereo ptychography with multislicing - Conference Paper
  Röper, Sina; Hussak Sarah-Alexandra; Stachnik, Karolina; Koziej, Dorota; Åstrand, Mattias; Vogt, Ulrich; Carus, Caterina; Dora, Johannes; Hagemann, Johannes; Seyrich, Martin; Schroer, Christian; Schropp, Andreas
  Optical Engineering + Applications 2025
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• Natural frequency dependency of magneto-mechanical resonators on magnet distance - Journal Article
  Faltinath, Jonas; Mohn, Fabian; Förger, Fynn; Möddel, Martin; Knopp, Tobias
  IEEE Sensors Journal 25 (20): 38073-38081 (2025)
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• Wireless and passive pressure detection using magneto-mechanical resonances in process engineering - Journal Article
  Merbach, Timo Alexander; Kexel, Felix; Faltinath, Jonas; Möddel, Martin; Schlüter, Michael; Knopp, Tobias; Mohn, Fabian
  Measurement science and technology 36 (8): 085109 (2025)
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• Simulating Gadolinium-induced magnetic field variations for temperature sensing with magneto-mechanical resonators - Conference Paper
  Faltinath, Jonas; Schmitz, Miriam; Förger, Fynn; Knopp, Tobias; Möddel, Martin
  IEEE Sensors 2025
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• A quantitative comparison of electrode positions for respiratory surface EMG - Journal Article
  Oltmann, Andra; Graßhoff, Jan; Lange, Nils; Knopp, Tobias; Rostalski, Philipp
  IEEE Transactions on Biomedical Engineering 72 (8): 2437-2446 (2025)
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• Radiofrequency receive coil arrays for large-bore vertical 3T MRI in process engineering - Conference Presentation
  Adrian, Muhammad; Tsanda, Artyom; Benders, Stefan; Knopp, Tobias; Penn, Alexander
  18th International Conference on Magnetic Resonance Microscopy, ICMRM 2025
  
  
• NMR Relaxometry for Molecular Structure Analysis of Stimuli-Responsive Lyogels in Varied Solvent Polarities - Conference Poster
  Adrian, Muhammad; Eckert, Kathrin; Serial, Maria Raquel; Rennpferdt, Lukas; Tsanda, Artyom; Benders, Stefan; Trieu, Hoc Khiem; Knopp, Tobias; Smirnova, Irina; Penn, Alexander
  18th International Conference on Magnetic Resonance Microscopy, ICMRM 2025
  
  
• Simulation of diaphragmatic motor unit action potentials throughout the respiratory cycle using a dynamic breathing model - Conference Paper
  Oltmann, Andra; Gildemeister, Ole; Bostelmann, Johannes; Schulz Pia Franziska; Graßhoff, Jan; Wegner, Franz; Frydrychowicz, Alex; Lellmann, Jan; Modersitzki, Jan; Knopp, Tobias; Rostalski, Philipp
  47th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2025
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• Wavelet-based compressed sensing of the system matrix for magnetic particle imaging - Journal Article
  Atalay Aydın, Vildan; Möddel, Martin; Knopp, Tobias
  Signal, Image and Video Processing 19 (9): 689 (2025)
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• Stereo hard X-ray ptychography - Journal Article
  Röper, Sina; Hussak Sarah-Alexandra; Stachnik, Karolina; Koziej, Dorota; Åstrand, Mattias; Vogt, Ulrich; Carus, Caterina; Dora, Johannes; Hagemann, Johannes; Seyrich, Martin; Schroer, Christian G.; Schropp, Andreas
  Optics Express 33 (11): 22755-22768 (2025)
  Open Access | Publisher DOI
  
  
• Responsive Mn‐ferrite nanoparticles for multicolor magnetic particle imaging, sensing, and reactive oxygen species degradation - Journal Article
  Starsich, Fabian H. L.; Feye, Julia; Niβler, Robert; Da Silva André Gabriela; Totter, Elena; Scheffler, Konrad; Thieben, Florian; Mayr, Erik; Franke, Jochen; Knopp, Tobias; Herrmann, Inge K.
  Advanced Sensor Research 4 (6): 2400189 (2025)
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• Optimization-based motion estimation in HR-PQCT - Conference Paper
  Jürß, Paul; Knopp, Tobias; Busse, Björn; Von Brackel Felix; Boberg, Marija
  22nd IEEE International Symposium on Biomedical Imaging, ISBI 2025
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• Current-to-field prediction for non-linear magnetic systems via neural networks - Journal Article
  Förger, Fynn; Jürß, Paul; Boberg, Marija; Hau, Tim; Knopp, Tobias; Möddel, Martin
  International Journal on Magnetic Particle Imaging 11 (1, Suppl 1): 2503009 (2025)
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• Experimental study on efficient field measurement using ellipsoidal harmonics - Journal Article
  Scheffler, Konrad; Förger, Fynn; Knopp, Tobias
  International Journal on Magnetic Particle Imaging 11 (1, Suppl 1): 2503040 (2025)
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• GPU accelerated multi-patch reconstruction - Journal Article
  Hackelberg, Niklas; Boberg, Marija; Knopp, Tobias
  International Journal on Magnetic Particle Imaging 11 (1, Suppl 1): 2503048 (2025)
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• Efficient iterative reconstruction for an MPI equilibrium model with anisotropy - Journal Article
  Durán, Daniel H.; Scheffler, Konrad; Möddel, Martin; Knopp, Tobias
  International Journal on Magnetic Particle Imaging 11 (1, Suppl 1): 2503015 (2025)
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• Multi-contrast MPI matrix compression - Journal Article
  Nawwas, Lina; Möddel, Martin; Knopp, Tobias
  International Journal on Magnetic Particle Imaging 11 (1, Suppl 1): 2503062 (2025)
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• Software implementation of greedy optimized MPS sequences - Journal Article
  Hackelberg, Niklas; Ackers, Justin; Mohn, Fabian; Gräser, Matthias; Knopp, Tobias
  International Journal on Magnetic Particle Imaging 11 (1 Suppl 1): 2503043 (2025)
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• Model-based reconstruction in MPI accounting for field imperfections - Journal Article
  Reiß, Sarah; Thieben, Florian; Faltinath, Jonas; Knopp, Tobias; Boberg, Marija
  International Journal on Magnetic Particle Imaging 11 (1, Suppl. 1): 2503039 (2025)
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• TrainingPhantoms.jl: simple and versatile image phantom generation - Journal Article
  Jürß, Paul; Droigk, Christine; Boberg, Marija; Knopp, Tobias
  International Journal on Magnetic Particle Imaging 11 (1, Suppl 1): 2503031 (2025)
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• Power-efficient control of non-linear magnetic field generators for MPI - Journal Article
  Suskin, Philip; Förger, Fynn; Jürß, Paul; Boberg, Marija; Knopp, Tobias; Möddel, Martin
  International Journal on Magnetic Particle Imaging 11 (1, Suppl 1): 2503023 (2025)
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• Unique compact representation of magnetic fields using truncated solid harmonic expansions - Journal Article
  Boberg, Marija; Knopp, Tobias; Möddel, Martin
  European Journal of Applied Mathematics 35 (5): 1012-1039 (2025)
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• Advancing multiphase flow imaging with high-density receiver arrays: MRI velocity measurements in structured packing with Schwarz-Diamond-TPSf design - Conference Poster
  Adrian, Muhammad; Tsanda, Artyom; Merbach, Timo Alexander; Acikgöz, Serhan; Herzog, Dirk; Benders, Stefan; Kelbassa, Ingomar; Schlüter, Michael; Knopp, Tobias; Penn, Alexander
  Jahrestreffen der DECHEMA/VDI-Fachgruppen Mischvorgänge, Hochdruckverfahrenstechnik und Mehrphasenströmungen 2025
  
  
• NMR relaxometry for molecular structure analysis of stimuli-responsive lyogels in varied solvent polarities - Conference Poster
  Adrian, Muhammad; Eckert, Kathrin; Serial, Maria Raquel; Rennpferdt, Lukas; Tsanda, Artyom; Benders, Stefan; Trieu, Hoc Khiem; Knopp, Tobias; Smirnova, Irina; Penn, Alexander
  Quantitative NMR Methods for Reaction and Process Monitoring, NMRPM 2025
  
  
• Model-based autofocus for near-field phase retrieval - Journal Article
  Dora, Johannes; Möddel, Martin; Flenner, Silja; Reimers, Jan; Zeller-Plumhoff, Berit; Schroer, Christian G.; Knopp, Tobias; Hagemann, Johannes
  Optics Express 33 (4): 6641-6657 (2025)
  Open Access | Publisher DOI
  
  
• Neural implicit representations for grid-agnostic MPI reconstructions - Journal Article
  Tsanda, Artyom; Khalid, Sadia; Möddel, Martin; Knopp, Tobias
  International Journal on Magnetic Particle Imaging 11 (1, Suppl 1): 2503058 (2025)
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• Learned discrepancy reconstruction and benchmark dataset for magnetic particle imaging - Journal Article
  Iske, Meira; Albers, Hannes; Knopp, Tobias; Kluth, Tobias
  IEEE Transactions on Computational Imaging 11: 1059-1073 (2025)
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• Denoising the system matrix with deep neural networks for better MPI reconstructions - Journal Article
  Tsanda, Artyom; Scheffler, Konrad; Reiß, Sarah; Knopp, Tobias
  International Journal on Magnetic Particle Imaging 11 (1): 2503047 (2025)
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• On algorithmical methods facilitating clinical translation of magnetic particle imaging - Doctoral Thesis
  Scheffler, Konrad
  Technische Universität Hamburg (2025)
  Open Access
  
  

Forschungsdaten

• Supplementary Data for the Paper: “Deep Learning for Restoring MPI System Matrices Using Simulated Training Data” - Dataset
  Tsanda, Artyom; Reiß, Sarah; Scheffler, Konrad; Boberg, Marija; Knopp, Tobias
  Open Access
  
  
• Data supplement for publication: Wireless and passive pressure detection using magneto-mechanical resonances in process engineering - Experimental Data
  Merbach, Timo Alexander; Kexel, Felix; Faltinath, Jonas; Möddel, Martin; Schlüter, Michael; Knopp, Tobias; Mohn, Fabian
  Open Access
  
  

Projekte

• Ganzkörper Magnetic-Particle-Imaging Messsequenzen (zweite Förderperiode)
  Deutsche Forschungsgemeinschaft (DFG); Laufzeit 2023-2026
  Projektleitung: Knopp, Tobias; Möddel, Martin
  Externe beteiligte Einrichtungen: Universitätsklinikum Hamburg-Eppendorf (UKE)
  
  
• SFB 1615 - Teilprojekt B03: Magnetresonanzbildgebung von großräumigen mehrphasigen und reaktiven Strömungssystemen
  Deutsche Forschungsgemeinschaft (DFG); Laufzeit 2023-2027
  Projektleitung: Knopp, Tobias; Penn, Alexander
  Mitarbeitende: Grosser, Mirco; Tsanda, Artyom; Benders, Stefan; Adrian, Muhammad
  
  

Kooperationspartner

• Universitätsklinikum Hamburg - Eppendorf (UKE)