Research ExplorerScientific StaffTobias Knopp Publications

Univ. Prof. Dr. ID: 1445696

Tobias Knopp

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Publications

  1. 2023

  2. Real-time multi-contrast magnetic particle imaging for the detection of gastrointestinal bleeding

    Mohn, F., Szwargulski, P., Kaul, M. G., Graeser, M., Mummert, T., Krishnan, K. M., Knopp, T., Adam, G., Salamon, J. & Riedel, C., 27.12.2023, In: SCI REP-UK. 13, 1, 22976.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  3. Saline bolus for negative contrast perfusion imaging in magnetic particle imaging

    Mohn, F., Exner, M., Szwargulski, P., Möddel, M., Knopp, T. & Graeser, M., 22.08.2023, In: PHYS MED BIOL. 68, 17, 175026.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  4. NFFT.jl: Generic and Fast Julia Implementation of the Nonequidistant Fast Fourier Transform

    Knopp, T., Boberg, M. & Grosser, M., 13.06.2023, In: SIAM J SCI COMPUT. 45, 3, p. C179-C205

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  5. Morphological classification of radio galaxies with Wasserstein generative adversarial network-supported augmentation

    Rustige, L., Kummer, J., Griese, F., Borras, K., Brüggen, M., Connor, P., Gaede, F., Kasiecka, G., Knopp, T. & Schleper, P., 26.05.2023, In: RAS Techniques and Instruments. 2, 1, p. 264–277 14 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  6. Extrapolation of System Matrices in Magnetic Particle Imaging

    Scheffler, K., Boberg, M. & Knopp, T., 04.2023, In: IEEE T MED IMAGING. 42, 4, p. 1121-1132 12 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  7. 2022

  8. On the receive path calibration of magnetic particle imaging systems

    Thieben, F., Knopp, T., Boberg, M., Förger, F., Gräser, M. & Möddel, M., 30.11.2022, In: IEEE T INSTRUM MEAS. 72, 1000915.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  9. First Dedicated Balloon Catheter for Magnetic Particle Imaging

    Ahlborg, M., Friedrich, T., Gottsche, T., Scheitenberger, V., Linemann, R., Wattenberg, M., Buessen, A. T., Knopp, T., Szwargulski, P., Kaul, M. G., Salamon, J., Buzug, T. M., Barkhausen, J. & Wegner, F., 11.2022, In: IEEE T MED IMAGING. 41, 11, p. 3301-3308 8 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  10. Fat Quantification in Dual-Layer Detector Spectral Computed Tomography: Experimental Development and First In-Patient Validation

    Molwitz, I., Campbell, G. M., Yamamura, J., Knopp, T., Toedter, K., Fischer, R., Wang, Z. J., Busch, A., Ozga, A-K., Zhang, S., Lindner, T., Sevecke, F., Grosser, M., Adam, G. & Szwargulski, P., 01.07.2022, In: INVEST RADIOL. 57, 7, p. 463-469 7 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  11. System Matrix Based Reconstruction for Pulsed Sequences in Magnetic Particle Imaging

    Mohn, F., Knopp, T., Boberg, M., Thieben, F., Szwargulski, P. & Graeser, M., 07.2022, In: IEEE T MED IMAGING. 41, 7, p. 1862-1873 12 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  12. Particle interactions and their effect on magnetic particle spectroscopy and imaging

    Moor, L., Scheibler, S., Gerken, L., Scheffler, K., Thieben, F., Knopp, T., Herrmann, I. K. & Starsich, F. H. L., 19.05.2022, In: NANOSCALE. 14, 19, p. 7163-7173 11 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  13. Modeling the magnetization dynamics for large ensembles of immobilized magnetic nanoparticles in multi-dimensional magnetic particle imaging

    Albers, H., Knopp, T., Möddel, M., Boberg, M. & Kluth, T., 01.02.2022, In: J MAGN MAGN MATER. 543, 168534.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  14. Simulating magnetization dynamics of large ensembles of single domain nanoparticles: Numerical study of Brown/Néel dynamics and parameter identification problems in magnetic particle imaging

    Albers, H., Kluth, T. & Knopp, T., 01.01.2022, In: J MAGN MAGN MATER. 541, 168508.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  15. Influence of X-rays and gamma-rays on the mechanical performance of human bone factoring out intraindividual bone structure and composition indices

    Schmidt, F. N., Hahn, M., Stockhausen, K. E., Rolvien, T., Schmidt, C., Knopp, T., Schulze, C., Püschel, K., Amling, M. & Busse, B., 01.2022, In: MATER TODAY BIO. 13, 100169.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  16. Magnetic particle imaging for assessment of cerebral perfusion and ischemia

    Ludewig, P., Graeser, M., Forkert, N. D., Thieben, F., Rández-Garbayo, J., Rieckhoff, J., Lessmann, K., Förger, F., Szwargulski, P., Magnus, T. & Knopp, T., 01.2022, In: WIRES NANOMED NANOBI. 14, 1, e1757.

    Research output: SCORING: Contribution to journal › SCORING: Review article › Research

  17. 2021

  18. Efficient Joint Estimation of Tracer Distribution and Background Signals in Magnetic Particle Imaging Using a Dictionary Approach

    Knopp, T., Grosser, M., Graeser, M., Gerkmann, T. & Moddel, M., 12.2021, In: IEEE T MED IMAGING. 40, 12, p. 3568-3579 12 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  19. Estimating the Spatial Orientation of Immobilized Magnetic Nanoparticles with Parallel-Aligned Easy Axes

    Möddel, M., Griese, F., Kluth, T. & Knopp, T., 10.2021, In: PHYS REV APPL. 16, 4, L041003.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  20. MRIReco.jl: An MRI reconstruction framework written in Julia

    Knopp, T. & Grosser, M., 09.2021, In: MAGN RESON MED. 86, 3, p. 1633-1646 14 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  21. A wavelet-based sparse row-action method for image reconstruction in magnetic particle imaging

    Lieb, F. & Knopp, T., 07.2021, In: MED PHYS. 48, 7, p. 3893-3903 11 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  22. Smart chest X-ray worklist prioritization using artificial intelligence: a clinical workflow simulation

    Baltruschat, I., Steinmeister, L., Nickisch, H., Saalbach, A., Grass, M., Adam, G., Knopp, T. & Ittrich, H., 06.2021, In: EUR RADIOL. 31, 6, p. 3837-3845 9 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  23. Simultaneous imaging of widely differing particle concentrations in MPI: problem statement and algorithmic proposal for improvement

    Boberg, M., Gdaniec, N., Szwargulski, P., Werner, F., Möddel, M. & Knopp, T., 23.04.2021, In: PHYS MED BIOL. 66, 9, 095004.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  24. Dictionary-based background signal estimation for magnetic particle imaging

    Knopp, T., Grosser, M., Graeser, M., Gerkmann, T. & Moddel, M., 13.04.2021, 2021 IEEE 18th International Symposium on Biomedical Imaging, ISBI 2021. IEEE Computer Society, p. 1540-1543 4 p. 9434048. (Proceedings - International Symposium on Biomedical Imaging; vol. 2021-April).

    Research output: SCORING: Contribution to book/anthology › Conference contribution - Article for conference › Research › peer-review

  25. Efficient optimization of mri sampling patterns using the bayesian fisher information matrix

    Grosser, M. & Knopp, T., 13.04.2021, 2021 IEEE 18th International Symposium on Biomedical Imaging, ISBI 2021. IEEE Computer Society, p. 234-237 4 p. 9434109. (Proceedings - International Symposium on Biomedical Imaging; vol. 2021-April).

    Research output: SCORING: Contribution to book/anthology › Conference contribution - Article for conference › Research › peer-review

  26. Reduktion der Kalibrierungszeit für die Magnetpartikelbildgebung mittels Deep Learning

    Baltruschat, I. M., Szwargulski, P., Griese, F., Grosser, M., Werner, R. & Knopp, T., 2021, Bildverarbeitung für die Medizin 2021 - Proceedings, German Workshop on Medical Image Computing, 2021. Palm, C., Handels, H., Maier-Hein, K., Deserno, T. M., Maier, A. & Tolxdorff, T. (eds.). Springer Science and Business Media Deutschland GmbH, p. 337 1 p. (Informatik aktuell).

    Research output: SCORING: Contribution to book/anthology › Conference contribution - Article for conference › Research › peer-review

  27. 2020

  28. Design of a head coil for high resolution mouse brain perfusion imaging using magnetic particle imaging

    Graeser, M., Ludewig, P., Szwargulski, P., Foerger, F., Liebing, T., Forkert, N. D., Thieben, F., Magnus, T. & Knopp, T., 23.12.2020, In: PHYS MED BIOL. 65, 23, p. 235007

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  29. Suppression of Motion Artifacts Caused by Temporally Recurring Tracer Distributions in Multi-Patch Magnetic Particle Imaging

    Gdaniec, N., Boberg, M., Möddel, M., Szwargulski, P. & Knopp, T., 11.2020, In: IEEE T MED IMAGING. 39, 11, p. 3548-3558 11 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  30. Monitoring Intracranial Cerebral Hemorrhage Using Multicontrast Real-Time Magnetic Particle Imaging

    Szwargulski, P., Wilmes, M., Javidi, E., Thieben, F., Graeser, M., Koch, M., Gruettner, C., Adam, G., Gerloff, C., Magnus, T., Knopp, T. & Ludewig, P., 27.10.2020, In: ACS NANO. 14, 10, p. 13913-13923 11 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  31. 3d-SMRnet: Achieving a New Quality of MPI System Matrix Recovery by Deep Learning

    Baltruschat, I. M., Szwargulski, P. K., Griese, F., Grosser, M., Werner, R. & Knopp, T., 10.2020, Medical Image Computing and Computer Assisted Intervention – MICCAI 2020: 23rd International Conference, Lima, Peru, October 4–8, 2020, Proceedings, Part II. 1 ed. Springer Nature Switzerland, p. 74-82 9 p. (Lecture Notes in Computer Science (LNCS); no. 12262).

    Research output: SCORING: Contribution to book/anthology › SCORING: Contribution to collected editions/anthologies › Research › peer-review

  32. Visualization of spatial and temporal temperature distributions with magnetic particle imaging for liver tumor ablation therapy

    Salamon, J., Dieckhoff, J., Kaul, M. G., Jung, C., Adam, G., Möddel, M., Knopp, T., Draack, S., Ludwig, F. & Ittrich, H., 04.05.2020, In: SCI REP-UK. 10, 1, p. 7480

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  33. Generalized MPI Multi-Patch Reconstruction using Clusters of similar System Matrices

    Boberg, M., Knopp, T., Szwargulski, P. & Moddel, M., 05.2020, In: IEEE T MED IMAGING. 39, 5, p. 1347-1358 12 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  34. Development of long circulating magnetic particle imaging tracers: use of novel magnetic nanoparticles and entrapment into human erythrocytes

    Antonelli, A., Szwargulski, P., Scarpa, E-S., Thieben, F., Cordula, G., Ambrosi, G., Guidi, L., Ludewig, P., Knopp, T. & Magnani, M., 04.2020, In: NANOMEDICINE-UK. 15, 8, p. 739-753 15 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  35. Simultaneous Magnetic Particle Imaging and Navigation of large superparamagnetic nanoparticles in bifurcation flow experiments

    Griese, F., Knopp, T., Grüttner, C., Thieben, F., Müller, K., Loges, S., Ludewig, P. & Gdaniec, N., 15.03.2020, In: J MAGN MAGN MATER. 2020, 498, 166206.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  36. Combining Direct 3D Volume Rendering and Magnetic Particle Imaging to Advance Radiation-Free Real-Time 3D Guidance of Vascular Interventions

    Weller, D., Salamon, J. M., Frölich, A., Möddel, M., Knopp, T. & Werner, R., 02.2020, In: CARDIOVASC INTER RAD. 43, 2, p. 322-330 9 p.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  37. OpenMPIData: An initiative for freely accessible magnetic particle imaging data

    Knopp, T., Szwargulski, P., Griese, F. & Gräser, M., 02.2020, In: DATA BRIEF. 28, p. 104971

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  38. A sparse row-action algorithm for magnetic particle imaging

    Lieb, F. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009002.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  39. Bias-reduction for sparsity promoting regularization in magnetic particle imaging

    Nawwas, L., Möddel, M., Knopp, T. & Brandt, C., 2020, In: Int J Magn Part Imag. 6, 2, 2009041.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  40. Design of a magnetostimulation head coil with rutherford cable winding

    Ozaslan, A. A., Cagil, A. R., Graeser, M., Knopp, T. & Saritas, E. U., 2020, In: Int J Magn Part Imag. 6, 2, 2009063.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  41. Determination of 3D system matrices using a mirroring approach based on mixing theory

    Szwargulski, P. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009051.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  42. Encapsulation of new MPI tracer nanoparticles in the human red blood cells

    Antonelli, A., Szwargulski, P., Scarpa, E. S., Grüttner, C., Guidi, L., Ambrosi, G., Knopp, T. & Magnani, M., 2020, In: Int J Magn Part Imag. 6, 2, 2009001.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  43. Enhanced compressed sensing recovery of multi-patch system matrices in MPI

    Grosser, M., Boberg, M., Bahe, M. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 3 p., 2009035.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  44. Estimating orientation using multi-contrast MPI

    Möddel, M., Griese, F., Kluth, T. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009023.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  45. Gradient power reducing using pulsed selection-field sequences

    Thieben, F., Boberg, M., Szwargulski, P., Graeser, M. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009054.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  46. In-Vitro MPI-guided IVOCT catheter tracking in real time for motion artifact compensation

    Griese, F., Latus, S., Schlüter, M., Graeser, M., Lutz, M., Schlaefer, A. & Knopp, T., 2020, In: PLOS ONE. 15, 3, p. e0230821

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

  47. Iron core coil designs for MPI

    Förger, F., Graeser, M. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009042.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  48. Mnpdynamics: A computational toolbox for simulating magnetic moment behavior of ensembles of nanoparticles

    Albers, H., Kluth, T. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009020.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  49. Organ specific mouse head coil for improved image quality in magnetic particle imaging

    Graeser, M., Liebing, T., Szwargulski, P., Förger, F., Thieben, F., Ludewig, P. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009046.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  50. Quasi-simultaneous magnetic particle imaging and navigation of nanomag/synomag-D particles in bifurcation flow experiments

    Griese, F., Ludewig, P., Gruettner, C., Thieben, F., Müller, K. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009025.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  51. Receive path calibration to exchange system matrix data of different receivers

    Graeser, M., Szwargulski, P., von Gladiss, A., Förger, F., Thieben, F., Ludewig, P. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009044.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  52. Reducing displacement artifacts by warping system matrices in efficient joint multi-patch magnetic particle imaging

    Boberg, M., Knopp, T. & Möddel, M., 2020, In: Int J Magn Part Imag. 6, 2, 2009030.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  53. Tailored regularization methods for multi-contrast magnetic particle imaging

    Glöckner, I., Möddel, M., Knopp, T. & Brandt, C., 2020, In: Int J Magn Part Imag. 6, 2, 2009052.

    Research output: SCORING: Contribution to journal › Other (editorial matter etc.) › Research

  54. Towards accurate modeling of the multidimensional MPI physics

    Kluth, T., Szwargulski, P. & Knopp, T., 2020, In: Int J Magn Part Imag. 6, 2, 2009004.

    Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

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