Niklas Hackelberg, M.Sc.

Portrait of Niklas Hackelberg

Fraunhofer-Einrichtung für Individualisierte und Zellbasierte Medizintechnik IMTE
Mönkhofer Weg 239a
23562 Lübeck
- Postanschrift -

Technische Universität Hamburg (TUHH)
Institut für Biomedizinische Bildgebung
Gebäude E, Raum 4.044
Am Schwarzenberg-Campus 3
21073 Hamburg

E-Mail: niklas.hackelberg(at)imte.fraunhofer.de
E-Mail: niklas.hackelberg(at)tuhh.de
ORCID: https://orcid.org/0000-0002-0976-9049

Research Interests

  • Magnetic Particle Imaging
  • Image reconstruction in MPI, MRI and CT
  • Parallel computing in Julia

Curriculum Vitae

Niklas Hackelberg is a PhD student in the group of Tobias Knopp for Biomedical Imaging at the University Medical Center Hamburg-Eppendorf and the Hamburg University of Technology. In addition, he works as a software engineer at the Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering IMTE in Lübeck. He studied Computer Science at the Technical University of Hamburg from 2014 to 2021, where he earned his Master's degree with a thesis on "Development of a Scalable and Real-Time Capable Data Acquisition System for Magnetic Particle Imaging."  

Journal Publications

  • 52
    Knopp, T.; Gdaniec, N.; Möddel, M.
    Magnetic Particle Imaging: From Proof of Principle to Preclinical Applications
    2017 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 62 (14): R124
  • 51
    Dieckhoff, J.; Kaul, M. G.; Mummert, T.; Jung, C.; Salamon, J.; Adam, G.; Knopp, T.; Ludwig, F.; Balceris, C.; Ittrich, H.
    In vivo liver visualizations with magnetic particle imaging based on the calibration measurement approach
    2017 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 62 : 3470-3482
  • 50
    Knopp, T.; Conolly, S.; Buzug, T. M.
    Recent progress in magnetic particle imaging: from hardware to preclinical applications
    2017 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 62 (9): E4-E7
    Publisher IOP Publishing
  • 49
    Sedlacik, J.; Frölich, A.; Spallek, J.; Forkert, N. D.; Werner, F.; Knopp, T.; Krause, D.; Fiehler, J.; Buhk, J.-H.
    Detection of flow dynamic changes in 3D printed aneurysm models after treatment
    2017 Article International Journal on Magnetic Particle Imaging
    Journal International Journal on Magnetic Particle Imaging, 3 (1): 1 - 5
  • 48
    Them, K.
    On magnetic dipole-dipole interactions of nanoparticles in magnetic particle imaging
    2017 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 62 (14): 5623
  • 47
    Schmiester, L.; Möddel, M.; Erb, W.; Knopp, T.
    Direct Image Reconstruction of Lissajous Type Magnetic Particle Imaging Data using Chebyshev-based Matrix Compression
    2017 Article IEEE Transactions on Computational Imaging
    Journal IEEE Transactions on Computational Imaging
  • 46
    Kaul, M. G.; Mummert, T.; Jung, C.; Salamon, J.; Khandhar, A. P.; Ferguson, R. M.; Kemp, S. J.; Ittrich, H.; Krishnan, K. M.; Adam, G.; Knopp, T.
    In vitro and in vivo comparison of a tailored magnetic particle imaging blood pool tracer with resovist
    2017 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 62 : 3454-3469
  • 45
    Graeser, M.; Knopp, T.; Szwargulski, P.; Friedrich, T.; von Gladiss, A.; Kaul, M. G.; Krishnan, K. M.; Ittrich, H.; Adam, G.; Buzug, T. M.
    Towards Picogram Detection of Superparamagnetic Iron-Oxide Particles Using a Gradiometric Receive Coil
    2017 Article Scientific Reports
    Journal Scientific Reports, 7 : 6872
  • 44
    Storath, M.; Brandt, C.; Hofmann, M.; Knopp, T.; Salamon, J.; Weber, A.; Weinmann, A.
    Edge preserving and noise reducing reconstruction for magnetic particle imaging
    2016 Article IEEE Transactions on Medical Imaging
    Journal IEEE Transactions on Medical Imaging, 36 (1): 74—85
    Publisher IEEE
  • 43
    Weber, A.; Werner, F.; Weizenecker, J.; Buzug, T. M.; Knopp, T.
    Artifact free reconstruction with the system matrix approach by overscanning the field-free-point trajectory in magnetic particle imaging
    2016 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 61 (2): 475-487
  • 42
    Kaethner, C.; Erb, W.; Ahlborg, M.; Szwargulski, P.; Knopp, T.; Buzug, T. M.
    Non-Equispaced System Matrix Acquisition for Magnetic Particle Imaging based on Lissajous Node Points
    2016 Article IEEE Transactions on Medical Imaging
    Journal IEEE Transactions on Medical Imaging, 35 (11): 2476-2485
  • 41
    Knopp, T.; Hofmann, M.
    Online reconstruction of 3D magnetic particle imaging data
    2016 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 61 (11): N257-N267
  • 40
    Werner, F.; Jung, C.; Hofmann, M.; Werner, R.; Salamon, J.; Säring, D.; Kaul, M. G.; Them, K.; Weber, O. M.; Mummert, T.; Adam, G.; Ittrich, H.; Knopp, T.
    Geometry planning and image registration in magnetic particle imaging using bimodal fiducial markers
    2016 Article Medical Physics
    Journal Medical Physics, 43 : 2884
  • 39
    Salamon, J.; Hofmann, M.; Jung, C.; Kaul, M. G.; Werner, F.; Them, K.; Reimer, R.; Nielsen, P.; Scheidt, A.; Adam, G.; Knopp, T.; Ittrich, H.
    Magnetic Particle / Magnetic Resonance Imaging: In-Vitro MPI-Guided Real Time Catheter Tracking and 4D Angioplasty Using a Road Map and Blood Pool Tracer Approach
    2016 Article PLoS ONE
    Journal PLoS ONE, 11 (6)
  • 38
    Sedlacik, J.; Frölich, A.; Spallek, J.; Forkert, N. D.; Faizy, T. D.; Werner, F.; Knopp, T.; Krause, D.; Fiehler, J.; Buhk, J.-H.
    Magnetic Particle Imaging for High Temporal Resolution Assessment of Aneurysm Hemodynamics
    2016 Article PloS one
    Journal PloS one, 11 (8): e0160097
  • 37
    Them, K.; Salamon, J.; Szwargulski, P.; Sequeira, S.; Kaul, M. G.; Lange, C.; Ittrich, H.; Knopp, T.
    Increasing the sensitivity for stem cell monitoring in system-function based magnetic particle imaging
    2016 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 61 (9): 13
  • 36
    Them, K.; Kaul, M. G.; Jung, C.; Hofmann, M.; Mummert, T.; Werner, F.; Knopp, T.
    Sensitivity enhancement in Magnetic Particle Imaging by Background Subtraction
    2016 Article IEEE Transactions on Medical Imaging
    Journal IEEE Transactions on Medical Imaging, 35 (3): 893-900
    DOI:
    ISBN:
    0278-0062
  • 35
    Ahlborg, M.; Kaethner, C.; Knopp, T.; Szwargulski, P.; Buzug, T. M.
    Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging
    2016 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 61 (12): 4583-4598
  • 34
    Weber, A.; Knopp, T.
    Symmetries of the 2D magnetic particle imaging system matrix
    2015 Article Physics in Medicine and Biology
    Journal Physics in Medicine and Biology, 60 (10): 4033-44
  • 33
    Weber, A.; Knopp, T.
    Reconstruction of the Magnetic Particle Imaging System Matrix Using Symmetries and Compressed Sensing
    2015 Article Advances in Mathematical Physics
    Journal Advances in Mathematical Physics, Article ID 460496 : 9pp

Conference Proceedings

  • 167
    Nawwas, L.; Möddel, M.; Knopp, T.; Brandt, C.
    Bias-reduction for sparsity promoting regularization in Magnetic Particle Imaging
    2020 Contribution to Proceeding In "10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)"
    Booktitle , 10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)Volume6, Page 1-2
  • 166
    Steinmeister, L.; Baltruschat, I. M.; Ittrich, H.; Saalbach, A.; Nickisch, H.; Grass, M.; Knopp, T.; Adam, G.
    Intelligent Chest X-Ray Worklist Prioritization by Deep Learning
    2020 Contribution to Proceeding In "European Congress of Radiology (ECR 2020)"
    Booktitle European Congress of Radiology (ECR 2020)
    January 2020
  • 165
    Boberg, M.; Knopp, T.; Möddel, M.
    Reducing displacement artifacts by warping system matrices in efficient joint multi-patch magnetic particle imaging
    2020 Contribution to Proceeding In "10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)"
    Booktitle , 10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)Volume6, Page 1-3
  • 164
    Graeser, M.; Szwargulski, P.; Foerger, F.; Thieben, F.; Ludewig, P.; Knopp, T.
    Receive path calibration to exchange system matrix data of different receivers
    2020 Contribution to Proceeding In "10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)"
    Booktitle , 10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)Volume6, Page 1-3
  • 163
    Graeser, M.; Liebing, T.; Szwargulski, P.; Foerger, F.; Thieben, F.; Ludewig, P.; Knopp, T.
    Organ specific mouse head coil for improved image quality in magnetic particle imaging
    2020 Contribution to Proceeding In "10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)"
    Booktitle , 10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)Volume6, Page 1-3
  • 162
    Grosser, M.; Knopp, T.
    Accelerated Multi-Echo Gradient Echo Imaging using Locally-Low Rank Regularization
    2020 Contribution to Proceeding In "Proceedings ISMRM 2020"
    Booktitle Proceedings ISMRM 2020
  • 161
    Grosser, M.; Boberg, M.; Bahe, M.; Knopp, T.
    Enhanced compressed sensing recovery of multi-patch system matrices in MPI
    2020 Contribution to Proceeding In "10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)"
    Booktitle , 10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)Volume6, Page 1-3
  • 160
    Möddel, M.; Griese, F.; Kluth, T.; Knopp, T.
    Estimating orientation using multi-contrast MPI
    2020 Contribution to Proceeding In "10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)"
    Booktitle , 10th International Workshop on Magnetic Particle Imaging (IWMPI 2020)Volume6
  • 159
    Schauerte, M.; Szwargulski, P.; Kaul, M. G.; Knopp, T.; Graeser, M.
    A Schematic Kidney Phantom for Magnetic Particle Imaging
    2019 Contribution to Proceeding In "9th International Workshop on Magnetic Particle Imaging (IWMPI 2019)"
    Booktitle 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019), Page 59-60
  • 158
    Gdaniec, N.; Graeser, M.; Thieben, F.; Szwargulski, P.; Werner, F.; Boberg, M.; Griese, F.; Möddel, M.; Ludewig, P.; Ven, D.; Weber, O. M.; Woywode, O.; Gleich, B.; Knopp, T.
    Determining Perfusion Parameters using Magnetic Particle Imaging: A Phantom Study using a Human-Sized Flow Phantom
    2019 Contribution to Proceeding In "9th International Workshop on Magnetic Particle Imaging (IWMPI 2019)"
    Booktitle 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019), Page 151-152
  • 157
    Gdaniec, N.; Szwargulski, P.; Möddel, M.; Boberg, M.; Knopp, T.
    Multi-Patch Magnetic Particle Imaging of a Phantom with Periodic Motion
    2019 Contribution to Proceeding In "9th International Workshop on Magnetic Particle Imaging (IWMPI 2019)"
    Booktitle 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019), Page 27-28
  • 156
    Kosch, O.; Graeser, M.; Wells, J.; Radon, P.; Paysen, H.; Knopp, T.; Wiekhorst, F.
    Towards resolution phantoms for multi-centric comparison of instrumentations
    2019 Contribution to Proceeding In "9th International Workshop on Magnetic Particle Imaging (IWMPI 2019)"
    Booktitle 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019), Page 133-134
  • 155
    Szwargulski, P.; Exner, M.; Ludewig, P.; Knopp, T.; Graeser, M.
    From a static to a dynamic 3D anatomical phantom of a rat
    2019 Contribution to Proceeding In "Transactions on Additive Manufacturing Meets Medicine"
    Booktitle , Transactions on Additive Manufacturing Meets MedicineVolume1
  • 154
    Szwargulski, P.; Graeser, M.; Thieben, F.; Gdaniec, N.; Werner, F.; Boberg, M.; Griese, F.; Möddel, M.; Knopp, T.
    Interpretation of Cartesian Data based on a Simulated Human-Sized MPI Brain Imager
    2019 Contribution to Proceeding In "9th International Workshop on Magnetic Particle Imaging (IWMPI 2019)"
    Booktitle 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019), Page 37-38
  • 153
    Szwargulski, P.; Ludewig, P.; Graeser, M.; Möddel, M.; Gdaniec, N.; Krishnan, K. M.; Ittrich, H.; Adam, G.; Magnus, T.; Knopp, T.
    Dynamic Multi-Contrast Imaging of Two Different Tracer Materials in a Healthy Mouse
    2019 Contribution to Proceeding In "9th International Workshop on Magnetic Particle Imaging (IWMPI 2019)"
    Booktitle 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019), Page 97-98
  • 152
    Werner, R.; Weller, D.; Salamon, J.; Möddel, M.; Knopp, T.
    Toward employing the full potential of magnetic particle imaging: exploring visualization techniques and clinical use cases for real-time 3D vascular imaging
    2019 Contribution to Proceeding In "Medical Imaging 2019: Biomedical Applications in Molecular, Structural, and Functional Imaging"
    Booktitle In Barjor Gimi and Andrzej Krol, Editor, Medical Imaging 2019: Biomedical Applications in Molecular, Structural, and Functional ImagingVolume10953, Page 426 — 431
    International Society for Optics and Photonics
    Editor Barjor Gimi and Andrzej Krol
    Publisher SPIE
  • 151
    Werner, R.; Weller, D.; Salamon, J.; Möddel, M.; Knopp, T.
    Toward employing the full potential of magnetic particle imaging: exploring visualization techniques and clinical use cases for real-time 3D vascular imaging
    2019 Contribution to Proceeding In "Medical Imaging 2019: Biomedical Applications in Molecular, Structural, and Functional Imaging"
    Booktitle , Medical Imaging 2019: Biomedical Applications in Molecular, Structural, and Functional ImagingVolume10953, Page 109531V
    SPIE
  • 150
    Griese, F.; Prieske, M.; Möddel, M.; Werner, R.; Knopp, T.
    MRI-based field of view selection for precise, real-time targeting in MPI
    2019 Contribution to Proceeding In "9th International Workshop on Magnetic Particle Imaging (IWMPI 2019)"
    Booktitle 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019), Page 207-208
  • 149
    Thieben, F.; Graeser, M.; Boberg, M.; Szwargulski, P.; Möddel, M.; Knopp, T.
    Determining the Relation between Iron Mass and Spatial Resolution for a Human-Sized Magnetic Particle Brain Imager
    2019 Contribution to Proceeding In "9th International Workshop on Magnetic Particle Imaging (IWMPI 2019)"
    Booktitle 9th International Workshop on Magnetic Particle Imaging (IWMPI 2019), Page 41-42
  • 148
    Knopp, T.; Grosser, M.
    MRIReco.jl: An Extensible Open-Source Image Reconstruction Framework written in Julia
    2019 Contribution to Proceeding In "Proceedings ISMRM 2019"
    Booktitle Proceedings ISMRM 2019