IBI: Niklas Hackelberg

Niklas Hackelberg, M.Sc.

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

92
Möddel, M.; Griese, F.; Kluth, T.; Knopp, T.
Estimating the Spatial Orientation of Immobilized Magnetic Nanoparticles with Parallel-Aligned Easy Axes
2021 Article Physical Review Applied
Journal Physical Review Applied, 16 : L041003
Publisher American Physical Society
DOI:
10.1103/PhysRevApplied.16.L041003
91
Gdaniec, N.; Boberg, M.; Möddel, M.; Szwargulski, P.; Knopp, T.
Suppression of Motion Artifacts Caused by Temporally Recurring Tracer Distributions in Multi-Patch Magnetic Particle Imaging
2020 Article IEEE Transactions on Medical Imaging
Journal IEEE Transactions on Medical Imaging, 39 (11): 3548-3558
DOI:
10.1109/TMI.2020.2998910
90
Antonelli, A.; Szwargulski, P.; Scarpa, E. S.; Thieben, F.; Gruettner, C.; Ambrosi, G.; Guidi, L.; Ludewig, P.; Knopp, T.; Magnani, M.
Development of long circulating magnetic particle imaging tracers: use of novel magnetic nanoparticles and entrapment into human erythrocytesDevelopment of long circulating magnetic particle imaging tracers: use of novel magnetic nanoparticles and entrapm
2020 Article Nanomedicine
Journal Nanomedicine, 15 (8): 739-753
Publisher Future Medicine Ltd
DOI:
10.2217/nnm-2019-0449
89
Szwargulski, P.; Wilmes, M.; Javidi, E.; Thieben, F.; Graeser, M.; Koch, M.; Gruettner, C.; Adam, G.; Gerhard, C.; Magnus, T.; Knopp, T.; Ludewig, P.
Monitoring Intracranial Cerebral Hemorrhage Using Multicontrast Real-Time Magnetic Particle Imaging
2020 Article ACS Nano
Journal ACS Nano, 14 (10): 13913-13923
Publisher Future Medicine Ltd
DOI:
10.1021/acsnano.0c06326
88
Weller, D.; Salamon, J.; Frölich, A.; Möddel, M.; Knopp, T.; Werner, R.
Combining Direct 3D Volume Rendering and Magnetic Particle Imaging to Advance Radiation-Free Real-Time 3D Guidance of Vascular Interventions
2020 Article Cardiovascular and interventional radiology
Journal Cardiovascular and interventional radiology, 43 (2): 322-330
Publisher Springer US
DOI:
10.1007/s00270-019-02340-4
87
Griese, F.; Latus, S.; Schlüter, M.; Graeser, M.; Lutz, M.; Schlaefer, A.; Knopp, T.
In-Vitro MPI-guided IVOCT catheter tracking in real time for motion artifact compensation
2020 Article Plos one
Journal Plos one, 20 (3): e0230821
Publisher Public Library of Science
DOI:
10.1371/journal.pone.0230821
86
Griese, F.; Knopp, T.; Gruettner, C.; Thieben, F.; Müller, K.; Loges, S.; Ludewig, P.; Gdaniec, N.
Simultaneous Magnetic Particle Imaging and Navigation of large superparamagnetic nanoparticles in bifurcation flow experiments
2020 Article Journal of Magnetism and Magnetic Materials
Journal Journal of Magnetism and Magnetic Materials, 498 : 166206
DOI:
10.1016/j.jmmm.2019.166206
85
Knopp, T.; Szwargulski, P.; Griese, F.; Graeser, M.
OpenMPIData: An initiative for freely accessible magnetic particle imaging data
2020 Article Data in Brief
Journal Data in Brief, 28 : 104971
DOI:
10.1016/j.dib.2019.104971
84
Salamon, J.; Dieckhoff, J.; Kaul, M. G.; Jung, C.; Adam, G.; Möddel, M.; Knopp, T.; Draack, S.; Ludwig, F.; Ittrich, H.
Visualization of spatial and temporal temperature distributions with magnetic particle imaging for liver tumor ablation therapy
2020 Article Scientific Reports
Journal Scientific Reports, 10 (7480): 1-11
DOI:
10.1038/s41598-020-64280-1
83
Boberg, M.; Knopp, T.; Szwargulski, P.; Möddel, M.
Generalized MPI Multi-Patch Reconstruction using Clusters of similar System Matrices
2020 Article IEEE Transactions on Medical Imaging
Journal IEEE Transactions on Medical Imaging, 39 (5): 1347-1358
DOI:
10.1109/TMI.2019.2949171
82
Graeser, M.; Ludewig, P.; Szwargulski, P.; Foerger, F.; Liebing, T.; Forkert, N. D.; Thieben, F.; Magnus, T.; Knopp, T.
Design of a head coil for high resolution mouse brain perfusion imaging using magnetic particle imaging
2020 Article Physics in Medicine and Biology
Journal Physics in Medicine and Biology, 65 (23): 235007
Publisher IOP Publishing
DOI:
10.1088/1361-6560/abc09e
81
Gessert, N.; Sentker, T.; Madesta, F.; Schmitz, R.; Kniep, H.; Baltruschat, I. M.; Werner, R.; Schlaefer, A.
Skin Lesion Classification Using CNNs with Patch-Based Attention and Diagnosis-Guided Loss Weighting
2019 Article IEEE Transactions on Biomedical Engineering
Journal IEEE Transactions on Biomedical Engineering
DOI:
10.1109/TBME.2019.2915839
80
Szwargulski, P.; Möddel, M.; Gdaniec, N.; Knopp, T.
Efficient Joint Image Reconstruction of Multi-Patch Data reusing a Single System Matrix in Magnetic Particle Imaging
2019 Article IEEE Transactions on Medical Imaging
Journal IEEE Transactions on Medical Imaging, 38 (4): 932-944
DOI:
10.1109/TMI.2018.2875829
79
Shasha, C.; Teeman, E.; Krishnan, K. M.; Szwargulski, P.; Knopp, T.; Möddel, M.
Discriminating nanoparticle core size using multi-contrast MPI
2019 Article Physics in Medicine and Biology
Journal Physics in Medicine and Biology
DOI:
10.1088/1361-6560/ab0fc9
78
Weller, D.; Salamon, J.; Frölich, A.; Möddel, M.; Knopp, T.; Werner, R.
Combining Direct 3D Volume Rendering and Magnetic Particle Imaging to Advance Radiation-Free Real-Time 3D Guidance of Vascular Interventions
2019 Article CardioVascular and Interventional Radiology
Journal CardioVascular and Interventional Radiology
DOI:
10.1007/s00270-019-02340-4
77
Latus, S.; Griese, F.; Schlüter, M.; Otte, C.; Möddel, M.; Graeser, M.; Saathoff, T.; Knopp, T.; Schlaefer, A.
Bimodal intravascular volumetric imaging combining OCT and MPI
2019 Article Medical Physics
Journal Medical Physics, 46 (3): 1371-1383
DOI:
10.1002/mp.13388
76
Kluth, T.; Szwargulski, P.; Knopp, T.
Towards accurate modeling of the multidimensional magnetic particle imaging physics
2019 Article New Journal of Physics
Journal New Journal of Physics, 21 (10): 103032
Publisher IOP Publishing
DOI:
10.1088/1367-2630/ab4938
75
Knopp, T.; Möddel, M.; Griese, F.; Werner, F.; Szwargulski, P.; Gdaniec, N.; Boberg, M.
MPIFiles.jl: A Julia Package for Magnetic Particle Imaging Files
2019 Article Journal of Open Source Software
Journal Journal of Open Source Software, 4 (38): 1331
DOI:
10.21105/joss.01331
74
Baltruschat, I. M.; Nickisch, H.; Grass, M.; Knopp, T.; Saalbach, A.
Comparison of Deep Learning Approaches for Multi-Label Chest X-Ray Classification
2019 Article Scientific reports
Journal Scientific reports, 9 (1): 6381
Publisher Nature Publishing Group
DOI:
10.1038/s41598-019-42294-8
73
Knopp, T.; Gdaniec, N.; Rehr, R.; Graeser, M.; Gerkmann, T.
Correction of linear system drifts in magnetic particle imaging
2019 Article Physics in Medicine and Biology
Journal Physics in Medicine and Biology, 64 (12): 125013 (11pp)
DOI:
10.1088/1361-6560/ab2480

Conference Proceedings

207
Thieben, F.; Knopp, T.; Boberg, M.; Foerger, F.; Graeser, M.; Möddel, M.
The pitfalls of receive path calibration
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle , 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)Volume9
March 2023
File:
https://www.journal.iwmpi.org/index.php/iwmpi/article/view/606
206
Knopp, T.; Albers, H.; Grosser, M.; Möddel, M.; Kluth, T.
Exploiting the Fourier Neural Operator for faster magnetization model evaluations based on the Fokker-Planck equation
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle , 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)Volume9, Page 1-4
DOI:
10.18416/IJMPI.2023.2303003
205
Albers, H.; Thieben, F.; Boberg, M.; Scheffler, K.; Knopp, T.; Kluth, T.
Model-based Calibration and Image Reconstruction with Immobilized Nanoparticles
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle , 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)Volume9, Page 1-5
DOI:
10.18416/IJMPI.2023.2303002
204
Knopp, T.; Jürß, P.; Grosser, M.
A Deep Learning Approach for Automatic Image Reconstruction in MPI
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle , 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)Volume9, Page 1-4
DOI:
10.18416/IJMPI.2023.2303008
203
Ackers, J.; Mohn, F.; Hackelberg, N.; Knopp, T.; Buzug, T. M.; Graeser, M.
Model-based voltage predictions for arbitrary waveform excitation in Magnetic Particle Imaging
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023), Page 9.(1).
March 2023
DOI:
10.18416/IJMPI.2023.2303088
202
Scheffler, K.; Thieben, F.; Mohn, F.; Graeser, M.; Knopp, T.
MPI Signal Performance of Resotran
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023), Page 1-1
File:
https://journal.iwmpi.org/index.php/iwmpi/article/view/584
201
Scheffler, K.; Boberg, M.; Knopp, T.
Hands-free Reconstruction for MPI
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle , 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)Volume9, Page 1-4
DOI:
10.18416/IJMPI.2023.2303025
200
Scheffler, K.; Grosser, M.; Boberg, M.; Knopp, T.
Sparsifying system matrices by combined usage of compressed sensing and extrapolation
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023), Page 1-1
File:
https://journal.iwmpi.org/index.php/iwmpi/article/view/493
199
Boberg, M.; Hunecke, J.; Thieben, F.; Graeser, M.; Knopp, T.
MPI Transfer-Function Estimation with Receive-Coil Coupling
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle , 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)Volume9, Page 1-4
DOI:
10.18416/IJMPI.2023.2303053
198
Boberg, M.; Knopp, T.; Möddel, M.
Reducing displacement artifacts in multi-patch magnetic particle imaging
2023 Contribution to Proceeding In "10th International Congress on Industrial and Applied Mathematics (ICIAM 2023)"
Booktitle 10th International Congress on Industrial and Applied Mathematics (ICIAM 2023), Page 05026
File:
https://iciam2023.org/registered_data?id=00283#05026
197
Möddel, M.; Schlömerkemper, A.; Knopp, T.; Kluth, T.
Limitations of current MPI models in the context of fluid dynamics
2023 Contribution to Proceeding In "12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)"
Booktitle , 12th International Workshop on Magnetic Particle Imaging (IWMPI 2023)Volume9, Page 1-4
DOI:
10.18416/IJMPI.2023.2303078
196
Hackelberg, N.; Schumacher, J.; Graeser, M.; Knopp, T.
A Flexible High-Performance Signal Generation and Digitization Plattform based on Low-Cost Hardware
2022 Contribution to Proceeding In "11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)"
Booktitle , 11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)Volume8, Page 1-4
DOI:
10.18416/IJMPI.2022.2203063
195
Szwargulski, P.; Knopp, T.; Boberg, M.; Salamon, J.; Scheitenberger, V.; Göttsche, T.; Linemann, R.; Wegner, F.; Friedrich, T.; Barkhausen, J.; Buzug, T. M.; Ahlborg, M.
First Complex Trials Using a Dedicated Balloon Catheter for Magnetic Particle Imaging
2022 Contribution to Proceeding In "11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)"
Booktitle , 11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)Volume8, Page 1-4
DOI:
10.18416/IJMPI.2022.2203004
194
Foerger, F.; Scheel, J.-P.; Thieben, F.; Mohn, F.; Knopp, T.; Graeser, M.
Multi-Channel Current Control System for Coupled Multi-Coil Arrays
2022 Contribution to Proceeding In "11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)"
Booktitle , 11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)Volume8, Page 1-3
DOI:
10.18416/IJMPI.2022.2203076
193
Foerger, F.; Boberg, M.; Möddel, M.; Scheel, J.-P.; Graeser, M.; Knopp, T.
Low-Power Iron Selection and Focus Field Generator
2022 Contribution to Proceeding In "11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)"
Booktitle , 11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)Volume8, Page 1-4
DOI:
10.18416/ijmpi.2022.2203065
192
Mohn, F.; Knopp, T.; Graeser, M.
Role of Phase Encoding in Pulsed Magnetic Particle Imaging
2022 Contribution to Proceeding In "11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)"
Booktitle 11th International Workshop on Magnetic Particle Imaging (IWMPI 2022), Page 8.(1)
DOI:
10.18416/IJMPI.2022.2203021
191
Thieben, F.; Foerger, F.; Mohn, F.; Sevecke, F.; Knopp, T.; Graeser, M.
Heat it up: Thermal stabilization by active heating to reduce impedance drifts in capacitive matched networks
2022 Contribution to Proceeding In "11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)"
Booktitle , 11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)Volume8, Page 1-3
DOI:
10.18416/IJMPI.2022.2203014
190
Thieben, F.; Foerger, F.; Boberg, M.; Liebing, T.; Graeser, M.; Möddel, M.; Knopp, T.
Algorithmic Channel Decoupling for Misaligned Receive Coils in Magnetic Particle Imaging
2022 Contribution to Proceeding In "11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)"
Booktitle , 11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)Volume8, Page 1-4
DOI:
10.18416/IJMPI.2022.2203029
189
Thieben, F.; Boberg, M.; Graeser, M.; Knopp, T.
Efficient 3D Drive-Field Characterization for Magnetic Particle Imaging Systems
2022 Contribution to Proceeding In "11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)"
Booktitle , 11th International Workshop on Magnetic Particle Imaging (IWMPI 2022)Volume8, Page 1-4
DOI:
10.18416/IJMPI.2022.2203015
188
Knopp, T.; Grosser, M.
Warmstart Approach for Accelerating Deep Image Prior Reconstruction in Dynamic Tomography
2022 Contribution to Proceeding In "5th International Conference on Medical Imaging with Deep Learning (MIDL 2022)"
Booktitle , 5th International Conference on Medical Imaging with Deep Learning (MIDL 2022)Volume172, Page 713—725
File:
https://proceedings.mlr.press/v172/knopp22a.html

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