Datenwissenschaft

Moderne Methoden der Transmissionselektronenmikroskopie stützen sich bei der Bilderzeugung zunehmend auf ultraschnelle Detektoren und mathematische Algorithmen. Sie ermöglichen es, Informationen über die Probe zu erhalten, die über die Grenzen der traditionellen Elektronenoptik hinausgehen, indem sie enorme Datenmengen in kurzer Zeit im Umfang von mehreren Gigabyte pro Sekunde verarbeiten. Wir entwickeln skalierbare Hochleistungs-Verarbeitungssoftware, die mit solchen Datenraten Schritt halten kann, sowie Tools zur einfachen Verwaltung großer Datensammlungen.

Forschungsthemen

  • Forschungssoftwareentwicklung

kontakt

Dr. Dieter Weber

Scientist at ER-C

  • er-c
Gebäude 05.7 /
Raum 2014
+49 2461/61-85118
E-Mail

Alexander Clausen

Technical staff at ER-C-1

  • er-c
  • er-c-1
Gebäude 05.7 /
Raum 2014
+49 2461/61-85116
E-Mail

Ausgewählte publikationen

Aktuelle Publikationen

Bibliography

Bangun, A., Baumeister, P. F., Clausen, A., Weber, D., & Dunin-Borkowski, R. E. (2023, March). Wigner Distribution Deconvolution Adaptation for Live Ptychography Reconstruction. Microscopy and Microanalysis, 29, 994–1008. doi:10.1093/micmic/ozad021

Bangun, A., Melnyk, O., Marz, B., Diederichs, B., Clausen, A., Weber, D., . . . Muller-Caspary, K. (2022). Inverse Multislice Ptychography by Layer-Wise Optimisation and Sparse Matrix Decomposition. IEEE Transactions on Computational Imaging, 8, 996–1011. doi:10.1109/tci.2022.3218993

Bladt, E., Pivak, Y., Park, J., Weber, D., Jo, J., Basak, S., . . . Sun, H. (2023, July). Metal Electroplating/Stripping and 4D STEM Analysis Revealed by Liquid Phase Transmission Electron Microscopy. Microscopy and Microanalysis, 29, 1304–1305. doi:10.1093/micmic/ozad067.667

Clausen, A., Bryan, M., Pilipp, V., & Weber, D. (2021 – 2023). LiberTEM/LiberTEM-live: 0.1 – 0.2.1. LiberTEM/LiberTEM-live: 0.1 – 0.2.1. Zenodo. doi:10.5281/ZENODO.4916315

Clausen, A., Weber, D., Bryan, M., Ruzaeva, K., Migunov, V., Dagenborg, S., . . . Dunin-Borkowski, R. E. (2018 – 2024). LiberTEM/LiberTEM: 0.1 – 0.14.1. LiberTEM/LiberTEM: 0.1 – 0.14.1. Zenodo. doi:10.5281/ZENODO.1477847

Clausen, A., Weber, D., Ruzaeva, K., Bryan, M., Müller-Caspary, K., & Dunin-Borkowski, R. E. (2020 – 2024). LiberTEM/LiberTEM-blobfinder: 0.4 – 0.6.1. LiberTEM/LiberTEM-blobfinder: 0.4 – 0.6.1. Zenodo. doi:10.5281/ZENODO.3663436

Clausen, A., Weber, D., Ruzaeva, K., Migunov, V., Baburajan, A., Bahuleyan, A., . . . Dunin-Borkowski, R. (2020, June). LiberTEM: Software platform for scalable multidimensional data processing in transmission electron microscopy. Journal of Open Source Software, 5, 2006. doi:10.21105/joss.02006

Landers, D., Clancy, I., Dunin-Borkowski, R. E., Weber, D., & Stewart, A. (2023, August). TEMGYM Advanced: Software for electron lens aberrations and parallelised electron ray tracing. Ultramicroscopy, 250, 113738. doi:10.1016/j.ultramic.2023.113738

Landers, D., Clancy, I., Dunin-Borkowski, R. E., Weber, D., & Stewart, A. A. (2023, June). TEMGYM Advanced – NanoMi lens characterisation. Micron, 169, 103450. doi:10.1016/j.micron.2023.103450

Landers, D., Clancy, I., Weber, D., Dunin-Borkowski, R. E., & Stewart, A. (2023, July). TEMGYM Basic: transmission electron microscopy simulation software for teaching and training of microscope operation. Journal of Applied Crystallography, 56, 1267–1276. doi:10.1107/s1600576723005174

Oberaigner, M., Clausen, A., Weber, D., Kothleitner, G., Dunin-Borkowski, R. E., & Knez, D. (2023, January). Online Thickness Determination with Position Averaged Convergent Beam Electron Diffraction using Convolutional Neural Networks. Microscopy and Microanalysis, 29, 427–436. doi:10.1093/micmic/ozac050

Park, J., Dutta, S., Sun, H., Jo, J., Karanth, P., Weber, D., . . . Eichel, R.‐A. (2024, April). Toward Quantitative Electrodeposition via In Situ Liquid Phase Transmission Electron Microscopy: Studying Electroplated Zinc Using Basic Image Processing and 4D STEM. Small Methods, 8. doi:10.1002/smtd.202400081

Rosi, P., Clausen, A., Weber, D., Tavabi, A. H., Frabboni, S., Tiemeijer, P., . . . Grillo, V. (2023, January). Automatic Alignment of an Orbital Angular Momentum Sorter in a Transmission Electron Microscope Using a Convolutional Neural Network. Microscopy and Microanalysis, 29, 408–417. doi:10.1017/s143192762201248x

Strauch, A., Clausen, A., Weber, D., & Müller-Caspary, K. (2021). High-resolution 4D STEM dataset of SrTiO3 along the [1 0 0] axis at high magnification. High-resolution 4D STEM dataset of SrTiO3 along the [1 0 0] axis at high magnification. Zenodo. doi:10.5281/ZENODO.5113449

Strauch, A., Weber, D., Clausen, A., & Müller-Caspary, K. (2021). Synthetic 4D STEM dataset based on a SrTiO3 supercell with two additional artificial spatial frequencies. Synthetic 4D STEM dataset based on a SrTiO3 supercell with two additional artificial spatial frequencies. Zenodo. doi:10.5281/ZENODO.5113235

Strauch, A., Weber, D., Clausen, A., Lesnichaia, A., Bangun, A., März, B., . . . Müller-Caspary, K. (2021, August). Live Processing of Momentum-Resolved STEM Data for First Moment Imaging and Ptychography. Microscopy and Microanalysis, 27, 1078–1092. doi:10.1017/s1431927621012423

Weber, D., Clausen, A., & Dunin-Borkowski, R. E. (2020, March). Next-Generation Information Technology Systems for Fast Detectors in Electron Microscopy. In Handbook on Big Data and Machine Learning in the Physical Sciences(pp. 83–120). World Scientific. doi:10.1142/9789811204579_0005

Weber, D., Ehrig, S., Schropp, A., Clausen, A., Achilles, S., Hoffmann, N., . . . Schroer, C. G. (2024, February). Live Iterative Ptychography. Microscopy and Microanalysis, 30, 103–117. doi:10.1093/mam/ozae004

Weber, D., Landers, D., Huang, C., Liberti, E., Poghosyan, E., Bryan, M., . . . Dunin-Borkowski, R. E. (2024). Calibrating coordinate system alignment in a scanning transmission electron microscope using a digital twin. Calibrating coordinate system alignment in a scanning transmission electron microscope using a digital twin. arXiv. doi:10.48550/ARXIV.2403.08538

Weber, D., Lesnichaia, A., Strauch, A., Clausen, A., Bangun, A., Melnyk, O., . . . Müller-Caspary, K. (2021). Ptychography 4.0: 0.1.0. Ptychography 4.0: 0.1.0. Zenodo. doi:10.5281/ZENODO.5055126

Letzte Änderung: 07.04.2025