Sebastian Semper
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Grid-free direction-of-arrival estimation with compressed sensing and arbitrary antenna arrays
S Semper, F Roemer, T Hotz, G Del Galdo
2018 IEEE International Conference on Acoustics, Speech and Signal …, 2018
Monitoring the spread of COVID-19 by estimating reproduction numbers over time
T Hotz, M Glock, S Heyder, S Semper, A Böhle, A Krämer
arXiv preprint arXiv:2004.08557, 2020
Sparsity order estimation from a single compressed observation vector
S Semper, F Römer, T Hotz, G DelGaldo
IEEE Transactions on Signal Processing 66 (15), 3958-3971, 2018
Fast linear transformations in python
CW Wagner, S Semper, J Kirchhof
arXiv preprint arXiv:1710.09578, 2017
High resolution parameter estimation for wideband radio channel sounding
S Semper, M Döbereiner, C Steinmetz, M Landmann, RS Thomä
IEEE Transactions on Antennas and Propagation, 2023
Frequency subsampling of ultrasound nondestructive measurements: acquisition, reconstruction, and performance
J Kirchhof, S Semper, CW Wagner, E Pérez, F Römer, G Del Galdo
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 68 …, 2021
ADMM for ND line spectral estimation using grid-free compressive sensing from multiple measurements with applications to DOA estimation
S Semper, F Römer
ICASSP 2019-2019 IEEE International Conference on Acoustics, Speech and …, 2019
Defect detection from 3D ultrasonic measurements using matrix-free sparse recovery algorithms
S Semper, J Kirchhof, C Wagner, F Krieg, F Römer, A Osman, ...
2018 26th European Signal Processing Conference (EUSIPCO), 1700-1704, 2018
Defect detection from compressed 3-D ultrasonic frequency measurements
S Semper, J Kirchhof, C Wagner, F Krieg, F Roemer, G Del Galdo
2019 27th European Signal Processing Conference (EUSIPCO), 1-5, 2019
GPU-accelerated matrix-free 3D ultrasound reconstruction for nondestructive testing
J Kirchhof, S Semper, F Römer
2018 IEEE International Ultrasonics Symposium (IUS), 1-4, 2018
Hardware architecture for ultra-wideband channel impulse response measurements using compressed sensing
CW Wagner, S Semper, F Römer, A Schönfeld, G Del Galdo
2020 28th European Signal Processing Conference (EUSIPCO), 1663-1667, 2021
Total focusing method with subsampling in space and frequency domain for ultrasound NDT
E Pérez, J Kirchhof, S Semper, F Krieg, F Römer
2019 IEEE International Ultrasonics Symposium (IUS), 2103-2106, 2019
Verification of THz Channel Sounder and Delay Estimation with Over-The-Air Multipath Artifact
D Dupleich, S Semper, MD Al-Dabbagh, A Ebert, T Kleine-Ostmann, ...
2022 16th European Conference on Antennas and Propagation (EuCAP), 1-5, 2022
eadf: Representation of far-field antenna responses in Python
S Semper, M Döbereiner, S Pawar, M Landmann, G Del Galdo
SoftwareX 12, 100583, 2020
Combining matrix design for 2D DoA estimation with compressive antenna arrays using stochastic gradient descent
S Pawar, S Semper, F Römer
ICASSP 2019-2019 IEEE International Conference on Acoustics, Speech and …, 2019
Time Variant Directional Multi-Link Channel Sounding and Estimation for V2X
D Stanko, M Döbereiner, G Sommerkorn, D Czaniera, C Andrich, ...
2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring), 1-5, 2023
Cramér-Rao Bounds for Flaw Localization in Subsampled Multistatic Multichannel Ultrasound NDT Data
E Pérez, J Kirchhof, S Semper, F Krieg, F Römer
ICASSP 2020-2020 IEEE International Conference on Acoustics, Speech and …, 2020
Compressive spatial channel sounding
M Ibrahim, W Al-Aqqad, F Romer, M Kaske, S Semper, RS Thoma, ...
IET Digital Library, 2018
Estimating multi-modal dense multipath components using auto-encoders
S Schieler, M Döbereiner, S Semper, M Landmann
2022 30th European Signal Processing Conference (EUSIPCO), 1716-1720, 2022
fastmat: Efficient linear transforms in Python
CW Wagner, S Semper, J Kirchhof
SoftwareX 18, 101013, 2022
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