Multiple-frequency DBIM-TwIST algorithm for microwave breast imaging

Z Miao, P Kosmas - IEEE Transactions on Antennas and …, 2017 - ieeexplore.ieee.org
A novel distorted Born iterative method (DBIM) algorithm is proposed for microwave breast
imaging based on the two-step iterative shrinkage/thresholding method. We show that this …

Microwave medical imaging based on sparsity and an iterative method with adaptive thresholding

M Azghani, P Kosmas, F Marvasti - IEEE transactions on …, 2014 - ieeexplore.ieee.org
We propose a new image recovery method to improve the resolution in microwave imaging
applications. Scattered field data obtained from a simplified breast model with closely …

A two-stage DNN model with mask-gated convolution for automotive radar interference detection and mitigation

S Chen, J Taghia, U Kühnau, N Pohl… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
As the number of radar sensors on the road increases rapidly and many of these sensors
share the same frequency spectrum, mutual interference cannot be avoided. This paper …

Sparse signal recovery using iterative proximal projection

F Ghayem, M Sadeghi, M Babaie-Zadeh… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
This paper is concerned with designing efficient algorithms for recovering sparse signals
from noisy underdetermined measurements. More precisely, we consider minimization of a …

Automotive radar interference reduction based on sparse Bayesian learning

S Chen, J Taghia, U Kühnau, T Fei… - 2020 IEEE Radar …, 2020 - ieeexplore.ieee.org
Automotive radar plays an important role in advanced driver assistant systems to support
level-2 automated driving functions. However, the mutual interference between automotive …

Off-grid localization in MIMO radars using sparsity

A Abtahi, S Gazor, F Marvasti - IEEE Signal Processing Letters, 2018 - ieeexplore.ieee.org
In this letter, we propose a new accurate approach for target localization in multiple-input
multiple-output (MIMO) radars, which exploits the sparse spatial distribution of targets to …

Coherent multistatic MIMO radar networks based on repeater tags

B Meinecke, M Steiner… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In this paper, a coherent multistatic radar network with a novel system architecture is
presented, which circumvents the general problems of clock distribution and phase noise …

Iterative 2D sparse signal reconstruction with masked residual updates for automotive radar interference mitigation

S Chen, P Stockel, J Taghia, U Kühnau… - EURASIP Journal on …, 2022 - Springer
Compressive sensing has attracted considerable attention in automotive radar interference
mitigation. However, these algorithms usually cannot be applied directly to commercial …

Sparse signal processing

M Azghani, F Marvasti - … Approximation and Sampling Theory: Festschrift in …, 2014 - Springer
Conventional sampling techniques are based on Shannon-Nyquist theory which states that
the required sampling rate for perfect recovery of a band-limited signal is at least twice its …

Level crossing speech sampling and its sparsity promoting reconstruction using an iterative method with adaptive thresholding

MB Mashhadi, N Salarieh, ES Farahani… - IET Signal …, 2017 - Wiley Online Library
The authors propose asynchronous level crossing (LC) A/D converters for low redundancy
voice sampling. They propose to utilise the family of iterative methods with adaptive …