A tutorial on sparse signal reconstruction and its applications in signal processing

L Stanković, E Sejdić, S Stanković, M Daković… - Circuits, Systems, and …, 2019‏ - Springer
Sparse signals are characterized by a few nonzero coefficients in one of their transformation
domains. This was the main premise in designing signal compression algorithms …

Analysis of the reconstruction of sparse signals in the DCT domain applied to audio signals

L Stanković, M Brajović - IEEE/ACM Transactions on Audio …, 2018‏ - ieeexplore.ieee.org
Sparse signals can be reconstructed from a reduced set of signal samples using
compressive sensing (CS) methods. The discrete cosine transform (DCT) can provide highly …

On the reconstruction of nonsparse time-frequency signals with sparsity constraint from a reduced set of samples

I Stanković, C Ioana, M Daković - Signal Processing, 2018‏ - Elsevier
Nonstationary signals, approximately sparse in the joint time-frequency domain, are
considered. Reconstruction of such signals with sparsity constraint is analyzed in this paper …

On the errors in randomly sampled nonsparse signals reconstructed with a sparsity assumption

L Stanković, M Daković, I Stanković… - IEEE Geoscience and …, 2017‏ - ieeexplore.ieee.org
An analysis of errors in the reconstruction of approximately sparse and nonsparse noisy
signals in the discrete Fourier transform domain is considered in this letter. Signal …

Compressive sensing of sparse signals in the Hermite transform basis

M Brajović, I Orović, M Daković… - IEEE Transactions on …, 2017‏ - ieeexplore.ieee.org
An analysis of the influence of missing samples in signals exhibiting sparsity in the Hermite
transform domain is presented. Based on the statistical properties derived for the Hermite …

Error in the reconstruction of nonsparse images

M Brajović, I Stanković, M Daković… - Mathematical …, 2018‏ - Wiley Online Library
Sparse signals, assuming a small number of nonzero coefficients in a transformation
domain, can be reconstructed from a reduced set of measurements. In practical applications …

Bit-depth quantization and reconstruction error in digital images

I Stanković, M Brajović, M Daković, C Ioana… - Signal, Image and Video …, 2020‏ - Springer
Digital images can be considered as sparse or approximately sparse in the two-dimensional
discrete cosine transform domain. According to the compressive sensing theory, these …

Analysis of off-grid effects in wideband sonar images using compressive sensing

I Stanković, C Ioana, M Daković… - OCEANS 2018 MTS …, 2018‏ - ieeexplore.ieee.org
In this paper an analysis of sparse wideband sonar images, obtained using compressive
sensing reconstruction methods, for generally positioned off-grid targets, is presented. An …

Analysis of noise and nonsparsity in the ISAR image recovery from a reduced set of data

L Stankovi, I Stankovi, M Dakovi - 2016 4th International …, 2016‏ - ieeexplore.ieee.org
Sparse inverse synthetic aperture radar (ISAR) images can be reconstructed using a
reduced set of data and compressive sensing based theory. In real cases the ISAR images …

Time-frequency signal reconstruction of nonsparse audio signals

I Stanković, M Daković, C Ioana - 2017 22nd International …, 2017‏ - ieeexplore.ieee.org
In this paper, the reconstruction of non-stationary audio signals is considered. Audio signals
are approximately sparse in the joint time-frequency representation domain. The …