A review of deep learning methods for compressed sensing image reconstruction and its medical applications

Y **e, Q Li - Electronics, 2022 - mdpi.com
Compressed sensing (CS) and its medical applications are active areas of research. In this
paper, we review recent works using deep learning method to solve CS problem for images …

Introducing nonuniform sparse proximal averaging network for seismic reflectivity inversion

S Mache, PK Pokala, K Rajendran… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
We consider the problem of seismic reflectivity inversion, which pertains to the high-
resolution recovery of interface locations and reflection coefficients from seismic …

Quantized proximal averaging networks for compressed image recovery

NKK Reddy, MM Bulusu, PK Pokala… - Proceedings of the …, 2023 - openaccess.thecvf.com
We solve the analysis sparse coding problem considering a combination of convex and non-
convex sparsity promoting penalties. The multi-penalty formulation results in an iterative …

External Division of Two Proximity Operators: An Application to Signal Recovery with Structured Sparsity

K Suzuki, M Yukawa - ICASSP 2024-2024 IEEE International …, 2024 - ieeexplore.ieee.org
This paper studies the external division operator, an external division (an affine combination
with positive and negative weights) of two proximity operators. We show that the external …

DuRIN: A deep-unfolded sparse seismic reflectivity inversion network

S Mache, PK Pokala, K Rajendran… - arxiv preprint arxiv …, 2021 - arxiv.org
We consider the reflection seismology problem of recovering the locations of interfaces and
the amplitudes of reflection coefficients from seismic data, which are vital for estimating the …

Tight-Frame-Like Analysis-Sparse Recovery Using Nontight Sensing Matrices

KKR Nareddy, AJ Kamath, CS Seelamantula - SIAM Journal on Imaging …, 2024 - SIAM
The choice of the sensing matrix is crucial in compressed sensing. Random Gaussian
sensing matrices satisfy the restricted isometry property, which is crucial for solving the …

Learning to sample: Data-driven sampling and reconstruction of FRI signals

S Mulleti, H Zhang, YC Eldar - IEEE Access, 2023 - ieeexplore.ieee.org
Finite-rate-of-innovation (FRI) signal model is well suited for time-of-flight imaging
applications such as ultrasound, lidar, sonar, radar, and more. Due to their finite degrees of …

NuSPAN: A Proximal Average Network for Nonuniform Sparse Model--Application to Seismic Reflectivity Inversion

S Mache, PK Pokala, K Rajendran… - arxiv preprint arxiv …, 2021 - arxiv.org
We solve the problem of sparse signal deconvolution in the context of seismic reflectivity
inversion, which pertains to high-resolution recovery of the subsurface reflection coefficients …

Sparsity driven latent space sampling for generative prior based compressive sensing

V Killedar, PK Pokala… - ICASSP 2021-2021 IEEE …, 2021 - ieeexplore.ieee.org
We address the problem of recovering signals from compressed measurements based on
generative priors. Recently, generative-model based compressive sensing (GMCS) methods …

Tight-frame-like Sparse Recovery Using Non-tight Sensing Matrices

KKR Nareddy, AJ Kamath, CS Seelamantula - arxiv preprint arxiv …, 2023 - arxiv.org
The choice of the sensing matrix is crucial in compressed sensing (CS). Gaussian sensing
matrices possess the desirable restricted isometry property (RIP), which is crucial for …