Structured overcomplete sparsifying transform learning with convergence guarantees and applications
In recent years, sparse signal modeling, especially using the synthesis model has been
popular. Sparse coding in the synthesis model is however, NP-hard. Recently, interest has …
popular. Sparse coding in the synthesis model is however, NP-hard. Recently, interest has …
Simultaneous detection of multiple appliances from smart-meter measurements via multi-label consistent deep dictionary learning and deep transform learning
Currently there are several well-known approaches to non-intrusive appliance load
monitoring-rule based, stochastic finite state machines, neural networks, and sparse coding …
monitoring-rule based, stochastic finite state machines, neural networks, and sparse coding …
PWLS-ULTRA: An efficient clustering and learning-based approach for low-dose 3D CT image reconstruction
The development of computed tomography (CT) image reconstruction methods that
significantly reduce patient radiation exposure, while maintaining high image quality is an …
significantly reduce patient radiation exposure, while maintaining high image quality is an …
Online sparsifying transform learning—Part I: Algorithms
Techniques exploiting the sparsity of signals in a transform domain or dictionary have been
popular in signal processing. Adaptive synthesis dictionaries have been shown to be useful …
popular in signal processing. Adaptive synthesis dictionaries have been shown to be useful …
Data-driven learning of a union of sparsifying transforms model for blind compressed sensing
S Ravishankar, Y Bresler - IEEE Transactions on Computational …, 2016 - ieeexplore.ieee.org
Compressed sensing is a powerful tool in applications such as magnetic resonance imaging
(MRI). It enables accurate recovery of images from highly undersampled measurements by …
(MRI). It enables accurate recovery of images from highly undersampled measurements by …
Kernelized transformed subspace clustering with geometric weights for non-linear manifolds
J Maggu, A Majumdar - Neurocomputing, 2023 - Elsevier
The naive assumption of subspace clustering is that the data should be separable into
separate subspaces. Another consideration of the conventional subspace clustering …
separate subspaces. Another consideration of the conventional subspace clustering …
Disaggregating transform learning for non-intrusive load monitoring
M Gaur, A Majumdar - IEEE Access, 2018 - ieeexplore.ieee.org
This paper addresses the problem of energy disaggregation/non-intrusive load monitoring. It
introduces a new method based on the transform learning formulation. Several recent …
introduces a new method based on the transform learning formulation. Several recent …
[图书][B] Compressed sensing for engineers
A Majumdar - 2018 - taylorfrancis.com
Compressed Sensing (CS) in theory deals with the problem of recovering a sparse signal
from an under-determined system of linear equations. The topic is of immense practical …
from an under-determined system of linear equations. The topic is of immense practical …
Video denoising by online 3D sparsifying transform learning
Exploiting the sparsity of signals in an adaptive dictionary or transform domain benefits
various applications in image/video processing. As opposed to synthesis dictionary learning …
various applications in image/video processing. As opposed to synthesis dictionary learning …
Scale-space multi-view bag of words for scene categorization
D Giveki - Multimedia Tools and Applications, 2021 - Springer
As a widely-used method in the image categorization tasks, the Bag-of-Words (BoW) method
still suffers from many limitations such as overlooking spatial information. In this paper, we …
still suffers from many limitations such as overlooking spatial information. In this paper, we …