Results 41 to 50 of about 2,932,031 (355)

ISTA-Net: Interpretable Optimization-Inspired Deep Network for Image Compressive Sensing

open access: yes2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2017
With the aim of developing a fast yet accurate algorithm for compressive sensing (CS) reconstruction of natural images, we combine in this paper the merits of two existing categories of CS methods: the structure insights of traditional optimization-based
Jian Zhang, Bernard Ghanem
semanticscholar   +1 more source

Convolutional Neural Network-Based Multiple-Rate Compressive Sensing for Massive MIMO CSI Feedback: Design, Simulation, and Analysis [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2019
Massive multiple-input multiple-output (MIMO) is a promising technology to increase link capacity and energy efficiency. However, these benefits are based on available channel state information (CSI) at the base station (BS).
Jiajia Guo   +3 more
semanticscholar   +1 more source

“Compressed” compressed sensing

open access: yes2010 IEEE International Symposium on Information Theory, 2010
The field of compressed sensing has shown that a sparse but otherwise arbitrary vector can be recovered exactly from a small number of randomly constructed linear projections (or samples). The question addressed in this paper is whether an even smaller number of samples is sufficient when there exists prior knowledge about the distribution of the ...
Reeves, Galen, Gastpar, Michael
openaire   +4 more sources

Optimization-Inspired Compact Deep Compressive Sensing

open access: yesIEEE Journal on Selected Topics in Signal Processing, 2020
In order to improve CS performance of natural images, in this paper, we propose a novel framework to design an OPtimization-INspired Explicable deep Network, dubbed OPINE-Net, for adaptive sampling and recovery.
Jian Zhang, Chen Zhao, Wen Gao
semanticscholar   +1 more source

Compressed wavefront sensing [PDF]

open access: yesOptics Letters, 2014
We report on an algorithm for fast wavefront sensing that incorporates sparse representation for the first time in practice. The partial derivatives of optical wavefronts were sampled sparsely with a Shack-Hartman wavefront sensor (SHWFS) by randomly subsampling the original SHWFS data to as little as 5%.
Ryan P. McNabb   +3 more
openaire   +3 more sources

Image Watermarking pada Citra Medis menggunakan Compressive Sensing berbasis Stationary Wavelet Transform

open access: yesJurnal Elkomika, 2020
ABSTRAK Watermarking pada citra medis dilakukan untuk melindungi hak kepemilikan dan keaslian sebuah citra medis. Proses embedding dan extraction dirancang menggunakan metode Stationary Wavelet Transform (SWT) dan Statistical Mean Manipulation (SMM ...
YASQI HAFIZHANA   +3 more
doaj   +1 more source

COMPRESSIVE SENSING

open access: yesInternational Journal of Engineering Technologies and Management Research, 2020
Compressive sensing is a relatively new technique in the signal processing field which allows acquiring signals while taking few samples. It works on two principles: sparsity, which pertains to the signals of interest, and incoherence, which pertains to the sensing modality.
openaire   +3 more sources

SPECTRUM SENSING OF WIDE BAND SIGNALS BASED ON ENERGY DETECTION WITH COMPRESSIVE SENSING

open access: yesJournal of Engineering and Sustainable Development, 2020
Compressive sensing (CS) technique is used to solve the problem of high sampling rate with wide band signal spectrum sensing where high speed analogue to digital converter is needed to do that. This leads to difficult hardware implementation, large time
Ali Mohammad A. AL-Hussain   +1 more
doaj   +3 more sources

Analysis of the Measurement Matrix in Directional Predictive Coding for Compressive Sensing of Medical Images

open access: yesELCVIA Electronic Letters on Computer Vision and Image Analysis, 2022
Compressive sensing of 2D signals involves three fundamental steps: sparse representation, linear measurement matrix, and recovery of the signal. This paper focuses on analyzing the efficiency of various measurement matrices for compressive sensing of ...
Hepzibah Christinal A   +4 more
doaj   +1 more source

Sequential Compressed Sensing [PDF]

open access: yesIEEE Journal of Selected Topics in Signal Processing, 2010
Compressed sensing allows perfect recovery of sparse signals (or signals sparse in some basis) using only a small number of random measurements. Existing results in compressed sensing literature have focused on characterizing the achievable performance by bounding the number of samples required for a given level of signal sparsity. However, using these
Malioutov, Dmitry M.   +2 more
openaire   +4 more sources

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