Results 21 to 30 of about 34,534 (182)

Deterministic Sensing Matrices in Compressive Sensing: A Survey

open access: yesThe Scientific World Journal, 2013
Compressive sensing is a sampling method which provides a new approach to efficient signal compression and recovery by exploiting the fact that a sparse signal can be suitably reconstructed from very few measurements.
Thu L. N. Nguyen, Yoan Shin
doaj   +1 more source

A software companion for compressively sensed time–frequency processing of sparse nonstationary signals

open access: yesSoftwareX, 2018
Compressive sensing is a computational framework for acquisition and processing of sparse signals at sampling rates below the rates mandated by the Nyquist sampling theorem.
Ervin Sejdić   +2 more
doaj   +1 more source

"Compressed" Compressed Sensing

open access: yes, 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   +2 more sources

A New Method for EEG Compressive Sensing

open access: yesAdvances in Electrical and Computer Engineering, 2012
The paper investigates the possibility of using compressive sensing techniques for the acquisition and reconstruction of EEG signals containing the evoked potential P300. A method of EEG compressive sensing based on the physiological correlation of EEG
FIRA, M., GORAS, L.
doaj   +1 more source

Efficient Lossy Compression for Compressive Sensing Acquisition of Images in Compressive Sensing Imaging Systems

open access: yesSensors, 2014
Compressive Sensing Imaging (CSI) is a new framework for image acquisition, which enables the simultaneous acquisition and compression of a scene. Since the characteristics of Compressive Sensing (CS) acquisition are very different from traditional image
Xiangwei Li   +4 more
doaj   +1 more source

Adaptive compressive sensing of images using error between blocks

open access: yesInternational Journal of Distributed Sensor Networks, 2018
Block compressive sensing of image results in blocking artifacts and blurs when reconstructing images. To solve this problem, we propose an adaptive block compressive sensing framework using error between blocks.
Ran Li, Xiaomeng Duan, Yongfeng Lv
doaj   +1 more source

Wideband Spectrum Sensing: A Bayesian Compressive Sensing Approach

open access: yesSensors, 2018
Sensing the wideband spectrum is an important process for next-generation wireless communication systems. Spectrum sensing primarily aims at detecting unused spectrum holes over wide frequency bands so that secondary users can use them to meet their ...
Youness Arjoune, Naima Kaabouch
doaj   +1 more source

A compressive data gathering method based on El Gamal cryptography

open access: yesDianxin kexue, 2019
As a hot researching area,compressive sensing has advantages in signal process,image processing and data gathering and analysis.How to effectively and safely apply compressive sensing technology to collect data in wireless sensor networks is studied ...
Xiaohan YU   +3 more
doaj   +2 more sources

Spectrum sensing techniques for 5G wireless networks: Mini review

open access: yesSensors International, 2022
Cognitive radio (CR) is a leading candidate for addressing spectrum constraints and is a key component of fifth-generation (5G) communications. For optimum usage of accessible unused spectrum, spectrum sensing is a critical aspect of CR.
RS Koteeshwari, B. Malarkodi
doaj   +1 more source

Compressive Sensing Image Sensors-Hardware Implementation

open access: yesSensors, 2013
The compressive sensing (CS) paradigm uses simultaneous sensing and compression to provide an efficient image acquisition technique. The main advantages of the CS method include high resolution imaging using low resolution sensor arrays and faster image ...
Shahram Shirani   +2 more
doaj   +1 more source

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