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Generalized sparse codes for non-Gaussian channels: Code design, algorithms, and applications [PDF]

open access: yesFundamental Research, 2022
In this paper, generalized sparse (GS) codes are proposed to support reliable and efficient transmission over non-Gaussian channels. Specifically, by expanding the single-parity check (SPC) code constraints with powerful algebraic codes, GS codes ...
Zhao Chen   +3 more
doaj   +4 more sources

A Protocol Design Paradigm for Batched Sparse Codes [PDF]

open access: yesEntropy, 2020
Internet of Things (IoT) connects billions of everyday objects to the Internet. The mobility of devices can be facilitated by means of employing multiple wireless links.
Hoover H. F. Yin   +2 more
doaj   +2 more sources

Degeneracy and Its Impact on the Decoding of Sparse Quantum Codes

open access: yesIEEE Access, 2021
The well-documented capacity-approaching performance of sparse codes in the realm of classical communications has inspired the search for their quantum counterparts.
Patricio Fuentes   +3 more
doaj   +3 more sources

Sparse coding models can exhibit decreasing sparseness while learning sparse codes for natural images. [PDF]

open access: yesPLoS Computational Biology, 2013
The sparse coding hypothesis has enjoyed much success in predicting response properties of simple cells in primary visual cortex (V1) based solely on the statistics of natural scenes. In typical sparse coding models, model neuron activities and receptive
Joel Zylberberg, Michael Robert DeWeese
doaj   +2 more sources

Learning dictionaries of sparse codes of 3D movements of body joints for real-time human activity understanding. [PDF]

open access: yesPLoS ONE, 2014
Real-time human activity recognition is essential for human-robot interactions for assisted healthy independent living. Most previous work in this area is performed on traditional two-dimensional (2D) videos and both global and local methods have been ...
Jin Qi, Zhiyong Yang
doaj   +2 more sources

Neuronal allocation and sparse coding of episodic memories in the human hippocampus [PDF]

open access: yesScientific Reports
Neurocomputational models hold that individual episodic memories are represented by a sparse, pattern-separated coding scheme in the hippocampus. Animal studies further suggest that the allocation of neurons to such codes is non-random and may be biased ...
Catherine W. Tallman   +2 more
doaj   +2 more sources

Finite-rate sparse quantum codes aplenty [PDF]

open access: yesQuantum, 2023
We introduce a methodology for generating random multi-qubit stabilizer codes based on solving a constraint satisfaction problem (CSP) on random bipartite graphs.
Maxime Tremblay   +2 more
doaj   +1 more source

Quantum sparse coding

open access: yesQuantum Machine Intelligence, 2022
Abstract The ultimate goal of any sparse coding method is to accurately recover from a few noisy linear measurements, an unknown sparse vector. Unfortunately, this estimation problem is NP-hard in general, and it is therefore always approached with an approximation method, such as lasso or orthogonal matching pursuit, thus trading off accuracy ...
Yaniv Romano   +7 more
openaire   +2 more sources

On the Logical Error Rate of Sparse Quantum Codes

open access: yesIEEE Transactions on Quantum Engineering, 2022
The quantum paradigm presents a phenomenon known as degeneracy that can potentially improve the performance of quantum error correcting codes. However, the effects of this mechanism are sometimes ignored when evaluating the performance of sparse quantum ...
Patricio Fuentes   +3 more
doaj   +1 more source

Neural network detector with sparse codes for spin transfer torque magnetic random access memory

open access: yesCogent Engineering, 2023
This paper presents leveraging the neural network detector to improve the performance of a spin transfer torque magnetic random-access memory (STT-MRAM), where the sparse coding scheme is also applied to protect the user data for the asymmetric write ...
Chi Dinh Nguyen
doaj   +1 more source

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