Results 1 to 10 of about 944 (133)

A Hybrid Random Forest-SARSA Framework for Resting-State EEG-Based Parkinson's Disease Detection With Temporal Decision Refinement. [PDF]

open access: yesBrain Behav
The graphical abstract gives an overview of the proposed RF‐SARSA framework used for offline Parkinson's disease and healthy‐control classification from resting‐state EEG signals. The EEG recordings are first cleaned through basic preprocessing steps and then divided into 2‐second windows.
S S, Rajan SE.
europepmc   +2 more sources

Modeling Peak Expiratory Flow in Patients With Asthma and Quantifying Treatment Effects Using a Mixed-Effects Hidden Markov Model. [PDF]

open access: yesCPT Pharmacometrics Syst Pharmacol
ABSTRACT Clinical trials in asthma and chronic obstructive pulmonary disease often use exacerbation risk as the primary endpoint. However, exacerbations occur with low frequency, leading to long and costly clinical trials. Home‐measured spirometry, which is becoming more common, provides an alternative and has previously been used to shorten the ...
Jakobsson L   +4 more
europepmc   +2 more sources

Ringed Seal (<i>Pusa hispida</i>) Haul-Out Behavior and Emergence Timing in the Bering, Chukchi, and Beaufort Seas. [PDF]

open access: yesEcol Evol
In the spring, ringed seals (Pusa hispida) shift from predominantly hauling out in lairs to predominantly hauling out on the surface of the sea ice to bask and molt, a transition we refer to as “emergence.” We used hidden Markov models (HMMs) to analyze haul‐out timelines from satellite‐linked transmitters to estimate emergence dates of ringed seals ...
Lindsay JM   +6 more
europepmc   +2 more sources

Trellis-Coded Modulation-Enabled Probabilistic Shaping With Simplified Viterbi Decoder for Bandwidth-Limited IMDD Systems

open access: yesIEEE Photonics Journal, 2023
In this article, trellis-coded modulation-enabled probabilistic shaping (TEPS) scheme with a simplified Viterbi decoder is proposed. Trellis-coded modulation (TCM) is embedded in the probabilistic shaping (PS) technique to improve the performance of PS ...
Han Cui   +5 more
doaj   +1 more source

FPGA-based structurally improved(2,1,4) Viterbi decoder

open access: yesDianzi Jishu Yingyong, 2020
The implementation of high-performance Viterbi decoding algorithm in resource-constrained processors is a hot topic in recent years. This paper is based on the XC6SLX16-2CSG324 type FPGA processor.
Wu Xueling, Jiang Hong
doaj   +1 more source

Performance Improvement of Space Missions Using Convolutional Codes by CRC-Aided List Viterbi Algorithms

open access: yesIEEE Access, 2023
Recently, CRC-aided list decoding of convolutional codes has gained attention thanks to its remarkable performance in the short blocklength regime. This paper studies the convolutional and CRC codes of the Consultative Committee for Space Data System ...
Riccardo Schiavone   +2 more
doaj   +1 more source

Deep Ensemble of Weighted Viterbi Decoders for Tail-Biting Convolutional Codes

open access: yesEntropy, 2021
Tail-biting convolutional codes extend the classical zero-termination convolutional codes: Both encoding schemes force the equality of start and end states, but under the tail-biting each state is a valid termination.
Tomer Raviv   +2 more
doaj   +1 more source

A Form of List Viterbi Algorithm for Decoding Convolutional Codes

open access: yesU.Porto Journal of Engineering, 2018
Viterbi algorithm is a maximum likelihood decoding algorithm. It is used to decode convolutional code in several wireless communication systems, including Wi-Fi.
Shamsuddeen Hassan Muhammad   +1 more
doaj   +1 more source

ANN-Assisted Real-Time Blind Signal Detection Over Time-Varying Doubly-Stochastic Poisson Channel for Indoor Optical Wireless Communications

open access: yesIEEE Photonics Journal, 2020
In this letter, we present a new real-time blind signal detection technique for indoor optical communications using a supervised learning framework in an artificial neural network (ANN).
Sudhanshu Arya, Yeon Ho Chung
doaj   +1 more source

A Soft-Output STBC Decoder for Aeronautical Telemetry

open access: yesJournal of Telecommunications and Information Technology, 2020
Alamouti encoding is a well-known space time block encoding technique used to improve the received signal quality in Rayleigh fading channels. In aeronautical telemetry, this encoding technique is applied to shaped offset quadrature phase shift keying ...
Yves Louet   +2 more
doaj   +1 more source

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