Results 1 to 10 of about 45,363 (158)

Special Functions of Fractional Calculus in the Form of Convolution Series and Their Applications

open access: yesMathematics, 2021
In this paper, we first discuss the convolution series that are generated by Sonine kernels from a class of functions continuous on a real positive semi-axis that have an integrable singularity of power function type at point zero.
Yuri Luchko
doaj   +3 more sources

Improved features using convolution-augmented transformers for keyword spotting [PDF]

open access: yesITM Web of Conferences, 2022
Transformer can effectively model long rang dependency, but suffer from uncapable to extract local feature patterns. While CNNs exploit local features effectively.
Wang Yi   +4 more
doaj   +1 more source

Operational Calculus for the General Fractional Derivatives of Arbitrary Order

open access: yesMathematics, 2022
In this paper, we deal with the general fractional integrals and the general fractional derivatives of arbitrary order with the kernels from a class of functions that have an integrable singularity of power function type at the origin.
Maryam Al-Kandari   +2 more
doaj   +1 more source

Sequence Image Datasets Construction via Deep Convolution Networks

open access: yesRemote Sensing, 2021
Remote-sensing time-series datasets are significant for global change research and a better understanding of the Earth. However, remote-sensing acquisitions often provide sparse time series due to sensor resolution limitations and environmental factors ...
Xing Jin, Ping Tang, Zheng Zhang
doaj   +1 more source

Multivariate Time Series Deep Spatiotemporal Forecasting with Graph Neural Network

open access: yesApplied Sciences, 2022
Multivariate time series forecasting has long been a subject of great concern. For example, there are many valuable applications in forecasting electricity consumption, solar power generation, traffic congestion, finance, and so on.
Zichao He, Chunna Zhao, Yaqun Huang
doaj   +1 more source

A Seismic Phase Recognition Algorithm Based on Time Convolution Networks

open access: yesApplied Sciences, 2022
Over recent years, frequent earthquakes have caused huge losses in human life and property. Rapid and automatic earthquake detection plays an important role in earthquake warning systems and earthquake operation mechanism research.
Zhenhua Han   +5 more
doaj   +1 more source

Deep Temporal Convolution Network for Time Series Classification

open access: yesSensors, 2021
A neural network that matches with a complex data function is likely to boost the classification performance as it is able to learn the useful aspect of the highly varying data.
Bee Hock David Koh   +4 more
doaj   +1 more source

Fourier Graph Convolution Network for Time Series Prediction

open access: yesMathematics, 2023
The spatio-temporal pattern recognition of time series data is critical to developing intelligent transportation systems. Traffic flow data are time series that exhibit patterns of periodicity and volatility.
Lyuchao Liao   +3 more
doaj   +1 more source

Sequence Image Interpolation via Separable Convolution Network

open access: yesRemote Sensing, 2021
Remote-sensing time-series data are significant for global environmental change research and a better understanding of the Earth. However, remote-sensing acquisitions often provide sparse time series due to sensor resolution limitations and environmental
Xing Jin   +5 more
doaj   +1 more source

An Attention Encoder-Decoder Dual Graph Convolutional Network with Time Series Correlation for Multi-Step Traffic Flow Prediction

open access: yesJournal of Advanced Transportation, 2022
Accurate traffic prediction is a powerful factor of intelligent transportation systems to make assisted decisions. However, existing methods are deficient in modeling long series spatio-temporal characteristics. Due to the complex and nonlinear nature of
Shanchun Zhao, Xu Li
doaj   +1 more source

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