Articles with "hierarchical spatio" as a keyword



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A hierarchical spatio-temporal model to analyze relative risk variations of COVID-19: a focus on Spain, Italy and Germany

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Published in 2021 at "Stochastic Environmental Research and Risk Assessment"

DOI: 10.1007/s00477-021-02003-2

Abstract: The novel coronavirus disease (COVID-19) has spread rapidly across the world in a short period of time and with a heterogeneous pattern. Understanding the underlying temporal and spatial dynamics in the spread of COVID-19 can… read more here.

Keywords: risk; spatio temporal; italy germany; model ... See more keywords
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A Hierarchical Spatio-Temporal Model for Human Activity Recognition

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Published in 2017 at "IEEE Transactions on Multimedia"

DOI: 10.1109/tmm.2017.2674622

Abstract: There are two key issues in human activity recognition: spatial dependencies and temporal dependencies. Most recent methods focus on only one of them, and thus do not have sufficient descriptive power to recognize complex activity.… read more here.

Keywords: activity recognition; layer; human activity; model ... See more keywords
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HSTA: A Hierarchical Spatio-Temporal Attention Model for Trajectory Prediction

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Published in 2021 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2021.3115018

Abstract: Predicting the future trajectories of surrounding agents has become an crucial problem to be solved for the safety of autonomous vehicles. Recent studies based on Long Short Term Memory (LSTM) networks have shown powerful abilities… read more here.

Keywords: temporal attention; spatial interactions; attention; hierarchical spatio ... See more keywords