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   Articles with "order tensor" as a keyword



Decomposition of a symmetric second-order tensor

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recommendations! Published in 2018 at "European Journal of Physics"

DOI: 10.1088/1361-6404/aa9c9d

Abstract: In the three-dimensional space there are different definitions for the dot and cross products of a vector with a second-order tensor. In this paper we show how these products can uniquely be defined for the… read more here.

Keywords: part; second order; order tensor; tensor ... See more keywords

Spectrum of third-order tensor perturbations induced by excited scalar fields

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recommendations! Published in 2025 at "Physical Review D"

DOI: 10.1103/physrevd.111.103508

Abstract: We calculate for the first time the third-order spectrum of gravitational waves sourced by the amplified scalar field perturbations during inflation using the in-in formalism, and discuss the conditions for the third-order spectrum to be… read more here.

Keywords: order spectrum; third order; spectrum third; order tensor ... See more keywords
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Deep High-Order Tensor Convolutional Sparse Coding for Hyperspectral Image Classification

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recommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2021.3134682

Abstract: Most hyperspectral image (HSI) data exist in the form of tensor; the tensor representation preserves the potential spatial–spectral structure information compared with the vector representation, which can help improve the classification performance of HSI. In… read more here.

Keywords: order tensor; deep high; classification; tensor ... See more keywords

Multichannel Fault Diagnosis of Planetary Gearbox via Difference-Average Symbol Transition Entropy and Twin Support Higher-Order Tensor Machine

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recommendations! Published in 2024 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2023.3348892

Abstract: This article proposes a novel multichannel fault recognition strategy for planetary gearboxes using difference-average symbol transition entropy (DASTE) and twin support higher-order tensor machine (TwSHTM). In the proposed hybrid framework, a new feature representation method,… read more here.

Keywords: tensor; multichannel fault; transition entropy; order tensor ... See more keywords

Reconstruction of Optical Coherence Tomography Images Using Mixed Low Rank Approximation and Second Order Tensor Based Total Variation Method

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recommendations! Published in 2021 at "IEEE Transactions on Medical Imaging"

DOI: 10.1109/tmi.2020.3040270

Abstract: This paper proposes a mixed low-rank approximation and second-order tensor-based total variation (LRSOTTV) approach for the super-resolution and denoising of retinal optical coherence tomography (OCT) images through effective utilization of nonlocal spatial correlations and local… read more here.

Keywords: low rank; rank approximation; tensor; order tensor ... See more keywords

Electromechanical Coupling in Electroactive Polymers - a Visual Analysis of a Third-Order Tensor Field.

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recommendations! Published in 2022 at "IEEE transactions on visualization and computer graphics"

DOI: 10.1109/tvcg.2022.3209328

Abstract: Electroactive polymers are frequently used in engineering applications due to their ability to change their shape and properties under the influence of an electric field. This process also works vice versa, such that mechanical deformation… read more here.

Keywords: electroactive polymers; tensor; order; third order ... See more keywords

Full-Order Tensor-based Parameters Estimation and Channel Reconstruction for Heterogeneous Bi-static mmWave ISAC

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recommendations! Published in 2025 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2025.3585612

Abstract: Integrated sensing and communication (ISAC), as a rapidly advancing technique, is proposed to address both the communication and sensing problem in a unified framework. In this paper, a cost-saving heterogeneous bi-static architecture is designed for… read more here.

Keywords: heterogeneous static; isac; order tensor; mmwave isac ... See more keywords

Core Lines in 3D Second‐Order Tensor Fields

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recommendations! Published in 2018 at "Computer Graphics Forum"

DOI: 10.1111/cgf.13423

Abstract: Vortices are important features in vector fields that show a swirling behavior around a common core. The concept of a vortex core line describes the center of this swirling behavior. In this work, we examine… read more here.

Keywords: second order; order tensor; tensor; tensor fields ... See more keywords

Wiener Filter Using the Conjugate Gradient Method and a Third-Order Tensor Decomposition

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recommendations! Published in 2024 at "Applied Sciences"

DOI: 10.3390/app14062430

Abstract: In linear system identification problems, the Wiener filter represents a popular tool and stands as an important benchmark. Nevertheless, it faces significant challenges when identifying long-length impulse responses. In order to address the related shortcomings,… read more here.

Keywords: third order; wiener filter; order tensor; decomposition ... See more keywords