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308 Results Found

  • Article
  • Open Access
3 Citations
4,247 Views
36 Pages

HOSVD-Based Algorithm for Weighted Tensor Completion

  • Zehan Chao,
  • Longxiu Huang and
  • Deanna Needell

Matrix completion, the problem of completing missing entries in a data matrix with low-dimensional structure (such as rank), has seen many fruitful approaches and analyses. Tensor completion is the tensor analog that attempts to impute missing tensor...

  • Article
  • Open Access
461 Views
26 Pages

16 July 2026

Robust tensor completion aims to recover a clean tensor from noisy and incomplete observations, where the observed tensor is corrupted by Gaussian noise and sparse noise simultaneously. Existing methods only exploit one or two priors out of global te...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
5 Citations
3,188 Views
10 Pages

A Non-Local Tensor Completion Algorithm Based on Weighted Tensor Nuclear Norm

  • Wenzhe Wang,
  • Jingjing Zheng,
  • Li Zhao,
  • Huiling Chen and
  • Xiaoqin Zhang

9 October 2022

In this paper, we proposed an image inpainting algorithm, including an interpolation step and a non-local tensor completion step based on a weighted tensor nuclear norm. Specifically, the proposed algorithm adopts the triangular based linear interpol...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
6 Citations
3,489 Views
18 Pages

A Novel Tensor Ring Sparsity Measurement for Image Completion

  • Junhua Zeng,
  • Yuning Qiu,
  • Yumeng Ma,
  • Andong Wang and
  • Qibin Zhao

24 January 2024

As a promising data analysis technique, sparse modeling has gained widespread traction in the field of image processing, particularly for image recovery. The matrix rank, served as a measure of data sparsity, quantifies the sparsity within the Kronec...

(This article belongs to the Section Multidisciplinary Applications)
  • Article
  • Open Access
13 Citations
4,227 Views
16 Pages

24 January 2023

Tensor completion is a fundamental tool to estimate unknown information from observed data, which is widely used in many areas, including image and video recovery, traffic data completion and the multi-input multi-output problems in information theor...

(This article belongs to the Special Issue Advances in Multiuser Information Theory)
  • Article
  • Open Access
2 Citations
2,638 Views
17 Pages

31 March 2023

Image completion, which falls to a special type of inverse problems, is an important but challenging task. The difficulties lie in that (i) the datasets usually appear to be multi-dimensional; (ii) the unavailable or corrupted data entries are random...

(This article belongs to the Special Issue Emerging Topics in Machine Learning, Image Processing and Pattern Recognition for AI-Related Applications)
  • Article
  • Open Access
1 Citations
2,169 Views
14 Pages

Multi-Channel Audio Completion Algorithm Based on Tensor Nuclear Norm

  • Lin Zhu,
  • Lidong Yang,
  • Yong Guo,
  • Dawei Niu and
  • Dandan Zhang

Multi-channel audio signals provide a better auditory sensation to the audience. However, missing data may occur in the collection, transmission, compression, or other processes of audio signals, resulting in audio quality degradation and affecting t...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
16 Citations
5,898 Views
20 Pages

Tensor Completion Based on Triple Tubal Nuclear Norm

  • Dongxu Wei,
  • Andong Wang,
  • Xiaoqin Feng,
  • Boyu Wang and
  • Bo Wang

28 June 2018

Many tasks in computer vision suffer from missing values in tensor data, i.e., multi-way data array. The recently proposed tensor tubal nuclear norm (TNN) has shown superiority in imputing missing values in 3D visual data, like color images and video...

  • Article
  • Open Access
3,026 Views
12 Pages

12 December 2019

Existing tensor completion methods all require some hyperparameters. However, these hyperparameters determine the performance of each method, and it is difficult to tune them. In this paper, we propose a novel nonparametric tensor completion method,...

(This article belongs to the Special Issue Iterative Numerical Functional Analysis with Applications)
  • Feature Paper
  • Article
  • Open Access
4 Citations
933 Views
24 Pages

9 March 2026

Tensor completion is an extension of matrix completion aimed at recovering a multiway data tensor by leveraging a given subset of its entries (observations) and the pattern of observation. The low-rank assumption is key in establishing a relationship...

(This article belongs to the Special Issue Spectral Theory of Tensors, Tensor (Rank) Decompositions, and Their Applications)
  • Article
  • Open Access
2,258 Views
19 Pages

19 December 2024

Recovering incomplete high-dimensional data to create complete and valuable datasets is the main focus of tensor completion research, which lies at the intersection of mathematics and information science. Researchers typically apply various linear an...

  • Article
  • Open Access
6 Citations
2,649 Views
19 Pages

Structural-Missing Tensor Completion for Robust DOA Estimation with Sensor Failure

  • Bin Li,
  • Fei Cheng,
  • Hang Zheng,
  • Zhiguo Shi and
  • Chengwei Zhou

28 November 2023

Array sensor failure poses a serious challenge to robust direction-of-arrival (DOA) estimation in complicated environments. Although existing matrix completion methods can successfully recover the damaged signals of an impaired sensor array, they can...

(This article belongs to the Special Issue Industrial Internet of Things (IIoT): New Directions, Challenges and Applications)
  • Article
  • Open Access
556 Views
19 Pages

19 May 2026

Tensor completion is commonly formulated by minimizing a convex combination of nuclear norms of mode-wise unfolding matrices. Although effective, the non-negative weight constraint can limit the flexibility of mode balancing, especially when differen...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
3 Citations
3,166 Views
19 Pages

Double Tensor-Decomposition for SCADA Data Completion in Water Networks

  • Pere Marti-Puig,
  • Arnau Martí-Sarri and
  • Moisès Serra-Serra

24 December 2019

Supervisory Control And Data Acquisition (SCADA) systems currently monitor and collect a huge among of data from all kind of processes. Ideally, they must run without interruption, but in practice, some data may be lost due to a sensor failure or a c...

(This article belongs to the Section Urban Water Management)
  • Article
  • Open Access
9 Citations
3,750 Views
16 Pages

22 January 2020

The issue of image completion has been developed considerably over the last two decades, and many computational strategies have been proposed to fill-in missing regions in an incomplete image. When the incomplete image contains many small-sized irreg...

(This article belongs to the Special Issue Intelligent Processing on Image and Optical Information)
  • Article
  • Open Access
5 Citations
2,312 Views
14 Pages

9 January 2024

Completing traffic data is a basic requirement for intelligent transportation systems. However, completing spatiotemporal traffic data poses a significant challenge, especially for high-dimensional data with complex missing mechanisms. Various comple...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
2 Citations
3,368 Views
23 Pages

Tensor Completion via Smooth Rank Function Low-Rank Approximate Regularization

  • Shicheng Yu,
  • Jiaqing Miao,
  • Guibing Li,
  • Weidong Jin and ,
  • Gaoping Li and
  • Xiaoguang Liu
  • + 1 author+ 0 author

3 August 2023

In recent years, the tensor completion algorithm has played a vital part in the reconstruction of missing elements within high-dimensional remote sensing image data. Due to the difficulty of tensor rank computation, scholars have proposed many substi...

(This article belongs to the Special Issue Machine Vision and Advanced Image Processing in Remote Sensing II)
  • Article
  • Open Access
7 Citations
5,722 Views
46 Pages

14 September 2021

This paper conducts a rigorous analysis for the problem of robust tensor completion, which aims at recovering an unknown three-way tensor from incomplete observations corrupted by gross sparse outliers and small dense noises simultaneously due to var...

(This article belongs to the Special Issue Remote Sensing Image Denoising, Restoration and Reconstruction)
  • Article
  • Open Access
3 Citations
3,124 Views
16 Pages

3 February 2023

Many restoration methods use the low-rank constraint of high-dimensional image signals to recover corrupted images. These signals are usually represented by tensors, which can maintain their inherent relevance. The image of this simple tensor present...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
5 Citations
4,190 Views
16 Pages

15 May 2023

Automotive radar pursues low cost and high performance, and especially hopes to improve the angular resolution under the condition of a limited number of multiple-input–multiple-output (MIMO) radar channels. Conventional time division multiplex...

(This article belongs to the Section Radar Sensors)
  • Article
  • Open Access
4 Citations
2,635 Views
16 Pages

A QoS Prediction Approach Based on Truncated Nuclear Norm Low-Rank Tensor Completion

  • Hong Xia,
  • Qingyi Dong,
  • Jiahao Zheng,
  • Yanping Chen and ,
  • Cong Gao and
  • Zhongmin Wang
  • + 1 author+ 0 author

20 August 2022

With the rise of mobile edge computing (MEC), mobile services with the same or similar functions are gradually increasing. Usually, Quality of Service (QoS) has become an indicator to measure high-quality services. In the real MEC service invocation...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
1 Citations
1,041 Views
34 Pages

15 January 2026

Accurate mapping of localization error distribution is essential for assessing passive sensor systems and guiding sensor placement. However, conventional analytical methods like the Geometrical Dilution of Precision (GDOP) rely on idealized error mod...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
16 Citations
3,337 Views
21 Pages

Thick Cloud Removal in Multi-Temporal Remote Sensing Images via Frequency Spectrum-Modulated Tensor Completion

  • Zhihong Chen,
  • Peng Zhang,
  • Yu Zhang,
  • Xunpeng Xu and ,
  • Luyan Ji and
  • Hairong Tang
  • + 1 author+ 0 author

23 February 2023

Clouds often contaminate remote sensing images, which leads to missing land feature information and subsequent application degradation. Low-rank tensor completion has shown great potential in the reconstruction of multi-temporal remote sensing images...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
684 Views
29 Pages

The rapid development of the low-altitude economy demands comprehensive electromagnetic spectrum awareness. However, constructing a comprehensive radio environment map (REM) in this scenario is challenging, as spectrum sensing data collected by unman...

(This article belongs to the Special Issue Enabling the Low-Altitude Economy with AI and 6G Integrated Networks)
  • Article
  • Open Access
7 Citations
2,737 Views
16 Pages

21 April 2023

Landslide displacement prediction is a challenging research task that can help to reduce the occurrence of landslide disasters. The frequent occurrence of extreme weather increases the probability of landslides, and the subsequent increase in the sup...

(This article belongs to the Special Issue High Performance Computing and Artificial Intelligence for Geosciences)
  • Article
  • Open Access
1 Citations
1,212 Views
13 Pages

Even-Order Pascal Tensors Are Positive-Definite

  • Chunfeng Cui,
  • Liqun Qi and
  • Yannan Chen

31 January 2025

In this paper, we show that even-order Pascal tensors are positive-definite, and odd-order Pascal tensors are strongly completely positive. The significance of these is that our induction proof method also holds for some other families of completely...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
1 Citations
3,114 Views
23 Pages

23 December 2023

The deployment of Electronic Toll Collection (ETC) gantry systems marks a transformative advancement in the journey toward an interconnected and intelligent highway traffic infrastructure. The integration of these systems signifies a leap forward in...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
11 Citations
3,863 Views
18 Pages

Effective Incomplete Multi-View Clustering via Low-Rank Graph Tensor Completion

  • Jinshi Yu,
  • Qi Duan,
  • Haonan Huang,
  • Shude He and
  • Tao Zou

28 January 2023

In the past decade, multi-view clustering has received a lot of attention due to the popularity of multi-view data. However, not all samples can be observed from every view due to some unavoidable factors, resulting in the incomplete multi-view clust...

  • Article
  • Open Access
11 Citations
1,752 Views
15 Pages

4 October 2023

The purpose of the present paper is to study the complete lifts of a QSNMC from an LP-Sasakian manifold to its tangent bundle. The lifts of the curvature tensor, Ricci tensor, projective Ricci tensor, and lifts of Einstein manifold endowed with QSNMC...

(This article belongs to the Special Issue Differential Geometry: Structures on Manifolds and Submanifolds)
  • Article
  • Open Access
2 Citations
2,921 Views
16 Pages

Tensor restoration finds applications in various fields, including data science, image processing, and machine learning, where the global low-rank property is a crucial prior. As the convex relaxation to the tensor rank function, the traditional tens...

(This article belongs to the Special Issue Image Fusion and Image Processing)
  • Article
  • Open Access
6 Citations
3,853 Views
20 Pages

15 July 2020

Low-rank tensors have received more attention in hyperspectral image (HSI) recovery. Minimizing the tensor nuclear norm, as a low-rank approximation method, often leads to modeling bias. To achieve an unbiased approximation and improve the robustness...

  • Article
  • Open Access
8 Citations
4,547 Views
22 Pages

Different Approaches to SCADA Data Completion in Water Networks

  • Pere Marti-Puig,
  • Arnau Martí-Sarri and
  • Moisès Serra-Serra

16 May 2019

This work contributes to the techniques used for SCADA (Supervisory Control and Data Acquisition) system data completion in databases containing historical water sensor signals from a water supplier company. Our approach addresses the data restoratio...

(This article belongs to the Section Urban Water Management)
  • Article
  • Open Access
27 Citations
2,366 Views
12 Pages

Lifts of a Quarter-Symmetric Metric Connection from a Sasakian Manifold to Its Tangent Bundle

  • Mohammad Nazrul Islam Khan,
  • Uday Chand De and
  • Ljubica S. Velimirović

23 December 2022

The objective of this paper is to explore the complete lifts of a quarter-symmetric metric connection from a Sasakian manifold to its tangent bundle. A relationship between the Riemannian connection and the quarter-symmetric metric connection from a...

(This article belongs to the Special Issue Geometry of Manifolds and Applications)
  • Article
  • Open Access
939 Views
16 Pages

ADS-B Flight Trajectory Tensor Data Recovery Method Based on Truncated Schatten p-Norm

  • Weining Zhang,
  • Hongwei Li,
  • Ziyuan Deng,
  • Qing Cheng and
  • Jinghan Du

26 March 2026

To address the issue of missing position in flight trajectory data collected by Automatic Dependent Surveillance-Broadcast (ADS-B) systems, a flight trajectory tensor completion model based on truncated Schatten p-norm minimization is proposed. First...

(This article belongs to the Special Issue Big Data and Artificial Intelligence in Transportation Systems: Methods and Applications)
  • Article
  • Open Access
67 Citations
3,427 Views
23 Pages

Color Image Recovery Using Generalized Matrix Completion over Higher-Order Finite Dimensional Algebra

  • Liang Liao,
  • Zhuang Guo,
  • Qi Gao,
  • Yan Wang and ,
  • Fajun Yu,
  • Qifeng Zhao,
  • Stephen John Maybank,
  • Zhoufeng Liu,
  • Chunlei Li and
  • Lun Li
  • + 5 authors+ 0 author

10 October 2023

To improve the accuracy of color image completion with missing entries, we present a recovery method based on generalized higher-order scalars. We extend the traditional second-order matrix model to a more comprehensive higher-order matrix equivalent...

  • Article
  • Open Access
1 Citations
614 Views
20 Pages

Multi-Rate PMU Data Fusion in Power Systems via Low Rank Tensor Train

  • Yuan Li,
  • Tao Zheng,
  • Yonghua Chen,
  • Shu Zheng and ,
  • Jingtao Zhao and
  • Bo Sun
  • + 1 author+ 0 author

20 January 2026

With the continuous development of power systems, WAMS have become increasingly important for real-time system monitoring. As the core devices of WAMS, PMUs can provide synchronized, high-precision, and high-resolution measurements of power system st...

  • Article
  • Open Access
572 Views
18 Pages

10 May 2026

With the continuous expansion of the expressway network and the rapid growth of traffic demand, traditional single-source traffic detection data is limited in spatial–temporal coverage and accuracy, which can hardly support the refined operatio...

(This article belongs to the Special Issue Advanced Sensing and Predictive Techniques in Intelligent Transportation Systems)
  • Article
  • Open Access
1 Citations
3,882 Views
31 Pages

18 April 2020

Reconstruction of 3D objects in various tomographic measurements is an important problem which can be naturally addressed within the mathematical framework of 3D tensors. In Optical Coherence Tomography, the reconstruction problem can be recast as a...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
3 Citations
1,570 Views
27 Pages

With the widespread application of multi-view data across various domains, multi-view unsupervised feature selection (MUFS) has achieved remarkable progress in both feature selection (FS) and missing-view completion. However, existing MUFS methods ty...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,384 Views
38 Pages

9 May 2022

We prove various results in infinite-dimensional differential calculus that relate the differentiability properties of functions and associated operator-valued functions (e.g., differentials). The results are applied in two areas: (1) in the theory o...

(This article belongs to the Special Issue Advance in Topology and Functional Analysis——In Honour of María Jesús Chasco's 65th Birthday)
  • Article
  • Open Access
850 Views
14 Pages

L2: Accurate Forestry Time-Series Completion and Growth Factor Inference

  • Linlu Jiang,
  • Meng Yang,
  • Benye Xi,
  • Weiliang Meng and
  • Jie Duan

26 May 2025

In forestry data management and analysis, data integrity and analytical accuracy are of critical importance. However, existing techniques face a dual challenge: first, sensor failures, data transmission interruptions, and human errors lead to the pre...

(This article belongs to the Section Forest Inventory, Modeling and Remote Sensing)
  • Article
  • Open Access
2 Citations
874 Views
20 Pages

26 October 2025

As a fundamental information carrier in Industrial Internet of Things (IIoT), electromagnetic spectrum data presents critical challenges for efficient spectrum sensing and situational awareness in smart industrial cognitive radio systems. Addressing...

(This article belongs to the Section Networks)
  • Article
  • Open Access
11 Citations
6,138 Views
13 Pages

Complete Permittivity Tensor in Sputtered CuFe2O4 Thin Films at Photon Energies between 2 and 5 eV

  • Martin Veis,
  • Roman Antos,
  • Stefan Visnovsky,
  • Prasanna D. Kulkarni and ,
  • Narayanan Venkataramani,
  • Shiva Prasad,
  • Jan Mistrik and
  • Ramanathan Krishnan
  • + 3 authors+ 0 author

16 September 2013

This work is devoted to the systematic study of the optical and magneto-optical properties of sputter deposited CuFe2O4 thin films in the photon energy region between 2 and 5 eV using spectroscopic ellipsometry and magneto-optical Kerr spectroscopy....

  • Review
  • Open Access
31 Citations
10,547 Views
20 Pages

Decomposition Methods for Machine Learning with Small, Incomplete or Noisy Datasets

  • Cesar Federico Caiafa,
  • Jordi Solé-Casals,
  • Pere Marti-Puig,
  • Sun Zhe and
  • Toshihisa Tanaka

27 November 2020

In many machine learning applications, measurements are sometimes incomplete or noisy resulting in missing features. In other cases, and for different reasons, the datasets are originally small, and therefore, more data samples are required to derive...

(This article belongs to the Special Issue Machine Learning Methods with Noisy, Incomplete or Small Datasets)
  • Article
  • Open Access
1 Citations
1,418 Views
25 Pages

Weighted Total Variation for Hyperspectral Image Denoising Based on Hyper-Laplacian Scale Mixture Distribution

  • Xiaoyu Yu,
  • Jianli Zhao,
  • Sheng Fang,
  • Tianheng Zhang and ,
  • Liang Li and
  • Xinyue Huang
  • + 1 author+ 0 author

31 December 2025

Conventional total variation (TV) regularization methods based on Laplacian or fixed-scale Hyper-Laplacian priors impose uniform sparsity penalties on gradients. These uniform penalties fail to capture the heterogeneous sparsity characteristics acros...

(This article belongs to the Special Issue Recent Advances in Hyperspectral Remote Sensing: Theories, Technologies and Applications)
  • Article
  • Open Access
4 Citations
1,029 Views
28 Pages

9 March 2026

In this study, an extension of the general method [G. Gaigalas, Z. Rudzikas, C. Froese Fischer, J. Phys. B, At. Mol. Phys. (1997). DOI: 10.1088/0953-4075/30/17/006] is described for finding algebraic expressions of the spin-angular parts of the reduc...

(This article belongs to the Special Issue Future Directions in Atomic Physics Inspired by the Pioneering Work of Charlotte Froese Fischer and Ian Philip Grant)
  • Article
  • Open Access
11 Citations
1,925 Views
16 Pages

9 November 2023

The main aim of the proposed paper is to investigate the lifts of Kenmotsu manifolds that admit NSNMC in the tangent bundle. We investigate several properties of the lifts of the curvature tensor, the conformal curvature tensor, and the conharmonic c...

(This article belongs to the Special Issue Symmetry/Asymmetry: Differential Geometry and Its Applications)
  • Article
  • Open Access
22 Citations
2,067 Views
13 Pages

8 August 2023

The purpose of this study is to examine the complete lifts from the symmetric and concircular symmetric n-dimensional Lorentzian para-Sasakian manifolds (briefly, (LPS)n) to its tangent bundle TM associated with a Riemannian connection DC and a quart...

(This article belongs to the Special Issue Symmetry and Its Application in Differential Geometry and Topology, 2nd Edition)
  • Article
  • Open Access
11 Citations
5,308 Views
22 Pages

Gap-Filling of NDVI Satellite Data Using Tucker Decomposition: Exploiting Spatio-Temporal Patterns

  • Andri Freyr Þórðarson,
  • Andreas Baum,
  • Mónica García,
  • Sergio M. Vicente-Serrano and
  • Anders Stockmarr

6 October 2021

Remote sensing satellite images in the optical domain often contain missing or misleading data due to overcast conditions or sensor malfunctioning, concealing potentially important information. In this paper, we apply expectation maximization (EM) Tu...

(This article belongs to the Topic High-Resolution Earth Observation Systems, Technologies, and Applications)
  • Article
  • Open Access
5 Citations
4,052 Views
21 Pages

22 March 2019

The fog radio access network (F-RAN) equipped with enhanced remote radio heads (eRRHs), which can pre-store some requested files in the edge cache and support mobile edge computing (MEC). To guarantee the quality-of-service (QoS) and energy efficienc...

(This article belongs to the Special Issue Advanced Technologies on Green Radio Networks)

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