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133 Results Found

  • Article
  • Open Access
5 Citations
7,383 Views
24 Pages

10 October 2024

Sparse matrix–matrix multiplication (SpMM) is essential for deep learning models and scientific computing. Recently, Tensor Cores (TCs) on GPUs, originally designed for dense matrix multiplication with mixed precision, have gained prominence. H...

(This article belongs to the Section Circuit and Signal Processing)
  • Article
  • Open Access
9 Citations
3,641 Views
23 Pages

29 April 2022

Due to the limited hardware conditions, hyperspectral image (HSI) has a low spatial resolution, while multispectral image (MSI) can gain higher spatial resolution. Therefore, derived from the idea of fusion, we reconstructed HSI with high spatial res...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
64 Citations
8,370 Views
24 Pages

19 January 2019

Hyperspectral image compressive sensing reconstruction (HSI-CSR) is an important issue in remote sensing, and has recently been investigated increasingly by the sparsity prior based approaches. However, most of the available HSI-CSR methods consider...

(This article belongs to the Special Issue Learning to Understand Remote Sensing Images)
  • Article
  • Open Access
13 Citations
4,883 Views
15 Pages

Tensor Decomposition for Spatial—Temporal Traffic Flow Prediction with Sparse Data

  • Funing Yang,
  • Guoliang Liu,
  • Liping Huang and
  • Cheng Siong Chin

24 October 2020

Urban transport traffic surveillance is of great importance for public traffic control and personal travel path planning. Effective and efficient traffic flow prediction is helpful to optimize these real applications. The main challenge of traffic fl...

(This article belongs to the Special Issue State-of-the-Art Sensors Technology)
  • Article
  • Open Access
53 Citations
9,318 Views
20 Pages

Hyperspectral Dimensionality Reduction by Tensor Sparse and Low-Rank Graph-Based Discriminant Analysis

  • Lei Pan,
  • Heng-Chao Li,
  • Yang-Jun Deng,
  • Fan Zhang and ,
  • Xiang-Dong Chen and
  • Qian Du
  • + 1 author+ 0 author

Recently, sparse and low-rank graph-based discriminant analysis (SLGDA) has yielded satisfactory results in hyperspectral image (HSI) dimensionality reduction (DR), for which sparsity and low-rankness are simultaneously imposed to capture both local...

(This article belongs to the Special Issue Learning to Understand Remote Sensing Images)
  • Article
  • Open Access
2 Citations
2,627 Views
23 Pages

Spectral computed tomography (CT)-reconstructed images often exhibit severe noise and artifacts, which compromise the practical application of spectral CT imaging technology. Methods that use tensor dictionary learning (TDL) have shown superior perfo...

(This article belongs to the Special Issue Pattern Recognition and Machine Learning Applications, 2nd Edition)
  • Article
  • Open Access
4 Citations
5,054 Views
17 Pages

25 December 2016

This paper investigates a structured sparse SAR imaging algorithm for point scattering model based on tensor decomposition. Several SAR imaging schemes have been developed by researchers for improving the imaging quality. For a typical SAR target sce...

  • Article
  • Open Access
187 Views
34 Pages

RCRC-Guided Low-Tubal-Rank Tensor Recovery for Sparse Aperture Terahertz Video SAR Imaging

  • Xu Wang,
  • Jiahao Zhang,
  • Tongxu Hu,
  • Jialu Liu and ,
  • Jin Li,
  • Rui Min,
  • Zongjie Cao and
  • Yiming Pi
  • + 3 authors+ 0 author

29 October 2026

THz-SAR provides high-resolution imaging but is highly sensitive to trajectory perturbations, while video SAR further requires efficient reconstruction of consecutive sub-aperture frames from incomplete measurements. Under variable curvature motion,...

  • Article
  • Open Access
16 Citations
4,268 Views
26 Pages

4 September 2019

The incipient damages of mechanical equipment excite weak impulse vibration, which is hidden, almost unobservable, in the collected signal, making fault detection and failure prevention at the inchoate stage rather challenging. Traditional feature ex...

(This article belongs to the Special Issue Machine Fault Diagnostics and Prognostics)
  • Article
  • Open Access
7 Citations
4,699 Views
15 Pages

3 March 2023

A 3D point cloud is one of the main data sources for robot environmental cognition and understanding. Due to the limited computation and memory capacities of the robotic platform, existing semantic segmentation models of 3D point clouds cannot meet t...

(This article belongs to the Special Issue Advances in Artificial Intelligence (AI)-Driven Data Mining)
  • Article
  • Open Access
9 Citations
4,882 Views
25 Pages

9 January 2019

For the past decades, recognition technologies of multispectral palmprint have attracted more and more attention due to their abundant spatial and spectral characteristics compared with the single spectral case. Enlightened by this, an innovative rob...

(This article belongs to the Special Issue Advances on Sensor Pattern Noise used in Multimedia Forensics and Counter Forensic)
  • Article
  • Open Access
5 Citations
4,369 Views
20 Pages

17 December 2021

The massive generation of data, which includes images and videos, has made data management, analysis, information extraction difficult in recent years. To gather relevant information, this large amount of data needs to be grouped. Real-life data may...

  • Article
  • Open Access
328 Views
18 Pages

2 June 2026

Sparse tensors have been widely applied in hypergraph representation, complex network analysis, and high-dimensional data processing, where eigenvalue inclusion sets play a fundamental role in analyzing the properties of such tensors. For sparse tens...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
13 Citations
2,957 Views
16 Pages

11 April 2021

Recently, non-negative tensor factorization (NTF) as a very powerful tool has attracted the attention of researchers. It is used in the unmixing of hyperspectral images (HSI) due to its excellent expression ability without any information loss when d...

(This article belongs to the Section AI Remote Sensing)
  • Article
  • Open Access
1 Citations
2,695 Views
20 Pages

24 June 2023

As one of the supervised tensor learning methods, the support tensor machine (STM) for tensorial data classification is receiving increasing attention in machine learning and related applications, including remote sensing imaging, video processing, f...

  • Article
  • Open Access
297 Views
33 Pages

27 August 2026

This paper proposes a novel Tensor Train (TT)-based tensor-on-tensor regression optimization framework for variable selection based on mode-1 hyperslice sparsity. The formulation incorporates an l2,0-regularized term on the first TT-core while imposi...

(This article belongs to the Special Issue Optimization Problems: Methods and Applications)
  • Article
  • Open Access
10 Citations
7,080 Views
22 Pages

27 November 2017

The common statistical methods for supervised classification usually require a large amount of training data to achieve reasonable results, which is time consuming and inefficient. In many methods, only the features of each point are used, regardless...

  • Article
  • Open Access
8 Citations
4,499 Views
28 Pages

Multispectral and Hyperspectral Image Fusion Based on Joint-Structured Sparse Block-Term Tensor Decomposition

  • Hao Guo,
  • Wenxing Bao,
  • Wei Feng,
  • Shasha Sun and ,
  • Chunhui Mo and
  • Kewen Qu
  • + 1 author+ 0 author

19 September 2023

Multispectral and hyperspectral image fusion (MHF) aims to reconstruct high-resolution hyperspectral images by fusing spatial and spectral information. Unlike the traditional canonical polyadic decomposition and Tucker decomposition models, the block...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
9 Citations
3,277 Views
18 Pages

28 February 2024

Hyperspectral image (HSI) reconstruction from RGB input has drawn much attention recently and plays a crucial role in further vision tasks. However, current sparse coding algorithms often take each single pixel as the basic processing unit during the...

(This article belongs to the Special Issue Advances in Computer Vision and Machine Learning, 2nd Edition)
  • Article
  • Open Access
14 Citations
4,129 Views
27 Pages

Global and Local Tensor Sparse Approximation Models for Hyperspectral Image Destriping

  • Xiangyang Kong,
  • Yongqiang Zhao,
  • Jize Xue,
  • Jonathan Cheung-Wai Chan and
  • Seong G. Kong

20 February 2020

This paper presents a global and local tensor sparse approximation (GLTSA) model for removing the stripes in hyperspectral images (HSIs). HSIs can easily be degraded by unwanted stripes. Two intrinsic characteristics of the stripes are (1) global spa...

(This article belongs to the Special Issue Advanced Techniques for Spaceborne Hyperspectral Remote Sensing)
  • Article
  • Open Access
1,309 Views
30 Pages

Bootstrap-Based Stabilization of Sparse Solutions in Tensor Models: Theory, Assessment, and Application

  • Gresky Gutiérrez-Sánchez,
  • María Purificación Vicente-Galindo and
  • Purificación Galindo-Villardón

26 September 2025

This paper introduces BCenetTucker, a novel bootstrap-enhanced extension of the CenetTucker model designed to address the instability of sparse support recovery in high-dimensional tensor settings. By integrating mode-specific resampling directly int...

(This article belongs to the Section Evolutionary Algorithms and Machine Learning)
  • Article
  • Open Access
32 Citations
3,587 Views
24 Pages

12 February 2023

Infrared small target detection is widely used for early warning, aircraft monitoring, ship monitoring, and so on, which requires the small target and its background to be represented and modeled effectively to achieve their complete separation. Low-...

(This article belongs to the Special Issue Computer Vision and Machine Learning Application on Earth Observation)
  • Article
  • Open Access
10 Citations
3,768 Views
18 Pages

10 June 2021

Efficient vehicle-to-everything (V2X) communications improve traffic safety, enable autonomous driving, and help to reduce environmental impacts. To achieve these objectives, accurate channel estimation in highly mobile scenarios becomes necessary. H...

(This article belongs to the Special Issue Vehicle-to-Everything (V2X) Communications)
  • Article
  • Open Access
12 Citations
2,939 Views
30 Pages

21 December 2023

The detection of infrared dim and small targets in complex backgrounds is very challenging because of the low signal-to-noise ratio of targets and the drastic change in background. Low-rank sparse decomposition based on the structural characteristics...

  • Article
  • Open Access
10 Citations
6,457 Views
21 Pages

4 August 2016

Recently, sparse representation has yielded successful results in hyperspectral image (HSI) classification. In the sparse representation-based classifiers (SRCs), a more discriminative representation that preserves the spectral-spatial information ca...

  • 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
5 Citations
2,979 Views
17 Pages

Dose Images Reconstruction Based on X-ray-Induced Acoustic Computed Tomography

  • Yanhua Liu,
  • Mingzhe Liu,
  • Xin Jiang,
  • Xianghe Liu and
  • Min Liu

The accurate reconstruction of the in vivo dose is a critical step in radiation therapy. X-ray-induced acoustic imaging is a promising technology for in vivo dose reconstruction, as it enables the nonradiative and noninvasive monitoring of radiation...

(This article belongs to the Special Issue Future AI and Robotics: Visual- and Spatial-Based Perception Enhancement and Reasoning)
  • Article
  • Open Access
5 Citations
2,091 Views
23 Pages

Robust Tensor-Based DOA and Polarization Estimation in Conformal Polarization Sensitive Array with Bad Data

  • Xiaoyu Lan,
  • Lai Jiang,
  • Shuang Ma,
  • Ye Tian and ,
  • Yupeng Wang and
  • Ershen Wang
  • + 1 author+ 0 author

12 April 2024

Partially impaired sensor arrays pose a significant challenge in accurately estimating signal parameters. The occurrence of bad data is highly probable, resulting in random loss of source information and substantial performance degradation in paramet...

(This article belongs to the Section Navigation and Positioning)
  • Article
  • Open Access
363 Views
25 Pages

9 September 2026

Multi-view clustering seeks a consensus partition from heterogeneous feature views while retaining view-specific information. We propose SGLog-γ∗-MSC, a nonconvex multi-view subspace clustering framework that combines graph total variati...

  • Article
  • Open Access
549 Views
19 Pages

Polarized GPR Clutter Suppression Based on Non-Convex Tensor Robust Principal Analysis

  • Beiqiang Zhao,
  • Xiaoji Song,
  • Zhihua He,
  • Tao Liu and
  • Yangyang Fu

9 May 2026

Being capable of high-resolution imaging and non-contact measurement, Ground Penetrating Radar (GPR) is a promising technology for the detection of unexploded ordnance (UXO). However, UXO detection is severely hindered by clutter, particularly in env...

  • Article
  • Open Access
1,916 Views
21 Pages

Large-Scale Subspace Clustering Based on Purity Kernel Tensor Learning

  • Yilu Zheng,
  • Shuai Zhao,
  • Xiaoqian Zhang,
  • Yinlong Xu and
  • Lifan Peng

In conventional subspace clustering methods, affinity matrix learning and spectral clustering algorithms are widely used for clustering tasks. However, these steps face issues, including high time consumption and spatial complexity, making large-scal...

(This article belongs to the Section Networks)
  • Article
  • Open Access
3 Citations
2,122 Views
22 Pages

28 August 2025

Optical remote sensing images are often partially obscured by clouds due to the inability of visible light to penetrate cloud cover, which significantly limits their subsequent applications. Most existing cloud removal methods formulate the problem u...

(This article belongs to the Special Issue Knowledge-Driven and/or Data-Driven Methods for Remote Sensing Image Processing)
  • Review
  • Open Access
215 Views
16 Pages

Sparse and Tucker in the Scientific Literature: A Bibliometric Study of Trends and Applications

  • Edwin Sánchez-León,
  • Huber Echeverría,
  • Walter Franco and
  • Javier Benítez-Astudillo

This bibliometric study examines research that explicitly combines sparse methods with Tucker-related techniques. Using PRISMA 2020 as a reporting guide for record identification and selection, we retained 254 journal articles indexed in Scopus and W...

  • Article
  • Open Access
15 Citations
7,112 Views
17 Pages

18 July 2013

We propose a generalized method of the canonical correlation analysis using Alpha-Beta divergence, called AB-canonical analysis (ABCA). From observations of two random variables, x ∈ RP and y ∈ RQ, ABCA finds directions, wx ∈ RP and wy ∈ RQ, such t...

  • Article
  • Open Access
4 Citations
3,304 Views
13 Pages

An Onboard Point Cloud Semantic Segmentation System for Robotic Platforms

  • Fei Wang,
  • Yujie Yang,
  • Jingchun Zhou and
  • Weishi Zhang

Point clouds represent an important way for robots to perceive their environments, and can be acquired by mobile robots with LiDAR sensors or underwater robots with sonar sensors. Hence, real-time semantic segmentation of point clouds with onboard ed...

(This article belongs to the Topic Applications and Development of Underwater Robotics and Underwater Vision Technology)
  • Article
  • Open Access
287 Views
23 Pages

Symmetric and Asymmetric Trends in Sparse Tucker Decomposition Based on Plithogenic Neutrosophic Hypersoft Sets: A Bibliometric and Conceptual Review

  • Edwin Sánchez-León,
  • Eduardo Espinoza-Solís,
  • Huber Echeverría,
  • Antonio Blázquez-Zaballos and
  • Purificación Galindo-Villardón

14 September 2026

Sparse Tucker decomposition (STD) is a framework for tensor decomposition that extends the classical Tucker model with sparsity constraints, with the aim of achieving better representation and analysis of multidimensional data. STD has attracted grow...

(This article belongs to the Special Issue Symmetry in Uncertainty and Intelligent Decision-Making)
  • Article
  • Open Access
3 Citations
2,157 Views
25 Pages

16 September 2023

Hyperspectral imaging (HSI) has been used in a wide range of applications in recent years. But in the process of image acquisition, hyperspectral images are subject to various types of noise interference. Noise reduction algorithms can be used to enh...

  • Article
  • Open Access
6 Citations
3,412 Views
18 Pages

Spectral computed tomography (CT) can divide collected photons into multi-energy channels and gain multi-channel projections synchronously by using photon-counting detectors. However, reconstructed images usually contain severe noise due to the limit...

(This article belongs to the Special Issue X-ray Luminescence and Fluorescence)
  • 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)
  • 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
149 Views
33 Pages

16 October 2026

Fractures are important storage spaces and flow pathways in tight reservoirs, but small-scale fractures with weak seismic responses are difficult to characterize with band-limited post-stack seismic data. This study proposes a high-resolution multisc...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
5,352 Views
12 Pages

The fundamental challenge of salient object detection is to find the decision boundary that separates the salient object from the background. Low-rank recovery models address this challenge by decomposing an image or image feature-based matrix into a...

  • Communication
  • Open Access
3 Citations
2,107 Views
11 Pages

9 September 2022

Due to the imaging mechanism of Synthetic Aperture Radars (SARs), the target shape on an SAR image is sensitive to the radar incidence angle and target azimuth, but there is strong correlation and redundancy between adjacent azimuth images of SAR tar...

(This article belongs to the Section Circuit and Signal Processing)
  • 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
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
26 Citations
5,171 Views
19 Pages

24 April 2019

The ground Penetrating Radar (GPR) is a promising remote sensing modality for Antipersonnel Mine (APM) detection. However, detection of the buried APMs are impaired by strong clutter, especially the reflection caused by rough ground surfaces. In this...

  • 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
7 Citations
2,177 Views
21 Pages

28 April 2023

Infrared small target detection (ISTD) plays a significant role in earth observation infrared systems. However, some high reflection areas have a grayscale similar to the target, which will cause a false alarm in the earth observation infrared system...

(This article belongs to the Special Issue Pattern Recognition and Image Processing for Remote Sensing II)
  • Article
  • Open Access
8 Citations
2,169 Views
18 Pages

Fault Diagnosis Based on Tensor Computing and Meta-Learning for Smart Grid and Power Communication Network

  • Qiusheng Yu,
  • Ti Guan,
  • Anqi Tian,
  • Mingyue Si and ,
  • Bin Qi,
  • Yingjie Jiang,
  • Yan Zhang,
  • Li Li and
  • Wensheng Zhang
  • + 4 authors+ 0 author

Fault diagnosis (FD) is a critical challenge for the smart grid and the power communication network, especially when both heterogeneous networks are exponentially becoming enormous and complicated. Consequently, some conventional FD schemes based on...

  • Article
  • Open Access
4 Citations
4,488 Views
33 Pages

3 December 2019

The rapid development of sensor technology gives rise to the emergence of huge amounts of tensor (i.e., multi-dimensional array) data. For various reasons such as sensor failures and communication loss, the tensor data may be corrupted by not only sm...

(This article belongs to the Special Issue Sensor Signal and Information Processing III)

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