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159 Results Found

  • Article
  • Open Access
23 Citations
3,730 Views
18 Pages

Self-Supervised Deep Multi-Level Representation Learning Fusion-Based Maximum Entropy Subspace Clustering for Hyperspectral Band Selection

  • Yulei Wang,
  • Haipeng Ma,
  • Yuchao Yang,
  • Enyu Zhao and ,
  • Meiping Song and
  • Chunyan Yu
  • + 1 author+ 0 author

5 January 2024

As one of the most important techniques for hyperspectral image dimensionality reduction, band selection has received considerable attention, whereas self-representation subspace clustering-based band selection algorithms have received quite a lot of...

(This article belongs to the Special Issue Deep Neural Networks for Hyperspectral Remote Sensing Image Processing)
  • Article
  • Open Access
1 Citations
4,795 Views
19 Pages

21 September 2015

We study the asymptotically-achievable rate region of subspace codes for wireless network coding, where receivers have different link capacities due to the access ways or the faults of the intermediate links in the network. Firstly, an outer bound of...

(This article belongs to the Section Information Theory, Probability and Statistics)
  • Article
  • Open Access
5 Citations
3,128 Views
9 Pages

Linear Diophantine Fuzzy Subspaces of a Vector Space

  • Madeleine Al-Tahan,
  • Sarka Hoskova-Mayerova,
  • Saba Al-Kaseasbeh and
  • Suha Ali Tahhan

17 January 2023

The notion of a linear diophantine fuzzy set as a generalization of a fuzzy set is a mathematical approach that deals with vagueness in decision-making problems. The use of reference parameters associated with validity and non-validity functions in l...

(This article belongs to the Special Issue Mathematical Modelling and Hybrid Strategies for Risk and Uncertainty Management)
  • Article
  • Open Access
8 Citations
3,194 Views
26 Pages

Ordinary Single Valued Neutrosophic Topological Spaces

  • Junhui Kim,
  • Florentin Smarandache,
  • Jeong Gon Lee and
  • Kul Hur

27 August 2019

We define an ordinary single valued neutrosophic topology and obtain some of its basic properties. In addition, we introduce the concept of an ordinary single valued neutrosophic subspace. Next, we define the ordinary single valued neutrosophic neigh...

(This article belongs to the Special Issue New types of Neutrosophic Set/Logic/Probability, Neutrosophic Over-/Under-/Off-Set, Neutrosophic Refined Set, and their Extension to Plithogenic Set/Logic/Probability, with Applications)
  • Article
  • Open Access
14 Citations
4,117 Views
19 Pages

20 September 2019

Correlation research on urban space and pedestrian–level wind (PLW) environments is helpful for improving the wind comfort in complex urban space. It could also be significant for building and urban design. Correlation research is usually carri...

(This article belongs to the Section Meteorology)
  • Article
  • Open Access
4 Citations
2,985 Views
19 Pages

14 October 2022

For the asymmetric six-phase motor fed by a two-level six-phase voltage source inverter (VSI), when the modulation index is less than 0.5774, the motor operates in the linear region, and the harmonics in the Z1 − Z2 subspace can be suppressed t...

(This article belongs to the Section F3: Power Electronics)
  • Article
  • Open Access
13 Citations
3,865 Views
14 Pages

30 May 2022

Electroencephalogram (EEG) signals are sensitive to the level of Mental Workload (MW). However, the random non-stationarity of EEG signals will lead to low accuracy and a poor generalization ability for cross-session MW classification. To solve this...

(This article belongs to the Special Issue Advances in Artificial Intelligence: Data, Methods and Interdisciplinary Applications)
  • Article
  • Open Access
13 Citations
5,379 Views
22 Pages

Because requirements for establishing spatial data for location-based services (LBS) have increased in demand together with an increase in the number of complex structures, especially in urban areas, research has revisited the limitations of data mod...

  • Article
  • Open Access
162 Views
28 Pages

15 October 2026

Forecasting high-dimensional multivariate time series requires models to represent dependencies across variables without making variable interactions prohibitively expensive. Full attention over variable-level tokens has a pairwise cost quadratic in...

(This article belongs to the Special Issue Deep Learning Approach for Time Series Forecasting)
  • Article
  • Open Access
469 Views
19 Pages

17 August 2026

Industrial anomaly detection is commonly performed under one-class conditions because defective samples are scarce or unavailable during training. This study presents a lightweight one-class anomaly detection framework that reduces the dependence of...

(This article belongs to the Special Issue Computer Vision and Image Processing in Machine Learning)
  • Feature Paper
  • Article
  • Open Access
5 Citations
6,130 Views
18 Pages

Ergodic Subspace Analysis

  • Timo von Oertzen,
  • Florian Schmiedek and
  • Manuel C. Voelkle

Properties of psychological variables at the mean or variance level can differ between persons and within persons across multiple time points. For example, cross-sectional findings between persons of different ages do not necessarily reflect the deve...

  • Article
  • Open Access
897 Views
20 Pages

Twin-Space Decoupling and Interaction for Efficient Vision-Language Transfer

  • Wei Liang,
  • Junqiang Li,
  • Zhengkai Guo,
  • Zhiwei Peng and ,
  • Xiaocui Li,
  • Junfeng Yang,
  • Chuang Li and
  • Wei Long
  • + 3 authors+ 0 author

3 November 2025

Pre-trained visual language models have become excellent basic models for many downstream tasks in transfer learning. However, due to the serious gap between the data scale of downstream tasks and the large-scale data used by pre-trained models, migr...

(This article belongs to the Special Issue Digital Intelligence Technology and Applications, 2nd Edition)
  • Article
  • Open Access
162 Views
19 Pages

18 October 2026

To mitigate mutual coupling and enhance the degrees of freedom (DOFs), this paper proposes a two-level large-spacing symmetric nested array (TLSSNA). Unlike conventional nested arrays, the proposed configuration does not restrict the minimum inter-el...

(This article belongs to the Special Issue Advancements in Digital Signal Processing: Emerging Applications and Optimized Implementations)
  • Article
  • Open Access
5 Citations
4,440 Views
20 Pages

An Indoor Space Model of Building Considering Multi-Type Segmentation

  • Yueyong Pang,
  • Lizhi Miao,
  • Liangchen Zhou and
  • Guonian Lv

Indoor space is a core part of supporting indoor applications. Most of the existing indoor space models are expressed from three space scales: building, floor, and room, and the granularity is not fine enough, lacking the expression of each functiona...

  • Communication
  • Open Access
13 Citations
3,623 Views
12 Pages

30 June 2021

Spatial spectrum estimation, also known as direction of arrival (DOA) detection, is a popular issue in many fields, including remote sensing, radar, communication, sonar, seismic exploration, radio astronomy, and biomedical engineering. MUltiple SIgn...

  • Article
  • Open Access
1 Citations
1,068 Views
28 Pages

Scalable Context-Preserving Model-Aware Deep Clustering for Hyperspectral Images

  • Xianlu Li,
  • Nicolas Nadisic,
  • Shaoguang Huang,
  • Nikos Deligiannis and
  • Aleksandra Pižurica

14 December 2025

Subspace clustering has become widely adopted for the unsupervised analysis of hyperspectral images (HSIs). Recent model-aware deep subspace clustering methods often use a two-stage framework, involving the calculation of a self-representation matrix...

  • Article
  • Open Access
9 Citations
2,606 Views
22 Pages

This paper proposes a novel robust latent common subspace learning (RLCSL) method by integrating low-rank and sparse constraints into a joint learning framework. Specifically, we transform the data from source and target domains into a latent common...

(This article belongs to the Special Issue Recent Advances in Representation Learning)
  • Article
  • Open Access
245 Views
36 Pages

16 October 2026

Discrete ill-posed problems with several right-hand sides and a common forward operator arise in multichannel imaging and in repeated or parameter-dependent experiments. A block Golub–Kahan reduction builds one solution subspace for all right-h...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
7 Citations
2,274 Views
24 Pages

Robust Sidelobe Control for Adaptive Beamformers Against Array Imperfections via Subspace Approximation-Based Optimization

  • Yang Zou,
  • Zhoupeng Ding,
  • Hongtao Li,
  • Shengyao Chen and ,
  • Sirui Tian and
  • Jin He
  • + 1 author+ 0 author

18 February 2025

Conventional adaptive beamformers usually suffer from serious performance degradation when the receive array is imperfect and unknown sporadic interferences appear. To enhance robustness against array imperfections and simultaneously suppress sporadi...

(This article belongs to the Topic Advanced Array Antenna Design and Signal Processing Techniques)
  • Article
  • Open Access
12 Citations
12,540 Views
23 Pages

What is the boundary between a vigorous argument and a breakdown of relations? What drives a group of individuals across it? Taking Wikipedia as a test case, we use a hidden Markov model to approximate the computational structure and social grammar o...

(This article belongs to the Special Issue Computational Social Sciences: Contagion, Collective Behaviors, and Networks)
  • Article
  • Open Access
4 Citations
2,385 Views
21 Pages

Flood Risk Management-Level Analysis of Subway Station Spaces

  • Yan Li,
  • Xinxin Xu,
  • Shaoxuan Hou,
  • Xin Dang and ,
  • Zhuolun Li and
  • Yongwei Gong
  • + 1 author+ 0 author

5 April 2025

In recent years, heavy rainfall-induced flood incidents have occurred frequently in subway stations worldwide. Flooding in complex underground facilities, such as subway stations, can result in significant casualties and property damage. Therefore, i...

(This article belongs to the Special Issue Recent Advances in Flood Risk Assessment and Management)
  • Feature Paper
  • Article
  • Open Access
1,330 Views
14 Pages

Measurement-Induced Dynamical Quantum Thermalization

  • Marvin Lenk,
  • Sayak Biswas,
  • Anna Posazhennikova and
  • Johann Kroha

14 June 2025

One of the fundamental problems of quantum statistical physics is how an ideally isolated quantum system can ever reach thermal equilibrium behavior despite the unitary time evolution of quantum-mechanical systems. Here, we study, via explicit time e...

(This article belongs to the Section Non-equilibrium Phenomena)
  • Article
  • Open Access
1 Citations
2,059 Views
29 Pages

1 October 2025

Hyperspectral imaging (HSI) systems often suffer from complex noise degradation during the imaging process, significantly impacting downstream applications. Deep learning-based methods, though effective, rely on impractical paired training data, whil...

  • Article
  • Open Access
5 Citations
2,331 Views
16 Pages

Accelerated Stochastic Variance Reduction Gradient Algorithms for Robust Subspace Clustering

  • Hongying Liu,
  • Linlin Yang,
  • Longge Zhang,
  • Fanhua Shang and ,
  • Yuanyuan Liu and
  • Lijun Wang
  • + 1 author+ 0 author

5 June 2024

Robust face clustering enjoys a wide range of applications for gate passes, surveillance systems and security analysis in embedded sensors. Nevertheless, existing algorithms have limitations in finding accurate clusters when data contain noise (e.g.,...

(This article belongs to the Special Issue Machine Learning and Deep Learning in Image/Video Processing and Sensing)
  • Article
  • Open Access
1 Citations
1,553 Views
8 Pages

Since the lowest levels are symmetric under the interchange of neutrons and protons from calculations in the interacting boson approximation IBA-2 model, IBA-1 model space, in which neutron and proton degrees of freedom are not distinguished can b...

  • Article
  • Open Access
405 Views
27 Pages

25 September 2026

DC-signal injection into the secondary xy subspace is commonly used in multiphase drives for online stator-resistance estimation and winding-condition monitoring because it can be decoupled from the fundamental torque-producing excitation. Under open...

(This article belongs to the Special Issue Energy Optimization and Intelligent Utilization in Advanced Machines)
  • Article
  • Open Access
332 Views
37 Pages

Training Power Grid Standard LLMs via Token-Adaptive Continual Pretraining and Orthogonal Subspace On-Policy Self-Distillation

  • Zhiyuan Hu,
  • Chengwei Peng,
  • Zhichen Peng,
  • Zhuojun Cai and ,
  • Zhichao Zhang,
  • Zhao Sun,
  • Jianming Hu and
  • Shouyu Liang
  • + 3 authors+ 0 author

24 September 2026

Power grid large language models (LLMs) require the efficient acquisition of dense regulatory knowledge while preserving lightweight deployment. We propose a three-stage framework for the efficient training of power grid LLMs via token-adaptive conti...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
11 Citations
2,322 Views
14 Pages

Investigation on Traffic Carbon Emission Factor Based on Sensitivity and Uncertainty Analysis

  • Jianan Chen,
  • Hao Yu,
  • Haocheng Xu,
  • Qiang Lv and ,
  • Zongqiang Zhu,
  • Hao Chen,
  • Feiyang Zhao and
  • Wenbin Yu
  • + 3 authors+ 0 author

8 April 2024

The premise for formulating effective emission control strategies is to accurately and reasonably evaluate the actual emission level of vehicles. Firstly, the active subspace method is applied to set up a low-dimensional model of the relationship bet...

(This article belongs to the Topic Zero Carbon Vehicles and Power Generation)
  • Article
  • Open Access
13 Citations
3,600 Views
22 Pages

20 January 2022

In hyperspectral target detection, the spectral high-dimensionality, variability, and heterogeneity will pose great challenges to the accurate characterizations of the target and background. To alleviate the problems, we propose a Meta-pixel-driven E...

(This article belongs to the Special Issue State-of-the-Art Remote Sensing Image Scene Classification)
  • Article
  • Open Access
4 Citations
2,336 Views
17 Pages

25 October 2023

Vehicle re-identification research under surveillance cameras has yielded impressive results. However, the challenge of unmanned aerial vehicle (UAV)-based vehicle re-identification (ReID) presents a high degree of flexibility, mainly due to complica...

(This article belongs to the Special Issue AI Techniques in Intelligent Transport Systems)
  • Article
  • Open Access
19 Citations
3,783 Views
26 Pages

27 February 2024

When performing classification tasks on high-dimensional data, traditional machine learning algorithms often fail to filter out valid information in the features adequately, leading to low levels of classification accuracy. Therefore, this paper expl...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
5 Citations
4,060 Views
16 Pages

11 December 2020

Text-video retrieval tasks face a great challenge in the semantic gap between cross modal information. Some existing methods transform the text or video into the same subspace to measure their similarity. However, this kind of method does not conside...

(This article belongs to the Special Issue Digital Signal, Image and Video Processing for Emerging Multimedia Technology, Volume II)
  • Article
  • Open Access
5 Citations
2,318 Views
23 Pages

11 August 2023

In bearing fault diagnosis, machine learning methods have been proven effective on the basis of the heterogeneous features extracted from multiple domains, including deep representation features. However, comparatively little research has been perfor...

(This article belongs to the Special Issue Entropy Applications in Condition Monitoring and Fault Diagnosis)
  • Article
  • Open Access
2 Citations
2,639 Views
14 Pages

18 September 2024

Risk assessment to quantify the danger associated with a planned trajectory is critical for micro aerial vehicles (MAVs) navigating in dynamic uncertain environments. Existing works usually perform risk assessment by reasoning the occupancy status of...

  • Article
  • Open Access
226 Views
9 Pages

Enhanced von Neumann Entropy in Dense Two-Level Ensembles

  • Aurelian Isar,
  • Tatiana Mihaescu and
  • Mihai A. Macovei

18 October 2026

We investigate the equilibrium properties of the von Neumann entropy in a dense, dipole–dipole coupled ensemble of two-level emitters confined in a fully symmetric Dicke subspace, which additionally interact through a common thermal bath. The s...

(This article belongs to the Special Issue Quantum Nonstationary Systems—Second Edition)
  • Article
  • Open Access
4 Citations
2,937 Views
19 Pages

Characterization of Quantum and Classical Critical Points for an Integrable Two-Qubit Spin–Boson Model

  • Roberto Grimaudo,
  • Antonino Messina,
  • Hiromichi Nakazato,
  • Alessandro Sergi and
  • Davide Valenti

7 December 2023

The class of two-interacting-qubit spin–boson models with vanishing transverse fields on the spin-pair is studied. The model can be mapped exactly into two independent standard single-impurity spin–boson models where the role of the tunne...

(This article belongs to the Special Issue Physics and Symmetry Section: Feature Papers 2023)
  • Feature Paper
  • Article
  • Open Access
7 Citations
2,930 Views
17 Pages

Deriving Three-Outcome Permutationally Invariant Bell Inequalities

  • Albert Aloy,
  • Guillem Müller-Rigat,
  • Jordi Tura and
  • Matteo Fadel

25 September 2024

We present strategies to derive Bell inequalities valid for systems composed of many three-level parties. This scenario is formalized by a Bell experiment with N observers, each of which performs one out of two possible three-outcome measurements on...

(This article belongs to the Section Quantum Information)
  • Article
  • Open Access
25 Citations
6,074 Views
30 Pages

Quantification of Outdoor Thermal Comfort Levels under Sea Breeze in the Historical City Fabric: The Case of Algiers Casbah

  • Fawzi Hicham Arrar,
  • Dalel Kaoula,
  • Mohamed Elhadi Matallah,
  • Amina Abdessemed-Foufa and ,
  • Mohammad Taleghani and
  • Shady Attia
  • + 1 author+ 0 author

3 April 2022

Thermal comfort in cities is an influential factor for citizens’ wellbeing and life quality. Urban microclimate studies have gained popularity following increasing urbanization trends and global climate change in recent years. Urban fabric and...

(This article belongs to the Section Biometeorology and Bioclimatology)
  • Article
  • Open Access
24 Citations
4,842 Views
22 Pages

Fully Convolutional Networks and a Manifold Graph Embedding-Based Algorithm for PolSAR Image Classification

  • Chu He,
  • Bokun He,
  • Mingxia Tu,
  • Yan Wang and ,
  • Tao Qu,
  • Dingwen Wang and
  • Mingsheng Liao
  • + 2 authors+ 0 author

5 May 2020

With the rapid development of artificial intelligence, how to take advantage of deep learning and big data to classify polarimetric synthetic aperture radar (PolSAR) imagery is a hot topic in the field of remote sensing. As a key step for PolSAR imag...

  • Article
  • Open Access
2 Citations
3,381 Views
20 Pages

8 January 2020

Hyperspectral images (HSIs) denoising aims at recovering noise-free images from noisy counterparts to improve image visualization. Recently, various prior knowledge has attracted much attention in HSI denoising, e.g., total variation (TV), low-rank,...

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

Robust Inverse Design of Cementitious Materials for Biogenic Degradation Resistance

  • Karol Durczak,
  • Agnieszka Sujak,
  • Michał Juszczyk and
  • Michał Pyzalski

11 November 2026

Cementitious materials in infrastructure undergo coupled chemical, mineralogical, transport and mechanical deterioration, yet development still largely follows a forward trial-and-test paradigm. This study formulates the problem as constrained robust...

(This article belongs to the Special Issue Nano-Engineered High-Performance Cement Composites: Microstructure Design for Enhanced Durability)
  • Proceeding Paper
  • Open Access
1,840 Views
5 Pages

The distribution of entangled quantum systems among the nodes of a network is a key task at the basis of the development of quantum technologies, e.g., quantum communication, quantum computation, etc. Many efforts have been devoted to identify strate...

(This article belongs to the Proceedings of 11th Italian Quantum Information Science conference (IQIS2018))
  • Article
  • Open Access
21 Citations
3,157 Views
14 Pages

A Multivariate Statistics-Based Approach for Detecting Diesel Engine Faults with Weak Signatures

  • Jinxin Wang,
  • Chi Zhang,
  • Xiuzhen Ma,
  • Zhongwei Wang and ,
  • Yuandong Xu and
  • Robert Cattley
  • + 1 author+ 0 author

17 February 2020

The problem of timely detecting the engine faults that make engine operating parameters exceed their control limits has been well-solved. However, in practice, a fault of a diesel engine can be present with weak signatures, with the parameters fluctu...

  • Article
  • Open Access
2 Citations
3,250 Views
16 Pages

A Robust Method for the Unsupervised Scoring of Immunohistochemical Staining

  • Iván Durán-Díaz,
  • Auxiliadora Sarmiento,
  • Irene Fondón,
  • Clément Bodineau and ,
  • Mercedes Tomé and
  • Raúl V. Durán
  • + 1 author+ 0 author

15 February 2024

Immunohistochemistry is a powerful technique that is widely used in biomedical research and clinics; it allows one to determine the expression levels of some proteins of interest in tissue samples using color intensity due to the expression of biomar...

(This article belongs to the Section Multidisciplinary Applications)
  • Article
  • Open Access
9 Citations
2,540 Views
20 Pages

18 March 2024

As an essential reference to bridge dynamic characteristics, the identification of bridge frequencies has far-reaching consequences for the health monitoring and damage evaluation of bridges. This study proposes a uniform scheme to identify bridge fr...

(This article belongs to the Special Issue Advanced Sensing Systems for Structural Monitoring and Damage Identification of Buildings and Bridges)
  • Article
  • Open Access
127 Citations
9,807 Views
21 Pages

A Fast, Efficient Domain Adaptation Technique for Cross-Domain Electroencephalography(EEG)-Based Emotion Recognition

  • Xin Chai,
  • Qisong Wang,
  • Yongping Zhao,
  • Yongqiang Li and ,
  • Dan Liu,
  • Xin Liu and
  • Ou Bai
  • + 2 authors+ 0 author

3 May 2017

Electroencephalography (EEG)-based emotion recognition is an important element in psychiatric health diagnosis for patients. However, the underlying EEG sensor signals are always non-stationary if they are sampled from different experimental sessions...

(This article belongs to the Special Issue Sensors and Analytics for Precision Medicine)
  • Article
  • Open Access
234 Citations
20,855 Views
16 Pages

27 January 2016

In recent years, deep learning has been widely studied for remote sensing image analysis. In this paper, we propose a method for remotely-sensed image classification by using sparse representation of deep learning features. Specifically, we use convo...

  • Article
  • Open Access
5 Citations
2,045 Views
13 Pages

7 November 2024

A reduced-dimension robust Capon beamforming method using Krylov subspace techniques (RDRCB) is a diagonal loading algorithm with low complexity, fast convergence and strong anti-interference ability. The diagonal loading level of RDRCB is known to b...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
552 Views
28 Pages

24 June 2026

The severe susceptibility of qubits to environmental noise remains the primary obstacle to practical quantum computing. To overcome this, we introduce a purification-assisted quantum error-correction (QEC) framework that embeds a symmetric subspace p...

  • Article
  • Open Access
758 Views
27 Pages

Heterogeneous Feature Integration for Class-Imbalanced Intrusion Detection in Grid Systems

  • Kai Cheng,
  • Dongkun Li,
  • Weidong Tang,
  • Lin Liu and
  • Xueyu Zhang

22 July 2026

Modern grid digitalization connects communication networks, monitoring terminals, service platforms, security devices, and operational data sources. Intrusion detection in this setting requires correlating heterogeneous security data with grid-side c...

(This article belongs to the Section A: Computer Science)

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