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  • Open Access

An Adaptive Super-Resolution Network for Drone Ship Images

  • Haoran Li,
  • Wei Xiong,
  • Yaqi Cui and
  • Libo Yao
Entropy2026, 28(2), 187;https://doi.org/10.3390/e28020187 
(registering DOI)

7 February 2026

Uncovering latent structures from complex, degraded data is a central challenge in modern unsupervised learning, with critical implications for downstream tasks. This principle is exemplified in the domain of aerial imagery, where the quality of imag...

  • Article
  • Open Access

6 February 2026

Water quality monitoring is critical for public health, ecology, and economic sustainability, but traditional methods are limited by temporal-spatial coverage and cost, failing to meet real-time assessment needs. Deep learning for water quality predi...

  • Article
  • Open Access

6 February 2026

Wireless sensor networks (WSNs) are extensively used in IoT applications. Secure access control and data protection are essential. Nonetheless, the wireless environment has an open nature. The limited resources of sensor devices render WSNs susceptib...

  • Article
  • Open Access

6 February 2026

In today’s information ecosystem, disinformation threatens civic autonomy and the stability of public discourse. Beyond the intentional spread of false information, it often appears as narrative divergence among sources interpreting shared even...

  • Article
  • Open Access
18 Views
28 Pages

5 February 2026

Railway passenger flow forecasting plays a critical role in operational efficiency and resource allocation for transportation systems. However, existing deep learning approaches suffer significant performance degradation when facing rare but high-imp...

  • Article
  • Open Access
33 Views
23 Pages

Finite-Size Thermodynamics of the Two-Dimensional Dipolar Q-Clock Model

  • Michel Aguilera,
  • Francisco J. Peña,
  • Eugenio E. Vogel and
  • Patricio Vargas

5 February 2026

We present a fully controlled thermodynamic study of the two-dimensional dipolar Q-state clock model on small square lattices with free boundaries, combining exhaustive state enumeration with noise-free evaluation of canonical observables. We resolve...

  • Article
  • Open Access
72 Views
23 Pages

4 February 2026

Micro-expressions (MEs) are involuntary facial movements that reveal genuine emotions, holding significant value in fields like deception detection and psychological diagnosis. However, micro-expression recognition (MER) is fundamentally challenged b...

  • Article
  • Open Access
74 Views
20 Pages

4 February 2026

This study proposes an efficient numerical scheme for simulating heat transfer governed by the diffusion equation with moving singular sources. The work addresses two-dimensional problems with line sources and three-dimensional problems with plane so...

  • Article
  • Open Access
79 Views
22 Pages

Dynamical Casimir Effect Under the Action of Gravitational Waves

  • Gustavo de Oliveira,
  • Thiago Henrique Moreira and
  • Lucas Chibebe Céleri

3 February 2026

Several nontrivial phenomena emerge when a quantum field is subjected to dynamical perturbations, with prominent examples including the Hawking and Unruh effects, as well as the dynamical Casimir effect. In this work, we compute the number of particl...

  • Article
  • Open Access
163 Views
20 Pages

BeamNet: Unsupervised Beamforming for ISAC Systems Under Imperfect CSI

  • Helitha Nimnaka,
  • Samiru Gayan,
  • Ruhui Zhang,
  • Hazer Inaltekin and
  • H. Vincent Poor

3 February 2026

Integrated sensing and communication (ISAC) is expected to be a key enabler for future wireless networks, improving spectral and hardware efficiency by jointly performing radar sensing and wireless communication within a unified framework. This paper...

  • Article
  • Open Access
148 Views
26 Pages

MFE-YOLO: A Multi-Scale Feature Enhanced Network for PCB Defect Detection with Cross-Group Attention and FIoU Loss

  • Ruohai Di,
  • Hao Fan,
  • Hanxiao Feng,
  • Zhigang Lv,
  • Lei Shu,
  • Rui Xie and
  • Ruoyu Qian

2 February 2026

The detection of defects in Printed Circuit Boards (PCBs) is a critical yet challenging task in industrial quality control, characterized by the prevalence of small targets and complex backgrounds. While deep learning models like YOLOv5 have shown pr...

  • Article
  • Open Access
85 Views
22 Pages

2 February 2026

Financial time series often show periods during which market index values or asset prices increase or decrease monotonically. These events are known as price runs, uninterrupted trends, or simply runs. By identifying such runs in the daily DJIA and I...

  • Article
  • Open Access
142 Views
9 Pages

Quasi-Power Law Ensembles: Nonextensive Statistics or Superstatistics

  • Maciej Rybczyński,
  • Grzegorz Wilk and
  • Zbigniew Włodarczyk

2 February 2026

In phenomenological studies of multiparticle production, transverse-momentum spectra measured in experiments frequently display an approximately power-law falloff, for which the Tsallis-type functional form is commonly employed as an effective parame...

  • Article
  • Open Access
118 Views
17 Pages

A New Quantum Video Processing Algorithm Based on the NEQR Technique

  • Adrian Prodan,
  • Alexandru-Gabriel Tudorache and
  • Vasile Manta

1 February 2026

The main goal of this paper is to present a new way of processing a video file using a combination of multiple quantum methods. The design is built upon the novel enhanced quantum representation technique, NEQR, which is then expanded using ideas suc...

  • Article
  • Open Access
92 Views
15 Pages

What Is Redundancy?

  • Clifford Bohm,
  • Christoph Adami and
  • Arend Hintze

1 February 2026

Redundancy is a central yet persistently ambiguous concept in multivariate information theory. Across the literature, the same term is used to describe fundamentally distinct phenomena. Operational redundancy concerns how different inputs relate to t...

  • Feature Paper
  • Article
  • Open Access
119 Views
22 Pages

31 January 2026

Power-line presence recognition technology for unmanned aerial vehicles (UAVs) is one of the key research directions in the field of UAV remote sensing. With the rapid development of UAV technology, the application of UAVs in various fields has becom...

  • Article
  • Open Access
119 Views
35 Pages

Cyber Risk Management of API-Enabled Financial Crime in Open Banking Services

  • Odion Gift Ojehomon,
  • Joanna Cichorska and
  • Jerzy Michnik

31 January 2026

Open banking reshapes the financial sector by enabling regulated third-party providers to access bank data through APIs, fostering innovation but amplifying operational and financial-crime risks due to increased ecosystem interdependence. To address...

  • Article
  • Open Access
144 Views
17 Pages

31 January 2026

Significant earthquakes can cause widespread infrastructure damage, social implications, and substantial economic losses. To mitigate these impacts, earthquake forecasting models have been developed to estimate earthquake occurrences and improve reco...

  • Article
  • Open Access
101 Views
21 Pages

31 January 2026

We develop a digitization-based analysis workflow for characterizing the entropy and correlation structure of truncated bosonic quantum fields after embedding them into small qubit registers, and illustrate it on the steady state of a coherently pump...

  • Article
  • Open Access
109 Views
26 Pages

31 January 2026

In this paper, a statistical model with three parameters is proposed which is called New Modified Generalized Inverted Exponential Distribution (MGIE). In addition, several statistical characteristics of the MGIE distribution are obtained, including...

  • Article
  • Open Access
99 Views
13 Pages

Qudit-Native Simulation of the Potts Model

  • Maksim A. Gavreev,
  • Evgeniy O. Kiktenko,
  • Aleksey K. Fedorov and
  • Anastasiia S. Nikolaeva

31 January 2026

Simulating entangled, many-body quantum systems is notoriously hard, especially in the case of the high-dimensional nature of the underlying physical objects. In this work, we propose an approach for simulating the Potts model based on the Suzuki&nda...

  • Article
  • Open Access
120 Views
18 Pages

Ensemble Entropy with Adaptive Deep Fusion for Short-Term Power Load Forecasting

  • Yiling Wang,
  • Yan Niu,
  • Xuejun Li,
  • Xianglong Dai,
  • Xiaopeng Wang,
  • Yong Jiang,
  • Chenghu He and
  • Li Zhou

31 January 2026

Accurate power load forecasting is crucial for ensuring the safety and economic operation of power systems. However, the complex, non-stationary, and heterogeneous nature of power load data presents significant challenges for traditional prediction m...

  • Article
  • Open Access
104 Views
19 Pages

31 January 2026

Accurate patent valuation remains a persistent challenge in intellectual property management, particularly in the food industry, where technological homogeneity and rapid innovation cycles introduce substantial noise into observable performance indic...

  • Article
  • Open Access
91 Views
24 Pages

31 January 2026

We introduce Lehmer Activation Units (LAUs), a class of aggregation-based neural activations derived from the Lehmer transform that unify feature weighting and nonlinearity within a single differentiable operator. Unlike conventional pointwise activa...

  • Article
  • Open Access
171 Views
21 Pages

30 January 2026

The regional green patent cooperation network describes the structural characteristics of regional collaborative innovation, and the link prediction of the network can anticipate the overall evolution trend, as well as help organizations identify pot...

  • Article
  • Open Access
166 Views
24 Pages

30 January 2026

Accurate channel estimation is critical for enabling effective directional beamforming and spectrally efficient transmission in beamspace massive multiple-input multiple-output (MIMO) systems. However, conventional model-driven algorithms are derived...

  • Article
  • Open Access
187 Views
14 Pages

Optimizing Tourism Routes: A Quantum Approach to the Profitable Tour Problem

  • Xiao-Shuang Cheng,
  • You-Hang Liu,
  • Xiao-Hong Dong and
  • Yan Wang

29 January 2026

The Profitable Tour Problem is a well-known NP-hard optimization challenge central to tourism planning, aiming to maximize collected profit while minimizing travel costs. While classical heuristics provide approximate solutions, they often struggle w...

  • Article
  • Open Access
160 Views
23 Pages

K-Means Community Detection Algorithm Based on Density Peaks

  • Hongyan Gao,
  • Jing Han,
  • Yue Liu,
  • Peng Zhang,
  • Bo Yang,
  • Yanqing Zu,
  • Fei Liu and
  • Yu Qian

29 January 2026

The identification of community structure is pivotal for understanding the functional characteristics of complex networks. To address the limitations of most existing community detection algorithms, which often require predefining the number of commu...

  • Systematic Review
  • Open Access
160 Views
20 Pages

29 January 2026

Integrating machine learning (ML) with Statistical Process Control (SPC) is important for Industry 4.0 environments. Contemporary manufacturing data exhibit high-dimensionality, autocorrelation, non-stationarity, and class imbalance, which challenge...

  • Article
  • Open Access
132 Views
24 Pages

29 January 2026

With the growing development of facial micro-expression recognition technology, its practical application value has attracted increasing attention. In real-world scenarios, facial micro-expression recognition typically involves cross-dataset evaluati...

  • Article
  • Open Access
180 Views
32 Pages

28 January 2026

As a fundamental mathematical model for complex systems, complex networks describe interactions among social, infrastructural, and biological systems. However, the complete connection structure is often unobservable, making topology reconstruction fr...

  • Article
  • Open Access
172 Views
20 Pages

28 January 2026

In widely deployed Internet of Things (IoT) scenarios, physical-layer key generation (PLKG) serves as a useful complement to conventional cryptographic methods, yet it often suffers from a fundamentally low key generation rate, which becomes particul...

  • Article
  • Open Access
1 Citations
194 Views
18 Pages

28 January 2026

This work implements deep learning models to capture non-linear and complex data behavior in aluminum price data. Deep learning models include the long short-term memory (LSTM) and deep feedforward neural networks (FFNN). The support vector regressio...

  • Article
  • Open Access
168 Views
29 Pages

27 January 2026

Learning from heterogeneous graphs under the constraints of both data scarcity and data privacy presents a significant challenge. While graph prompt learning offers a pathway for efficient few-shot adaptation, and federated learning provides a paradi...

  • Article
  • Open Access
187 Views
23 Pages

27 January 2026

Intrinsic motivation provides a principled mechanism for driving exploration in reinforcement learning when external rewards are sparse or delayed. A central challenge, however, lies in defining meaningful novelty signals in high-dimensional and comb...

  • Article
  • Open Access
269 Views
27 Pages

Hybrid Forecast-Enabled Adaptive Crowbar Coordination for LVRT Enhancement in DFIG Wind Turbines

  • Xianlong Su,
  • Hankil Kim,
  • Changsu Kim,
  • Mingxue Zhang and
  • Hoekyung Jung

25 January 2026

This study proposes a hybrid forecast-enabled adaptive crowbar coordination strategy to enhance low-voltage ride-through (LVRT) performance of doubly fed induction generator (DFIG) wind turbines. A unified electro-mechanical model in the α&beta...

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Entropy - ISSN 1099-4300