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  • Open Access

    ARTICLE

    Real-Time Deepfake Detection via Gaze and Blink Patterns: A Transformer Framework

    Muhammad Javed1, Zhaohui Zhang1,*, Fida Hussain Dahri2, Asif Ali Laghari3,*, Martin Krajčík4, Ahmad Almadhor5

    CMC-Computers, Materials & Continua, Vol.85, No.1, pp. 1457-1493, 2025, DOI:10.32604/cmc.2025.062954 - 29 August 2025

    Abstract Recent advances in artificial intelligence and the availability of large-scale benchmarks have made deepfake video generation and manipulation easier. Therefore, developing reliable and robust deepfake video detection mechanisms is paramount. This research introduces a novel real-time deepfake video detection framework by analyzing gaze and blink patterns, addressing the spatial-temporal challenges unique to gaze and blink anomalies using the TimeSformer and hybrid Transformer-CNN models. The TimeSformer architecture leverages spatial-temporal attention mechanisms to capture fine-grained blinking intervals and gaze direction anomalies. Compared to state-of-the-art traditional convolutional models like MesoNet and EfficientNet, which primarily focus on global facial… More >

  • Open Access

    ARTICLE

    Analysis of the Use of Geothermal Energy for Heating in Azerbaijan

    Orkhan Jafarli*

    Energy Engineering, Vol.122, No.9, pp. 3595-3608, 2025, DOI:10.32604/ee.2025.067982 - 26 August 2025

    Abstract This study investigates the feasibility and efficiency of geothermal energy for heating applications in Azerbaijan, with a specific focus on the Khachmaz region. Despite the country’s growing interest in sustainable energy, limited research has addressed the potential of ground-source heat pump (GSHP) systems under local climatic and soil conditions. To address this gap, the study employs GeoT*SOL simulation to evaluate system performance, incorporating site-specific parameters such as soil thermal conductivity, heating demand profiles, and regional weather data. The results show that the GSHP system achieves a maximum seasonal performance factor (SPF) of 5.62 and an… More >

  • Open Access

    ARTICLE

    Moderate Grazing Disturbance Can Promote the Leymus chinensis Grasslands’ Recovery through the Existing Bud Banks in Northern China

    Qun Ma1, Zhimin Liu1, Quanlai Zhou1, Wei Liang1,*, Jing Wu2,*

    Phyton-International Journal of Experimental Botany, Vol.94, No.7, pp. 2183-2194, 2025, DOI:10.32604/phyton.2025.067807 - 31 July 2025

    Abstract The Leymus chinensis grassland is one of the most widely distributed associations in the warm temperate grassland and due to overgrazing in recent years, it has experienced varying degrees of degradation. Vegetative regeneration via bud banks serves as the primary way of vegetation reproduction in the L. chinensis grassland ecosystem. However, the role of the bud bank in the vegetation regeneration of grazing grassland remains unclear. Based on the relationship between the under-ground bud bank and above-ground vegetation of L. chinensis grassland under different grazing stages, this study aimed to explore whether the grazing grassland could self-recover through… More >

  • Open Access

    ARTICLE

    Expert System Based on Ontology and Interpretable Machine Learning to Assist in the Discovery of Railway Accident Scenarios

    Habib Hadj-Mabrouk*

    CMC-Computers, Materials & Continua, Vol.84, No.3, pp. 4399-4430, 2025, DOI:10.32604/cmc.2025.067143 - 30 July 2025

    Abstract A literature review on AI applications in the field of railway safety shows that the implemented approaches mainly concern the operational, maintenance, and feedback phases following railway incidents or accidents. These approaches exploit railway safety data once the transport system has received authorization for commissioning. However, railway standards and regulations require the development of a safety management system (SMS) from the specification and design phases of the railway system. This article proposes a new AI approach for analyzing and assessing safety from the specification and design phases of the railway system with a view to… More >

  • Open Access

    ARTICLE

    Greenhouse Gas Payback of a Solar Photovoltaic System in Northeast Brazil: Effects of the Application of a Solar Coating

    Luiz Felipe Souza Fonseca1, Heitor do Nascimento Andrade1, João Marcelo Fernandes Gualberto de Galiza2, Raphael Abrahão1, Hamid Boleydei3, Silvia Guillén-Lambea4, Monica Carvalho1,*

    Energy Engineering, Vol.122, No.8, pp. 3265-3283, 2025, DOI:10.32604/ee.2025.066218 - 24 July 2025

    Abstract The application of different coatings on solar photovoltaic (PV) panels can be an efficient solution to increase performance and further mitigate the emission of greenhouse gases. This study uses the Life Cycle Assessment (LCA) methodology and the environmental payback concept to analyze the effects of the application of a nano-silica coating on a solar PV system installed in the Brazilian Northeast. Firstly, an uncoated reference 16.4 MW PV system is designed, and the detailed inventory is presented (PV panels, supporting structure, inverters, junction boxes, cables, transportation, maintenance and operation—including the replacement of equipment). The results… More > Graphic Abstract

    Greenhouse Gas Payback of a Solar Photovoltaic System in Northeast Brazil: Effects of the Application of a Solar Coating

  • Open Access

    ARTICLE

    Multi-Stage Game-Theoretical Decision Analysis of Enterprise Information Security Outsourcing Based on Moral Hazard

    Qiang Xiong*, Jianlong Zhang, Qianwen Song

    Journal of Cyber Security, Vol.7, pp. 255-277, 2025, DOI:10.32604/jcs.2025.065625 - 14 July 2025

    Abstract In the domain of information security outsourcing, the multi-stage game-theoretic decision-making process, intertwined with moral hazard and dynamic strategy adjustments, significantly impacts the long-term collaboration between the principal (outsourcing enterprise) and the contractor (Managed Security Service Provider—MSSP). This paper conducts a comprehensive analysis of these aspects within information security outsourcing partnerships. A multi-stage game model incorporating moral hazard is constructed to meticulously examine the strategic behaviors and expected revenue fluctuations of both parties across different cooperation stages. Through in-depth model derivation, the impacts of service fees, cooperation-stage progression, and long-term cooperation on expected revenues are… More >

  • Open Access

    ARTICLE

    A GIS Based Earthquake Hazard Pattern Identification Implementing the Local Site-Specific Parameters and the Historical Seismicity

    Harsh Kumar1, Shilpa Suman2, Abhishek Rawat2,*, Rajat Subhra Chatterjee3, Dheeraj Kumar4, B. S. Chaudhary5

    Revue Internationale de Géomatique, Vol.34, pp. 351-362, 2025, DOI:10.32604/rig.2025.064031 - 30 June 2025

    Abstract The unconsolidated soils of the Indo-Gangetic Plains (IGP) contribute significantly to the amplification of seismic damage during earthquakes. Site-specific effects play a critical role in intensifying ground motion and shaping the spatial distribution of seismic hazards. This study aims to investigate the spatial variability of seismic hazards using geophysical and geological parameters such as lithology, shear wave velocity, soil texture, basement depth, and proximity to fault lines. Training data were derived from common hazard points identified in earthquake catalogues. Several machine learning (ML) models, including Logistic Regression (LR), K-Nearest Neighbors, Random Forest, and Decision Tree, More >

  • Open Access

    ARTICLE

    Techno-Economic Comparison of Electrochemical Batteries and Supercapacitors for Solar Energy Storage in a Brazil Island Application: Off-Grid and On-Grid Configurations

    Alex Ximenes Naves1, Gladys Maquera2, Assed Haddad1, Dieter Boer3,*

    Energy Engineering, Vol.122, No.7, pp. 2611-2636, 2025, DOI:10.32604/ee.2025.061971 - 27 June 2025

    Abstract The growing concern for energy efficiency and the increasing deployment of intermittent renewable energies has led to the development of technologies for capturing, storing, and discharging energy. Supercapacitors can be considered where batteries do not meet the requirements. However, supercapacitors in systems with a slower charge/discharge cycle, such as photovoltaic systems (PVS), present other obstacles that make replacing batteries more challenging. An extensive literature review unveils a knowledge gap regarding a methodological comparison of batteries and supercapacitors. In this study, we address the technological feasibility of intermittent renewable energy generation systems, focusing on storage solutions… More > Graphic Abstract

    Techno-Economic Comparison of Electrochemical Batteries and Supercapacitors for Solar Energy Storage in a Brazil Island Application: Off-Grid and On-Grid Configurations

  • Open Access

    ARTICLE

    Generalized Anxiety Disorder Prevalence and Related Risk Factors among Females with Polycystic Ovarian Syndrome in Jazan Region, Saudi Arabia

    Abdullah A. Alharbi1, Ahmad Y. Alqassim1,*, Mohammad A. Jareebi1, Ahmad A. Alharbi2, Nada M. Makein1, Fatimah H. Al Ghazwi3, Seba Y. Muzaiiadi3, Joud N. Refaei3, Revan A. Arishi3, Bashaer A. Al Rajhi3, Fatima A. Aqili3, Saleha M. Ayoub3, Mohammed A. Muaddi1

    International Journal of Mental Health Promotion, Vol.27, No.5, pp. 701-716, 2025, DOI:10.32604/ijmhp.2025.062924 - 05 June 2025

    Abstract Background: Polycystic ovarian syndrome (PCOS), a common endocrine disorder in reproductive-aged women, has substantial physical and psychological impacts. While the physical manifestations of PCOS are well established, the psychological burden, especially anxiety, is understudied in Saudi Arabia. This study aimed to assess the prevalence of generalized anxiety disorder among females with PCOS compared to those without PCOS, and to identify the clinical and sociodemographic factors associated with anxiety in the Jazan region of Saudi Arabia. Methods: A cross-sectional study was conducted between January and March 2023 using an Arabic self-administered online questionnaire distributed via social… More >

  • Open Access

    ARTICLE

    A Low Light Image Enhancement Method Based on Dehazing Physical Model

    Wencheng Wang1,2,*, Baoxin Yin1,2, Lei Li2,*, Lun Li1, Hongtao Liu1

    CMES-Computer Modeling in Engineering & Sciences, Vol.143, No.2, pp. 1595-1616, 2025, DOI:10.32604/cmes.2025.063595 - 30 May 2025

    Abstract In low-light environments, captured images often exhibit issues such as insufficient clarity and detail loss, which significantly degrade the accuracy of subsequent target recognition tasks. To tackle these challenges, this study presents a novel low-light image enhancement algorithm that leverages virtual hazy image generation through dehazing models based on statistical analysis. The proposed algorithm initiates the enhancement process by transforming the low-light image into a virtual hazy image, followed by image segmentation using a quadtree method. To improve the accuracy and robustness of atmospheric light estimation, the algorithm incorporates a genetic algorithm to optimize the… More >

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