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  • Open Access

    ARTICLE

    Med-ReLU: A Parameter-Free Hybrid Activation Function for Deep Artificial Neural Network Used in Medical Image Segmentation

    Nawaf Waqas1, Muhammad Islam2,*, Muhammad Yahya3, Shabana Habib4, Mohammed Aloraini2, Sheroz Khan5

    CMC-Computers, Materials & Continua, Vol.84, No.2, pp. 3029-3051, 2025, DOI:10.32604/cmc.2025.064660 - 03 July 2025

    Abstract Deep learning (DL), derived from the domain of Artificial Neural Networks (ANN), forms one of the most essential components of modern deep learning algorithms. DL segmentation models rely on layer-by-layer convolution-based feature representation, guided by forward and backward propagation. A critical aspect of this process is the selection of an appropriate activation function (AF) to ensure robust model learning. However, existing activation functions often fail to effectively address the vanishing gradient problem or are complicated by the need for manual parameter tuning. Most current research on activation function design focuses on classification tasks using natural… More >

  • Open Access

    ARTICLE

    Simulation on H2S Migration and Elutriation during Cyclic Operationof Underground Sour Gas Storage

    Siji Chen1, Gang Chen2, Wei Wang2, Han Liu1, Mukun Ouyang1, Wanhong Zhang1, Lianghua Zhang1, Wei Tang1, Shilai Hu2,*

    Energy Engineering, Vol.122, No.7, pp. 2819-2843, 2025, DOI:10.32604/ee.2025.065481 - 27 June 2025

    Abstract The construction and operation of sulfur-containing gas storage are often more difficult than a non-sulfur storage facility due to the need to prevent environmental contamination from H2S leaks, as well as the corrosive effects of H2S on production facilities. Rapid elutriation of H2S from the reservoir during the construction of the gas storage is an effective way to avoid these problems. However, the existing H2S elutriation method has low efficiency and high economic cost, which limits the development of reconstructed gas storage of sulfur-containing gas reservoirs. To improve the efficiency of H2S elutriation in sulfur-containing gas reservoirs and… More >

  • Open Access

    ARTICLE

    A Feature Selection Method for Software Defect Prediction Based on Improved Beluga Whale Optimization Algorithm

    Shaoming Qiu, Jingjie He, Yan Wang*, Bicong E

    CMC-Computers, Materials & Continua, Vol.83, No.3, pp. 4879-4898, 2025, DOI:10.32604/cmc.2025.061532 - 19 May 2025

    Abstract Software defect prediction (SDP) aims to find a reliable method to predict defects in specific software projects and help software engineers allocate limited resources to release high-quality software products. Software defect prediction can be effectively performed using traditional features, but there are some redundant or irrelevant features in them (the presence or absence of this feature has little effect on the prediction results). These problems can be solved using feature selection. However, existing feature selection methods have shortcomings such as insignificant dimensionality reduction effect and low classification accuracy of the selected optimal feature subset. In… More >

  • Open Access

    ARTICLE

    Poly-3,4-ethylenedioxythiophene/Polystyrene Sulfonate/Dimethyl Sulfoxide-Based Conductive Fabrics for Wearable Electronics: Elucidating the Electrical Conductivity and Durability Properties through Controlled Doping and Washing Tests

    Muhammad Faiz Aizamddin1,2,*, Nazreen Che Roslan2, Ayu Natasha Ayub2, Awis Sukarni Mohmad Sabere3, Zarif Mohamed Sofian4, Yee Hui Robin Chang5, Mohd Ifwat Mohd Ghazali6,7, Kishor Kumar Sadasivuni8, Mohamad Arif Kasri9, Muhamad Saipul Fakir10, Mohd Muzamir Mahat2,*

    Journal of Polymer Materials, Vol.41, No.4, pp. 239-261, 2024, DOI:10.32604/jpm.2024.057420 - 16 December 2024

    Abstract Poly-3,4-ethylenedioxythiophene: polystyrene sulfonate (PEDOT/PSS) has revolutionized the field of smart textiles as an advanced conductive polymer, offering an unprecedented combination of high electrical conductivity, solution processability, and mechanical conformability. Despite extensive research in PEDOT/PSS-coated fabrics over the past decade, a critical challenge remains in finding the delicate balance between enhanced conductivity and washing durability required for real-world wearable applications. Hence, this study investigates the electrical conductivity and durability properties of PEDOT/PSS-based conductive fabrics for wearable electronics. By carefully controlling the doping concentration of dimethyl sulfoxide (DMSO), an optimal conductivity of 8.44 ± 0.21 × 10−3 S… More >

  • Open Access

    PROCEEDINGS

    Experimental and Computational Elucidation of Mechanical Forces on Cell Nucleus

    Miao Huang1, Maedeh Lotfi1, Heyang Wang4, Hayley Sussman5, Kevin Connell1, Quang Vo1, Malisa Sarntinoranont1, Hitomi Yamaguchi1, Juan Guan2, Xin Tang1,3,*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.32, No.1, pp. 1-2, 2024, DOI:10.32604/icces.2024.011130

    Abstract Mechanotransduction, i.e., living cells sense and transduce mechanical forces into intracellular biochemical signaling and gene expression, is ubiquitous across diverse organisms. Increasing evidence suggests that mechanotransduction significantly influences cell functions and its mis-regulation is at the heart of various pathologies. A quantitative characterization of the relationship between mechanical forces and resulted mechanotransduction is pivotal in understanding the rules of life and innovating new therapeutic strategies [1-3]. However, while such relationship on the cell surface membrane and cytoskeleton have been well studied, little is known about whether/how mechanical forces applied on the cell interior nucleus (“headquarter… More >

  • Open Access

    ARTICLE

    BHJO: A Novel Hybrid Metaheuristic Algorithm Combining the Beluga Whale, Honey Badger, and Jellyfish Search Optimizers for Solving Engineering Design Problems

    Farouq Zitouni1,*, Saad Harous2, Abdulaziz S. Almazyad3, Ali Wagdy Mohamed4,5, Guojiang Xiong6, Fatima Zohra Khechiba1, Khadidja Kherchouche1

    CMES-Computer Modeling in Engineering & Sciences, Vol.141, No.1, pp. 219-265, 2024, DOI:10.32604/cmes.2024.052001 - 20 August 2024

    Abstract Hybridizing metaheuristic algorithms involves synergistically combining different optimization techniques to effectively address complex and challenging optimization problems. This approach aims to leverage the strengths of multiple algorithms, enhancing solution quality, convergence speed, and robustness, thereby offering a more versatile and efficient means of solving intricate real-world optimization tasks. In this paper, we introduce a hybrid algorithm that amalgamates three distinct metaheuristics: the Beluga Whale Optimization (BWO), the Honey Badger Algorithm (HBA), and the Jellyfish Search (JS) optimizer. The proposed hybrid algorithm will be referred to as BHJO. Through this fusion, the BHJO algorithm aims to… More >

  • Open Access

    ARTICLE

    Structural Elucidation of the Polymeric Condensed Tannins of Acacia nilotica Subspecies by 13C NMR, MALDI-TOF and TMA as Sources of Bioadhesives

    Zeinab Osman1,2,3,*, Antonio Pizzi2,*, Bertrand Charrier3

    Journal of Renewable Materials, Vol.12, No.7, pp. 1291-1310, 2024, DOI:10.32604/jrm.2024.051619 - 21 August 2024

    Abstract Tannin was extracted from different subspecies of Acacia nilotica, Acacia nilotica nilotica (Ann), Acacia nilotica tomentosa (Ant) and Acacia nilotica adansonii (Ana). The aim was to elucidate their structure and evaluate their reactivity as bioadhesives in the wood industry. The extracts were prepared by hot water extraction (90°C temperature). Their gel time with paraformaldehyde was used at first to compare their reactivity. The tannin contents and the percentage of total polyphenolic materials in different solutions of the extracts spray dried powder were determined by the hide powder method. Concentrated solutions (47%) were tested by both MALDI ToF, CNMR.… More > Graphic Abstract

    Structural Elucidation of the Polymeric Condensed Tannins of <i>Acacia nilotica</i> Subspecies by <sup>13</sup>C NMR, MALDI-TOF and TMA as Sources of Bioadhesives

  • Open Access

    ARTICLE

    A Deep Learning Model for Insurance Claims Predictions

    Umar Isa Abdulkadir*, Anil Fernando*

    Journal on Artificial Intelligence, Vol.6, pp. 71-83, 2024, DOI:10.32604/jai.2024.045332 - 22 April 2024

    Abstract One of the significant issues the insurance industry faces is its ability to predict future claims related to individual policyholders. As risk varies from one policyholder to another, the industry has faced the challenge of using various risk factors to accurately predict the likelihood of claims by policyholders using historical data. Traditional machine-learning models that use neural networks are recognized as exceptional algorithms with predictive capabilities. This study aims to develop a deep learning model using sequential deep regression techniques for insurance claim prediction using historical data obtained from Kaggle with 1339 cases and eight… More >

  • Open Access

    ARTICLE

    An Approach for Human Posture Recognition Based on the Fusion PSE-CNN-BiGRU Model

    Xianghong Cao, Xinyu Wang, Xin Geng*, Donghui Wu, Houru An

    CMES-Computer Modeling in Engineering & Sciences, Vol.140, No.1, pp. 385-408, 2024, DOI:10.32604/cmes.2024.046752 - 16 April 2024

    Abstract This study proposes a pose estimation-convolutional neural network-bidirectional gated recurrent unit (PSE-CNN-BiGRU) fusion model for human posture recognition to address low accuracy issues in abnormal posture recognition due to the loss of some feature information and the deterioration of comprehensive performance in model detection in complex home environments. Firstly, the deep convolutional network is integrated with the Mediapipe framework to extract high-precision, multi-dimensional information from the key points of the human skeleton, thereby obtaining a human posture feature set. Thereafter, a double-layer BiGRU algorithm is utilized to extract multi-layer, bidirectional temporal features from the human… More >

  • Open Access

    HOW I DO IT

    How I Do It: Maintenance avelumab for advanced urothelial carcinoma

    Aly-Khan A. Lalani

    Canadian Journal of Urology, Vol.30, No.4, pp. 11633-11638, 2023

    Abstract For more than four decades, platinum-based chemotherapy regimens have served as the established standard-of-care for advanced urothelial carcinoma (aUC). However, advancements in our understanding of cancer biology and tumor microenvironment have reshaped the therapeutic landscape and prognosis of this incurable disease. Immune checkpoint inhibitors (ICIs) that target programmed cell death 1 (PD-1) and programmed cell death ligand 1 (PD-L1) are firmly established tools in aUC management, leading to enhanced life span and improved quality of life for patients.
    In patients who achieved stable disease or better following platinum-based chemotherapy, maintenance therapy with the PD-L1 antibody… More >

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