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Real-time implementation of OFDM modulation for an OCC system: UNet-based equalizer for signal denoising and BER optimization OCC系统OFDM调制的实时实现:基于unet的信号去噪和误码率优化均衡器
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.06.002
Md Minhazur Rahman, Md Shahriar Nazim, Md. Ibne Joha, Yeong Min Jang
Optical camera communication (OCC) leverages camera image sensors for data reception from light sources but faces challenges of low data rates and high bit error rates. This study introduces an OCC system combining orthogonal frequency division multiplexing with a UNet-based equalizer for signal denoising. Using pixel rows as transmission units, the system achieves a data rate of 9.2 kbps and a bit error rate of 8.41×103 at 1 m. Python scripts facilitate system control, optimization, and embedded deployment, highlighting OCC’s potential for next-generation communication systems with improved performance over conventional methods.
光学相机通信(OCC)利用相机图像传感器接收来自光源的数据,但面临着低数据速率和高误码率的挑战。本文介绍了一种将正交频分复用与基于unet的均衡器相结合的信号去噪OCC系统。以像素行为传输单位,在1m的传输速率为9.2 kbps,误码率为8.41×10−3。Python脚本有助于系统控制、优化和嵌入式部署,突出了OCC在下一代通信系统中的潜力,其性能优于传统方法。
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引用次数: 0
The journey to cloud as a continuum: Opportunities, challenges, and research directions 云之旅是一个连续体:机遇、挑战和研究方向
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.04.015
Md. Mahmodul Hasan , Tangina Sultana , Md. Delowar Hossain , Ashis Kumar Mandal , Thien-Thu Ngo , Ga-Won Lee , Eui-Nam Huh
The rapid development of the Internet of Things (IoT) has driven a significant shift in computing architectures, leading to the rise of the cloud continuum—a flexible framework that combines cloud services with edge and fog computing. While existing survey papers have contributed valuable insights, they often focus narrowly on specific aspects of the continuum or do not fully address its evolving complexities. These limitations underscore the need for a comprehensive and up-to-date analysis of the field. This study bridges these gaps by presenting an extensive review of the cloud continuum, covering its role in enhancing resource management, improving real-time data processing, integrating machine learning approaches, and optimizing user experiences across diverse applications. We examine how edge devices, fog nodes, and cloud infrastructures synergize to enable decentralized data processing, reducing latency in critical areas such as smart cities, healthcare, and autonomous vehicles. Additionally, this study explores the integration of machine learning across edge, fog, and cloud layers, with a focus on inference and distributed learning methods. By highlighting how these technologies enhance efficiency, scalability, and intelligent decision-making, this review provides a holistic perspective on the cloud continuum. Our analysis offers valuable insights into future research directions, emphasizing innovations that can drive next-generation computing systems toward greater efficiency and adaptability.
物联网(IoT)的快速发展推动了计算架构的重大转变,导致了云连续体的兴起,这是一种将云服务与边缘计算和雾计算相结合的灵活框架。虽然现有的调查论文提供了有价值的见解,但它们往往狭隘地集中在连续体的特定方面,或者没有充分处理其不断发展的复杂性。这些限制强调了对该领域进行全面和最新分析的必要性。本研究通过对云连续体的广泛回顾,涵盖其在加强资源管理、改进实时数据处理、集成机器学习方法和优化不同应用程序的用户体验方面的作用,弥合了这些差距。我们将研究边缘设备、雾节点和云基础设施如何协同作用,以实现分散的数据处理,减少智能城市、医疗保健和自动驾驶汽车等关键领域的延迟。此外,本研究还探讨了跨边缘、雾层和云层的机器学习集成,重点是推理和分布式学习方法。通过强调这些技术如何提高效率、可伸缩性和智能决策,本文提供了对云连续体的整体看法。我们的分析为未来的研究方向提供了有价值的见解,强调了能够推动下一代计算系统走向更高效率和适应性的创新。
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引用次数: 0
CoCL: EEG connectivity-guided contrastive learning for seizure detection 脑电图连接引导下的对比学习检测癫痫发作
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.06.004
Hyeon-Jin Im , Jiye Kim , Sunyoung Kwon
Epilepsy is a neurological disorder characterized by repetitive seizures, making early prediction crucial for patient safety and quality of life. Traditional detection methods primarily rely on time–frequency information from EEG signals. However, since EEG signals are interconnected and abnormal activity spreads across brain regions, understanding their connectivity is essential. This study proposes CoCL, a novel representation learning approach that employs contrastive learning with EEG connectivity-guided supervision to capture these interconnections. When applied during pretraining and transferred to seizure detection, CoCL outperforms state-of-the-art methods and maintains high accuracy with only 6 EEG channels, reducing the need for numerous electrodes.
癫痫是一种以反复发作为特征的神经系统疾病,因此早期预测对患者安全和生活质量至关重要。传统的检测方法主要依赖于脑电信号的时频信息。然而,由于脑电图信号是相互关联的,异常活动在大脑区域之间传播,了解它们的连通性是必不可少的。本研究提出了一种新的表征学习方法CoCL,该方法采用对比学习和脑电图连接引导监督来捕捉这些相互联系。当在预训练期间应用并转移到癫痫检测时,CoCL优于最先进的方法,并仅使用6个EEG通道保持高精度,减少了对众多电极的需求。
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引用次数: 0
TMNet: Transformer-fused multimodal framework for emotion recognition via EEG and speech 基于脑电和语音的情感识别的多模态转换融合框架
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.04.007
Md Mahinur Alam , Mohamed A. Dini , Dong-Seong Kim , Taesoo Jun
In the evolving field of emotion recognition, which intersects psychology, human–computer interaction, and social robotics, there is a growing demand for more advanced and accurate frameworks. The traditional reliance on single-modal approaches has given way to a focus on multimodal emotion recognition, which offers enhanced performance by integrating multiple data sources. This paper introduces TMNet, an innovative multimodal emotion recognition framework that leverages both speech and Electroencephalography (EEG) signals to deliver superior accuracy. This framework utilizes cutting-edge technology, employing a Transformer model to effectively fuse the CNN-BiLSTM and BiGRU architectures, creating a unified multimodal representation for enhanced emotion recognition performance. By utilizing a diverse set of datasets RAVDESS, SAVEE, TESS, and CREMA-D for speech, along with EEG signals captured via the Muse headband. The multimodal model achieves impressive accuracies of 98.89% for speech and EEG signal processing.
在不断发展的情感识别领域,它与心理学、人机交互和社交机器人技术相交叉,对更先进、更准确的框架的需求日益增长。传统的对单模态方法的依赖已经让位于对多模态情感识别的关注,多模态情感识别通过集成多个数据源提供增强的性能。本文介绍了TMNet,一个创新的多模态情感识别框架,利用语音和脑电图(EEG)信号来提供卓越的准确性。该框架利用尖端技术,采用Transformer模型有效融合CNN-BiLSTM和BiGRU架构,创建统一的多模态表示,以增强情感识别性能。通过利用RAVDESS、SAVEE、TESS和CREMA-D等不同的语音数据集,以及通过Muse头带捕获的脑电图信号。多模态模型在语音和脑电信号处理方面达到了令人印象深刻的98.89%的准确率。
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引用次数: 0
Region-aware knowledge distillation between monocular camera-based 3D object detectors 基于单目摄像机的三维目标检测器的区域感知知识提取
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.04.012
Se-Gwon Cheon, Hyuk-Jin Shin, Seung-Hwan Bae
Recent knowledge distillation (KD) for 3D object detection often involves costly LiDAR or multi-camera data. We focus on monocular camera-based 3D detectors, where missing 3D cues cause large feature gaps. To address this, we propose region-aware KD, aligning object features by matching their scales and pyramid levels. We introduce a probabilistic distribution to weigh region importance. Applied to MonoRCNN++ and MonoDETR on the KITTI and Waymo dataset, our approach achieves reduced complexity and strong performance with a lightweight backbone. Compared to recent KD methods, ours excels in both effectiveness and efficiency.
最近用于三维目标检测的知识蒸馏(KD)通常涉及昂贵的激光雷达或多相机数据。我们专注于基于单目相机的3D探测器,其中缺少3D线索会导致大的特征空白。为了解决这个问题,我们提出了区域感知KD,通过匹配目标的尺度和金字塔水平来对齐目标特征。我们引入一个概率分布来衡量区域的重要性。应用于KITTI和Waymo数据集上的monorcn++和MonoDETR,我们的方法通过轻量级主干实现了降低复杂性和强大的性能。与最近的KD方法相比,我们的方法在有效性和效率方面都很出色。
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引用次数: 0
Authentication protocol for vehicular networks using Zero-Knowledge Proofs and Elliptic Curve Cryptography 基于零知识证明和椭圆曲线密码的车用网络认证协议
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.04.014
Nai-Wei Lo , Chi-Ying Chuang , Jheng-Jia Huang , Yu-Xuan Luo
With the rise of the Internet of Vehicles (IoV), secure and efficient authentication is essential to prevent cyber threats. This paper proposes a session key establishment protocol using Zero-Knowledge Proofs (zk-SNARKs) and Elliptic Curve Cryptography (ECC), including the Elliptic Curve Diffie–Hellman (ECDH) key exchange, to ensure privacy and efficiency. While zk-SNARK computations introduce additional verification overhead, our optimizations, such as precomputed proof parameters and lightweight session re-authentication, mitigate delays. Performance evaluation shows a 20% reduction in computation overhead and a 75% faster re-authentication time compared to existing methods, making it a secure and practical solution for real-world IoV applications.
随着车联网(IoV)的兴起,安全高效的身份验证对于防范网络威胁至关重要。本文提出了一种基于零知识证明(zk- snark)和椭圆曲线密码学(ECC)的会话密钥建立协议,包括椭圆曲线Diffie-Hellman (ECDH)密钥交换,以保证隐私和效率。虽然zk-SNARK计算引入了额外的验证开销,但我们的优化,如预先计算的证明参数和轻量级会话重新身份验证,减轻了延迟。性能评估显示,与现有方法相比,计算开销减少了20%,重新认证时间缩短了75%,使其成为现实世界车联网应用的安全实用解决方案。
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引用次数: 0
Lightweight federated learning-based intrusion detection system for industrial internet of things 面向工业物联网的轻量级联邦学习入侵检测系统
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.05.002
Sun-Jin Lee, Il-Gu Lee
As machine learning technology advances, data security becomes increasingly important. In this study, we propose an intrusion detection mechanism based on federated learning (FL) that updates only the learning weights to minimize the risk of information leakage. Considering the limited resources of industrial Internet of Things (IIoT) nodes, we propose a learning method based on data pruning. The proposed FL-based intrusion detection model was found to be more secure than the centralized model in terms of the data leakage rate. Data pruning technology reduced the memory usage by 1.4 times while maintaining 97.7 % accuracy. The proposed method detects attacks in industrial sites where large-scale IIoT nodes are installed efficiently, and protects industrial secrets and personal information effectively.
随着机器学习技术的进步,数据安全变得越来越重要。在本研究中,我们提出了一种基于联邦学习(FL)的入侵检测机制,该机制只更新学习权值,以最小化信息泄漏的风险。针对工业物联网节点资源有限的问题,提出了一种基于数据剪枝的学习方法。在数据泄漏率方面,本文提出的入侵检测模型比集中式模型更安全。数据修剪技术减少了1.4倍的内存使用,同时保持了97.7%的准确性。该方法在大规模工业物联网节点部署的工业现场高效检测攻击,有效保护工业机密和个人信息。
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引用次数: 0
A novel ensemble XGBoost and deep Q-network for pregnancy risk prediction on multi-class imbalanced datasets 基于XGBoost和deep Q-network的多类不平衡数据妊娠风险预测
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.05.010
Kurnianingsih , Sou Nobukawa , Melyana Nurul Widyawati , Cipta Pramana , Nurseno Bayu Aji , Afandi Nur Aziz Thohari , Dwiana Hendrawati , Eri Sato-Shimokawara , Naoyuki Kubota
Addressing imbalanced data is essential for accurate prediction. We propose a novel ensemble method of XGBoost and deep Q-learning networks (DQN) for pregnancy risk prediction. First, we train the majority class utilizing XGBoost. We subsequently utilize DQN to train the minority class into binary classifications. Finally, we use the trained models from DQN and XGBoost in ensemble learning to generate the final classification results. The XGBoost-DQN model achieves high performance with 0.9819 in precision, recall, F1-score, and accuracy, outperforming several baseline classifiers on private data from 5313 pregnant women in Indonesia and showing superior results on public datasets.
处理不平衡数据对于准确预测至关重要。我们提出了一种新的基于XGBoost和深度q -学习网络(DQN)的妊娠风险预测集成方法。首先,我们使用XGBoost训练大多数类。随后,我们利用DQN将少数类训练成二元分类。最后,我们使用集成学习中来自DQN和XGBoost的训练模型来生成最终的分类结果。XGBoost-DQN模型在精密度、召回率、f1得分和准确率方面均达到0.9819的高性能,在印度尼西亚5313名孕妇的私人数据上优于几个基线分类器,在公共数据集上表现优异。
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引用次数: 0
RIS-enabled cooperative symbiotic radio communications with movable antennas 具有可移动天线的riss支持的协作共生无线电通信
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.04.013
Bin Lyu, Wenqing Hong
This paper proposes a cooperative commensal and parasitic (CCP) scheme for reconfigurable intelligent surface (RIS) enabled symbiotic radio communications, utilizing movable antennas to improve the performance of both primary and secondary systems by dynamically updating their positions. Two types of RIS utilize the CCP scheme to send their respective secondary information to the primary user (PU) by reusing the primary signals from the base station (BS). A primary transmission rate maximization problem is formulated and further solved by a proposed two-layer alternating optimization algorithm with advanced techniques. Numerical results show that compared to the scheme with fixed position antennas, our proposed scheme can increase the primary transmission rate by 11.7%, demonstrating its effectiveness.
本文提出了一种用于可重构智能表面(RIS)共生无线电通信的合作共寄生(CCP)方案,利用可移动天线通过动态更新主、次系统的位置来提高主、次系统的性能。两种类型的RIS利用CCP方案通过重用来自基站(BS)的主信号向主用户(PU)发送各自的辅助信息。提出了一种采用先进技术的双层交替优化算法,进一步解决了主传输速率最大化问题。数值结果表明,与固定位置天线方案相比,该方案可使主传输速率提高11.7%,证明了该方案的有效性。
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引用次数: 0
Using large language models for semantic interoperability: A systematic literature review 使用大型语言模型实现语义互操作性:系统的文献综述
IF 4.2 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2025-08-01 DOI: 10.1016/j.icte.2025.06.011
Bilal Abu-Salih , Salihah Alotaibi , Albandari Lafi Alanazi , Ruba Abu Khurma , Bashar Al-Shboul , Ansar Khouri , Mohammed Aljaafari
Semantic Interoperability (SI) enables cross-domain data integration by allowing diverse systems to share and process information effectively. While existing reviews focus on general AI-driven interoperability, this systematic literature review (SLR) is the first to exclusively analyze the integration of Large Language Models (LLMs) with SI. This SLR uniquely evaluates LLMs' role in schema alignment, knowledge integration, and security risks. It also introduces a novel taxonomy and identifies challenges like bias propagation and computational costs, providing a new research framework for adversarial robustness, ethical AI, and real-world SI optimization.
This is an open access article under the CC BY-NCND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
语义互操作性(Semantic Interoperability, SI)允许不同的系统有效地共享和处理信息,从而实现跨域数据集成。虽然现有的评论集中在一般的人工智能驱动的互操作性上,但这篇系统性的文献综述(SLR)是第一个专门分析大型语言模型(llm)与SI集成的文献综述。该SLR唯一地评估llm在模式对齐、知识集成和安全风险方面的角色。它还引入了一种新的分类法,并确定了偏见传播和计算成本等挑战,为对抗性鲁棒性、道德人工智能和现实世界的SI优化提供了新的研究框架。这是一篇基于CC BY-NCND许可(http://creativecommons.org/licenses/by-nc-nd/4.0/)的开放获取文章。
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引用次数: 0
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ICT Express
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