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Detection in Optical Remote Sensing Images of Transmission Tower Based on Oriented Object Detection

CSEE Journal of Power and Energy Systems 2025年第1期11卷 217-226页

作者： Yuanpeng Tan Fei Jiao Wenhao Mo Haiying Liu Xiaojing Bai Jiaxiu Ma China Electric Power research institute Beijing 100192China China Electric Power research institute and North China Electric Power University Beijing100192China China Electric Power research institute and State Grid Corporation of China Information and communication Branch Beijing100192China

Transmission towers play a crucial role in overhead transmission line systems and are the key target of transmission line *** the help of remote sensing technology,transmission towers can be effectively detected in wide areas at reasonable costs and in a relatively short time ***,it is difficult to identify the type of transmission towers in optical remote sensing images due to detail degradation caused by long-distance and high-altitude *** paper proposes a transmission tower detection method in optical remote sensing images using an oriented object detector and object and shadow joint *** enrich the information,the transmission towers and their shadows are jointly detected through a CenterNet detector with an orientation prediction *** improve the detection accuracy of difficult objects,attention and deformable convolutional network modules are introduced to the backbone and orientation prediction branches,*** the orientation and the aspect ratio of the objects and shadows,a focal loss function with an aspect ratio is employed to further improve the *** and shadow joint detection are separately realized through the one-box and multi-box detection strategies.A transmission tower dataset RSITT labeled with horizontal and oriented boxes is *** conducted on the RSITT dataset have demonstrated that the detection accuracy and recall rate of the proposed joint detection algorithm reached 73.2%and 95.2%.

关键词： Oriented object detection remote sensing image transmission projection transmission tower detection

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Using piezoelectric technology to harvest energy from pavement: A review

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Journal of Traffic and Transportation Engineering(English Edition) 2025年第01期 68-86页

作者： Keliang Mou Xiaoping Ji Jie Liu Haoyu Zhou Haochen Tian Xiaojuan Li Honghui Liu School of highway Chang'an University Xinjiang communications Planning SurveyDesign and Research Institute Co.Ltd. Technology Development Group Co. Ltd.Shaanxi Transportation Holding Group Xi'an highway research institute Co. Ltd.

A key point in building a contemporary energy system is the search for sustainable and green energy. Many green energy sources exist in the road or pavement domain, such as solar, thermal, wind, and mechanical energy, etc. Under the repeated vehicle loads,stresses and strains are generated in the pavement, which can generate substantial mechanical energy. In recent two decades, there has been a growing scholarly preference for utilizing the piezoelectric effect to convert mechanical energy from pavement into electricity to supply low-power transportation facilities, pavement sensors, etc. This paper provides an in-depth review of state-of-the-art advances in road piezoelectric energy harvesters. The basic principle of piezoelectric energy harvesting and common piezoelectric materials were briefly introduced. The piezoelectric energy harvesters suitable for roads are thoroughly reviewed from five perspectives: structure, finite element analyses,protective packaging, management circuit, and application. Finally, the challenges faced by piezoelectric energy harvesters for pavements were summarized, and the potential research directions were also proposed. This review serves as a valuable reference for advancing road piezoelectric harvesting technology development.

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Gamma oscillations and their role in orchestrating balance and communication following stroke

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Neural Regeneration research 2025年第2期20卷 477-478页

作者： Montana Samantzis Cong Wang Matilde Balbi Queensland Brain institute The University of QueenslandBrisbaneQLDAustralia Engineering research Centre of Traditional Chinese Medicine Intelligent Rehabilitation Ministry of EducationShanghaiChina

Induced brain oscillations in the gamma range have recently garnered attention due to their reported neuroprotective effects in the treatment of Alzheimer’s *** method differs from pharmacological approaches by tapping into the neuronal population dynamics that underlie the homeostatic processes in the brain that are crucial for the recovery of ***,induced gamma-range oscillations have been used to improve cerebral blood flow,motor function,and synaptic plasticity in a mouse model of focal stroke,highlighting the broad potential of recruiting intrinsic recovery processes for the treatment of neurological *** open questions,such as the frequency specificity of the benefits,will shed light on the intrinsic processes involved and allow clinicians to optimize recovery after stroke.

关键词： protective specificity Alzheimer

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GUEST EDITORIAL Efficient Cooperative Transmission over Satellite Internet for 6G

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China communications 2025年第2期22卷 6-8页

作者： Zhu Lidong Michele Luglio Sun Zhili Zhang Gengxin Yang Mingchuan University of Electronic Science and Technology of China University of Rome “Tor Vergata” the institute for communication Systems (ICS) Nanjing University of Posts and Telecommunications communication research Center Harbin institute of Technology

Satellite Internet, as a strategic public information infrastructure, can effectively bridge the limitations of traditional terrestrial network coverage, support global coverage and deep space exploration, and greatly... 详细信息

关键词： Special issues and sections Satellite communications Internet Deep-space communications Public infrastructure 5G mobile communication 6G mobile communication Information services Global communication Human factors Terrestrial communications communication systems

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Energy-Efficient D2D-Aided Dual UAV Data Collection

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Chinese Journal of Electronics 2025年第1期34卷 176-185页

作者： Qiulei Huang Wei Wang Zhaohui Song Nan Zhao School of Information and communication Engineering Dalian University of Technology Space Information research institute Hangzhou Dianzi University

Aided by device-to-device(D2D) connections, unmanned aerial vehicle(UAV) can significantly enhance the coverage of wireless communications. In this paper, we consider a data collection system with the assistance of D2D, where two fixed-wing UAVs as aerial base stations cooperatively serve the ground devices. To accommodate more devices, we propose two effective algorithms to establish the multi-hop D2D connections. Then, the user scheduling, UAV trajectory, and transmit power are jointly optimized to maximize the energy efficiency, which is a non-convex problem. Accordingly, we decompose it into three subproblems. The scheduling optimization is first converted into a linear programming. Then, the trajectory design and the transmit power optimization are reformulated as two convex problems by the Dinkelbach method. Finally, an iterative algorithm is proposed to effectively solve the original problem. Simulation results are presented to verify the effectiveness of the proposed scheme.

关键词： Wireless communication Simulation Data collection Autonomous aerial vehicles Linear programming Energy efficiency Trajectory Device-to-device communication Iterative methods Optimization

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Effects of the Lithologic Character of Manufactured Sand on Properties of Concrete

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Journal of Wuhan University of Technology(Materials Science) 2014年第6期29卷 1213-1218页

作者：王稷良 YANG Zhifeng LIU Yihan research institute of highway ministry of communication

Six representative parent rocks of sand, including limestone, quartzite, gneisses, granite, Basalt and Marble were selected to conduct a systematical research on the effects of various lithologies of manufactured sand on the workability, mechanism properties, volume stability and durability of manufacturedsand concrete. The experimental results show that the strength of manufactured-sand concrete is slightly higher than that of natural-sand concrete. Furthermore, substituting 15% cement of the concrete mixture with equal quantity of the six different lithology stone powder respectively, the data indicated that they can improve the concrete’s workability, postpone the plastic cracking time, enhance the anti-cracking grade, and have no obvious effect on the properties of antifreeze and sulfate attack resistance but reduce the capability to resist chloride ion penetration. Moreover, the differences in concrete’s workability, mechanism properties, volume stability and durability caused by various lithologies of manufactured sand and stone powder were not significant and the influence of lithology variety on the macro properties of concrete could be neglected eventually.

关键词： manufactured sand lithologic character workability volume stability durability

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Oligodendroglial heterogeneity in health,disease,and recovery:deeper insights into myelin dynamics

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Neural Regeneration research 2025年第11期20卷 3179-3192页

作者： Pieter-Jan Serneels Julie D.De Schutter Lies De Groef Lieve Moons Steven Bergmans KU Leuven Leuven Brain InstituteDepartment of BiologyAnimal Physiology and Neurobiology DivisionNeural Circuit Development&Regeneration Research GroupLeuvenBelgium KU Leuven Leuven Brain InstituteDepartment of BiologyAnimal Physiology and Neurobiology DivisionCellular Communication&Neurodegeneration Research GroupLeuvenBelgium

Decades of research asserted that the oligodendroglial lineage comprises two cell types:oligodendrocyte precursor cells and ***,recent studies employing single-cell RNA sequencing techniques have uncovered novel cell states,prompting a revision of the existing *** forward,the oligodendroglial lineage should be delineated into five distinct cell states:oligodendrocyte precursor cells,committed oligodendrocyte precursor cells,newly formed oligodendrocytes,myelin-forming oligodendrocytes,and mature *** new classification system enables a deeper understanding of the oligodendroglia in both physiological and pathological *** this uniform terminology will facilitate comparison and integration of data across ***,including the consolidation of findings from various demyelinating models,is essential to better understand the pathogenesis of demyelinating ***,comparing injury models across species with varying regenerative capacities can provide insights that may lead to new therapeutic strategies to overcome remyelination ***,by standardizing terminology and synthesizing data from diverse studies across different animal models,we can enhance our understanding of myelin pathology in central nervous system disorders such as multiple sclerosis,Alzheimer's disease,and amyotrophic lateral sclerosis,all of which involve oligodendroglial and myelin dysfunction.

关键词： animal models demyelination fish mammals multiple sclerosis myelin neurodegeneration oligodendrocytes oligodendroglial lineage remyelination

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PriChain: Efficient Privacy-Preserving Fine-Grained Redactable Blockchains in Decentralized Settings

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Chinese Journal of Electronics 2025年第1期34卷 82-97页

作者： Hongchen Guo Weilin Gan Mingyang Zhao Chuan Zhang Tong Wu Liehuang Zhu Jingfeng Xue School of Computer Science and Technology Beijing Institute of Technology School of Cyberspace Science and Technology Beijing Institute of Technology School of Computer and communication Engineering University of Science and Technology Beijing

Recently, redactable blockchain has been proposed and leveraged in a wide range of real systems for its unique properties of decentralization, traceability, and transparency while ensuring controllable on-chain data redaction. However, the development of redactable blockchain is now obstructed by three limitations, which are data privacy breaches, high communication overhead, and low searching efficiency, respectively. In this paper, we propose PriChain, the first efficient privacy-preserving fine-grained redactable blockchain in decentralized settings. PriChain provides data owners with rights to control who can read and redact on-chain data while maintaining downward compatibility, ensuring the one who can redact will be able to read. Specifically, inspired by the concept of multi-authority attribute-based encryption, we utilize the isomorphism of the access control tree, realizing fine-grained redaction mechanism, downward compatibility, and collusion resistance. With the newly designed structure, PriChain can realize O（n） communication and storage overhead compared to prior O（n2） schemes. Furthermore, we integrate multiple access trees into a tree-based dictionary, optimizing searching efficiency. Theoretical analysis proves that PriChain is secure against the chosen-plaintext attack and has competitive complexity. The experimental evaluations show that PriChain realizes 10× efficiency improvement of searching and 100× lower communication and storage overhead on average compared with existing schemes.

关键词： Resistance Access control Data privacy Dictionaries Blockchains Encryption Complexity theory Usability Protection

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Channel-Aware Handover Management for Space-Air-Ground Integrated Networks

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China communications 2025年第2期22卷 62-76页

作者： Chen Nuo Sun Zhili Song Yujie Cao Yue Xia Xu Aduwati Binti Sali School of Cyber Science and Engineering Wuhan UniversityWuhan 430000China institute of communication Systems University of SurreyGuildford GU27XHU.K. 6G research Center China Telecom Research InstituteBeijing 102200China institute for Mathematical research(INSPEM) Universiti Putra Malaysia(UPM)43400 SerdangSelangorMalaysia

To support ubiquitous communication and enhance other 6G applications,the Space-Air-Ground Integrated Network(SAGIN)has become a research ***,satellite-ground fusion technologies integrate network entities from space,aerial,and terrestrial ***,they face challenges such as spectrum scarcity and inefficient satellite *** paper explores the Channel-Aware Handover Management(CAHM)strategy in SAGIN for data ***,CAHM utilizes the data receiving capability of Low Earth Orbit(LEO)satellites,considering satellite-ground distance,free-space path loss,and channel ***,CAHM assesses LEO satellite data forwarding capability using signal-to-noise ratio,link duration and buffer queue ***,CAHM applies historical data on LEO satellite transmission successes and failures to effectively reduce overall interruption *** results show that CAHM outperforms baseline algorithms in terms of delivery ratio,latency,and interruption ratio.

关键词： channel modeling seamless handover space-air-ground integrated network

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LOBO Optimization-Tuned Deep-Convolutional Neural Network for Brain Tumor Classification Approach

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Journal of Shanghai Jiaotong university(Science) 2025年第1期30卷 107-114页

作者： A.Sahaya Anselin Nisha NARMADHA R. AMIRTHALAKSHMIT.M. BALAMURUGAN V. VEDANARAYANAN V. School of Electrical and Electronics Sathyabama Institute of Science and TechnologyChennaiTamil Nadu600119India Department of Electronics and communication Engineering SRM Institute of Science and TechnologyRamapuram CampusChennaiTamil Nadu600089India

The categorization of brain tumors is a significant issue for healthcare *** and timely identification of brain tumors is important for employing an effective treatment of this *** tumors possess high changes in terms of size,shape,and amount,and hence the classification process acts as a more difficult research *** paper suggests a deep learning model using the magnetic resonance imaging technique that overcomes the limitations associated with the existing classification *** effectiveness of the suggested method depends on the coyote optimization algorithm,also known as the LOBO algorithm,which optimizes the weights of the deep-convolutional neural network *** accuracy,sensitivity,and specificity indices,which are obtained to be 92.40%,94.15%,and 91.92%,respectively,are used to validate the effectiveness of the suggested *** result suggests that the suggested strategy is superior for effectively classifying brain tumors.

关键词： brain tumor magnetic resonance imaging deep learning deep-convolutional neural network classifier LOBO optimization

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