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Multimodal Gas Detection Using E-Nose and Thermal Images:An Approach Utilizing SRGAN and Sparse Autoencoder
《Computers, Materials & Continua》2025年第5期3493-3517,共25页Pratik Jadhav Vuppala Adithya Sairam Niranjan Bhojane Abhyuday Singh Shilpa Gite Biswajeet Pradhan Mrinal Bachute Abdullah Alamri 
funded by the Centre for Advanced Modelling and Geospatial Information Systems(CAMGIS),Faculty of Engineering and IT,University of Technology Sydney;supported by the Researchers Supporting Project,King Saud University,Riyadh,Saudi Arabia,under Project RSP2025 R14.
Electronic nose and thermal images are effective ways to diagnose the presence of gases in real-time realtime.Multimodal fusion of these modalities can result in the development of highly accurate diagnostic systems.T...
关键词：Thermal imaging gas detection multimodal learning generative models autoencoders 
Sparse-view phase-contrast and attenuation-based CT reconstruction utilizing model-driven deep learning
《Nuclear Science and Techniques》2025年第4期59-71,共13页Xia-Yu Tao Qi-Si Lin Zhao Wu Yong Guan Yang-Chao Tian Gang Liu 
supported by the National Natural Science Foundation of China(Nos.U2032148,U2032157,11775224);USTC Research Funds of the Double First-Class Initiative(No.YD2310002008);the National Key Research and Development Program of China(No.2017YFA0402904),the Youth Innovation Promotion Association,CAS(No.2020457)。
Grating-based X-ray phase-contrast imaging enhances the contrast of imaged objects,particularly soft tissues.However,the radiation dose in computed tomography(CT)is generally excessive owing to the complex collection ...
关键词：Sparse-view CT Phase-contrast CT Attenuation-based CT Deep learning network Frequency loss function 
Efficient and lightweight 3D building reconstruction from drone imagery using sparse line and point clouds
《虚拟现实与智能硬件(中英文)》2025年第2期111-126,共16页Xiongjie YIN Jinquan HE Zhanglin CHENG 
Supported by the Guangdong Major Project of Basic and Applied Basic Research(2023B0303000016),and the National Natural Science Foundation of China(U21A20515).
Efficient three-dimensional(3D)building reconstruction from drone imagery often faces data acquisition,storage,and computational challenges because of its reliance on dense point clouds.In this study,we introduced a n...
关键词：3D reconstruction Line clouds Sparse clouds Lightweight models 
Exploring & exploiting high-order graph structure for sparse knowledge graph completion
《Frontiers of Computer Science》2025年第2期31-42,共12页Tao HE Ming LIU Yixin CAO Zekun WANG Zihao ZHENG Bing QIN 
supported by the National Key R&D Program of China(2022YFF0903301);the National Natural Science Foundation of China(Grant Nos.U22B2059,61976073,62276083);the Shenzhen Foundational Research Funding(JCYJ20200109113441941);the Major Key Project of PCL(PCL2021A06).
Sparse Knowledge Graph(KG)scenarios pose a challenge for previous Knowledge Graph Completion(KGC)methods,that is,the completion performance decreases rapidly with the increase of graph sparsity.This problem is also ex...
关键词：knowledge graph completion graph neural networks reinforcement learning 
Sparse optimization of planar radio antenna arrays using a genetic algorithm
《Astronomical Techniques and Instruments》2025年第2期100-110,共11页Jiarui Di Liang Dong Wei He 
supported by the Ministry of Science and Technology SKA Special Project(2020SKA0110202);the Special Project on Building a Science and Technology Innovation Center for South and Southeast Asia–International Joint Innovation Platform in Yunnan Province:"Yunnan Sino-Malaysian International Joint Laboratory of HF-VHF Advanced Radio Astronomy Technology"(202303AP140003);the National Natural Science Foundation of China (NSFC) Joint Fund for Astronomy (JFA) incubator program (U2031133);the International Partnership Program Project of the International Cooperation Bureau of the Chinese Academy of Sciences:"Belt and Road"Cooperation (114A11KYSB20200001);the Kunming Foreign (International) Cooperation Base Program:"Yunnan Observatory of the Chinese Academy of Sciences-University of Malaya Joint R&D Cooperation Base for Advanced Radio Astronomy Technology"(GHJD-2021022);the China-Malaysia Collaborative Research on Space Remote Sensing and Radio Astronomy Observation of Space Weather at Low and Middle Latitudes under the Key Special Project of the State Key R&D Program of the Ministry of Science and Technology for International Cooperation in Science,Technology and Innovation among Governments (2022YFE0140000);the High-precision calibration method for low-frequency radio interferometric arrays for the SKA project of the Ministry of Science and Technology(2020SKA0110300).
Radio antenna arrays have many advantages for astronomical observations,such as high resolution,high sensitivity,multi-target simultaneous observation,and flexible beam formation.Problems surrounding key indices,such ...
关键词：Planar antenna array Sparse optimization Genetic algorithm Wide-angle scanning 
Ship Path Planning Based on Sparse A^(*)Algorithm
《哈尔滨工程大学学报(英文版)》2025年第1期238-248,共11页Yongjian Zhai Jianhui Cui Fanbin Meng Huawei Xie Chunyan Hou Bin Li 
Supported by the Tianjin University of Technology Graduate R esearch Innovation Project(YJ2281).
An improved version of the sparse A^(*)algorithm is proposed to address the common issue of excessive expansion of nodes and failure to consider current ship status and parameters in traditional path planning algorith...
关键词：Sparse A^(*)algorithm Path planning RASTERIZATION Coordinate transformation Image preprocessing 
Non-Line-of-Sight Multipath Classification Method for BDS Using Convolutional Sparse Autoencoder with LSTM
《Tsinghua Science and Technology》2025年第1期68-86,共19页Yahang Qin Zhenni Li Shengli Xie Bo Li Ming Liu Victor Kuzin 
supported in part by the National Natural Science Foundations of China(Nos.62273106,62203122,62320106008,62373114,62203123,and 62073086);in part by Guangdong Basic and Applied Basic Research Foundation(Nos.2023A1515011480 and 2023A1515011159);in part by China Postdoctoral Science Foundation funded project(No.2022M720840).
Multipath signal recognition is crucial to the ability to provide high-precision absolute-position services by the BeiDou Navigation Satellite System(BDS).However,most existing approaches to this issue involve supervi...
关键词：convolutional sparse autoencoder BeiDou Navigation Satellite System(BDS) long short-term memory(LSTM) multipath classification 
Efficient blocked symmetric compressed sparse column method for finite element analysis
《Frontiers of Mechanical Engineering》2025年第1期87-104,共18页Yingjun WANG Shijie LUO Jinyu GU Yuanfang ZHANG 
supported by the National Natural Science Foundation of China(Grant No.52075184);Guangdong Basic and Applied Basic Research Foundation,China(Grant No.2024A1515011786).
In finite element analysis(FEA),optimizing the storage requirements of the global stiffness matrix and enhancing the computational efficiency of solving finite element equations are pivotal objectives.To address these...
关键词：finite element analysis global stiffness matrix blocked symmetric property memory reduction isogeometric analysis 
Towards reliable object representation via sparse directional patches and spatial center cues
《Fundamental Research》2025年第1期354-359,共6页Muwei Jian Hui Yu 
supported by National Natural Science Foundation of China(61976123,61601427);Taishan Young Scholars Program of Shandong Province;Key Development Program for Basic Research of Shandong Province(ZR2020ZD44);Royal Society-K.C.Wong International Fellowship(NIF\R1\180909).
In the process of image understanding,the human visual system(HVS)performs multiscale analysis on various objects.HVS primarily focuses on marginally conspicuous image patches located within or around distinct objects...
关键词：Multiscale analysis Image patches Visual perception Shearlet transform Object representation 
Hysteresis modeling and compensation of piezo actuator with sparse regression
《Journal of Systems Engineering and Electronics》2025年第1期48-61,共14页JIN Yu WANG Xucheng XU Yunlang YU Jianbo LU Qiaodan YANG Xiaofeng 
National Natural Science Foundation of China(62203118)。
Piezo actuators are widely used in ultra-precision fields because of their high response and nano-scale step length.However,their hysteresis characteristics seriously affect the accuracy and stability of piezo actuato...
关键词：sparse identification of nonlinear dynamics(SINDy) hysteresis loop relay operator sparse regression piezo actuator 
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