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Alterations of interhemispheric functional connectivity in patients with hypertensive retinopathy using voxelmirrored homotopic connectivity:a resting state fMRI study
《International Journal of Ophthalmology(English edition)》2025年第2期297-307,共11页Xue-Lin Wang Yu Chen Jin-Yu Hu Hong Wei Qian Ling Liang-Qi He Cheng Chen Yi-Xin Wang Yan-Mei Zeng Xiao-Yu Wang Qian-Min Ge Xu Chen Yi Shao 
Supported by National Natural Science Foundation of China(No.82160195,No.82460203).
AIM:To analyze whether alterations of voxel mirror homology connectivity(VMHC)values,as determined by resting-state functional magnetic resonance imaging(rsfMRI),occur in cerebral regions of patients with hypertensive...
关键词：hypertensive retinopathy voxel-mirrored homotopic connectivity NEUROIMAGING functional MRI resting state 
Point-Voxel Based Geometry-Adaptive Network for 3D Point Cloud Analysis
《Journal of Computer Science & Technology》2024年第5期1167-1179,共13页Tian-Meng Zhao Hui Zeng Bao-Qing Zhang Hong-Min Liu Bin Fan 
supported by the National Natural Science Foundation of China under Grant Nos.62273034,61973029,and 62076026;the Scientific and Technological Innovation Foundation of Foshan under Grant No.BK21BF004.
Point cloud analysis is challenging because of the unordered and irregular data structure of point clouds.To describe geometric information in point clouds,existing methods mainly use convolution,graph,and attention o...
关键词：point cloud geometric feature multi-representation part segmentation shape classification 
PVS-CNN:子流稀疏卷积优化的Point-Voxel CNN
《计算机应用与软件》2024年第4期135-141,199,共8页孙亚兰 林云汉 
湖北省自然科学基金青年项目(2020CFB116);国家自然科学基金项目(62073249);湖北省教育厅科学研究计划中青年人才项目(Q20191108);湖北省技术创新专项重大项目(2019AAA071)。
针对经典的三维卷积网络在模型较大的场景上分割和检测的效率低和内存占用大的问题,提出PVS-CNN网络框架,通过更新哈希表和特征稀疏矩阵的方式实现了效率高且占用低的三维卷积,引用子流稀疏卷积改进PV-Conv。将PVS-CNN在ShapeNet和S3DI...
关键词：三维点云 效率 内存占用 分割 目标检测 子流稀疏卷积 
3D simulation of image-defined complex internal features using the numerical manifold method
《Science China(Technological Sciences)》2024年第4期1023-1039,共17页WU Jie MA GuoWei 
supported by the National Natural Science Foundation of China(Grant Nos.41807277,42172306,and U1965204);the Natural Science Foundation of Hebei Province(Grant No.D2019202440)。
The numerical simulation of internal features,such as inclusions and voids,is important to analyze their impact on the performance of composite materials.However,the complex geometries of internal features and the ind...
关键词：3D continuous-discontinuous simulation image-based simulation complex internal features numerical manifold method voxel crack model structured mesh 
Brain mechanism of acupuncture for children with anisometropic amblyopia: a resting functional magnetic resonance imaging study based on voxel-mirrored homotopic connectivity
《International Journal of Ophthalmology(English edition)》2024年第2期339-347,共9页Jue Wang Jing Jia Yan Sun Chong-Bing Ma Yu-Zhu Chen An-Guo Liu Xing-Ke Yan 
Supported by National Natural Science Foundation of China(No.82160935,No.82260965);Traditional Chinese Medicine Discipline“Qi Huang Ying Cai”Tutor Special Fund Doctoral Program(No.ZYXKBD-202208);Higher Education Innovation Fund Project of Gansu Province(No.2021A-087);Natural Science Foundation of Gansu Province(No.22JR5RA583);Traditional Chinese Medicine Discipline“Qi Huang Ying Cai”Tutor Special Fund Master’s Supervisor Program(No.ZYXKSD-202220);Youth Research Fund Project of Gansu University of Chinese Medicine(No.ZQ2017-9);Gansu Province 2023 Provincial Key Talent Project(No.2).
AIM:To explore the brain mechanism of acupuncture for children with anisometropic amblyopia using the voxelmirror homotopic connectivity(VMHC)analysis method of resting functional magnetic resonance imaging(rs-fMRI)te...
关键词：resting functional magnetic resonance imaging voxel-mirror homotopy connection anisometropic amblyopia ACUPUNCTURE 
The Flipping-Free Full-Parallax Tabletop Integral Imaging with Enhanced Viewing Angle Based on Space-Multiplexed Voxel Screen and Compound Lens Array
《Computer Modeling in Engineering & Sciences》2023年第9期3197-3211,共15页Peiren Wang Jinqiang Bi Zilong Li Xue Han Zhengyang Li Xiaozheng Wang 
The Basic Research Fund of Central-Level Nonprofit Scientific Research Institutes(No.TKS20220304);The Key Research and Development Projects of Guangxi Science and Technology Department(No.2021AB05087).
Tabletop integral imaging display with a more realistic and immersive experience has always been a hot spot in three-dimensional imaging technology,widely used in biomedical imaging and visualization to enhance medica...
关键词：Integral imaging display flipping effect large viewing angle optimized compound lens imaging distortion 
Monte Carlo calculation of the exposure of Chinese female astronauts to earth’s trapped radiation on board the Chinese Space Station
《Chinese Physics B》2023年第7期631-638,共8页郭义盼 闫发智 方美华 张昭 成巍 郭兵 
Project supported by the Open Project Funds for the Key Laboratory of Space Photoelectric Detection and Perception(Nanjing University of Aeronautics and Astronautics),the Ministry of Industry and Information Technology of China(Grant No.NJ2022025-7);the Fundamental Research Funds for the Central Universities(Grant No.NJ2022025).
With the development of China’s crewed space mission,the space radiation risk for astronauts is increasingly prominent.This paper describes a simulation of the radiation doses experienced by a Chinese female voxel ph...
关键词：space radiation Chinese female voxel phantom China’s Space Station radiation exposure risk 
Near-ground trajectory planning for UAVs via multi-resolution hybrid voxel-surfel map被引量：2
《Science China(Technological Sciences)》2023年第5期1245-1254,共10页GAO TianYu WENG Rui WU Tong ZHANG RuiXian HAN ChengZhe JI XiaoYu LIU Ming 
supported by the National Natural Science Foundation of China(Grant Nos.62225305,12072088,62003117,and 62003118);the National Defense Basic Scientific Research Program of China(Grant No.JCKY2020603B010);the Lab of Space Optoelectronic Measurement&Perception(Grant No.LabSOMP-2021-06);the Natural Science Foundation of Heilongjiang Province,China(Grant No.ZD2020F001)。
This paper is concerned with trajectory planning problems for UAVs operating near ground.Most existing studies focus on solving the problem of collision-free trajectory planning between pre-defined path points,but ign...
关键词：near-ground trajectory planning hybrid voxel-surfel map probability-based surfel fusion operating surface tracking 
Clustering Reference Images Based on Covisibility for Visual Localization
《Computers, Materials & Continua》2023年第5期2705-2725,共21页Sangyun Lee Junekoo Kang Hyunki Hong 
supported by the Basic Science Research Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Education(NRF-2018R1D1A1B07049932).
In feature-based visual localization for small-scale scenes,local descriptors are used to estimate the camera pose of a query image.For large and ambiguous environments,learning-based hierarchical networks that employ...
关键词：Visual localization deep learning voxel representation CLUSTERING covisibility MEANSHIFT graph structure 
Sparse RGB-D images create a real thing:A flexible voxel based 3D reconstruction pipeline for single object
《Visual Informatics》2023年第1期66-76,共11页Fei Luo Yongqiong Zhu Yanping Fu Huajian Zhou Zezheng Chen Chunxia Xiao 
supported by the Key Technological Innovation Projects of Hubei Province,China(No.2018AAA062);the National Natural Science Foundation of China(No.61972298);the Ministry of Education of Humanities and Social Sciences Project,China(No.17YJC760124);the Scientific Research Project of Department of Education of Hubei Province,China(No.B2021278).
Reconstructing 3D models for single objects with complex backgrounds has wide applications like 3D printing,AR/VR,and so on.It is necessary to consider the tradeoff between capturing data at low cost and getting high-...
关键词：Sparse RGB-D 3D reconstruction TSDF Depth map 
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