咨询与建议

限定检索结果

文献类型

  • 4,487 篇 会议
  • 1,928 篇 期刊文献
  • 2 篇 学位论文
  • 2 篇 资讯

馆藏范围

  • 6,419 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 2,831 篇 工学
    • 1,061 篇 光学工程
    • 1,004 篇 电气工程
    • 474 篇 计算机科学与技术...
    • 332 篇 生物医学工程(可授...
    • 200 篇 仪器科学与技术
    • 186 篇 核科学与技术
    • 173 篇 信息与通信工程
    • 146 篇 电子科学与技术(可...
    • 99 篇 控制科学与工程
    • 96 篇 机械工程
    • 83 篇 测绘科学与技术
    • 76 篇 软件工程
    • 63 篇 材料科学与工程(可...
    • 22 篇 航空宇航科学与技...
    • 13 篇 力学(可授工学、理...
  • 2,037 篇 理学
    • 1,880 篇 物理学
    • 96 篇 数学
    • 81 篇 生物学
    • 47 篇 地球物理学
    • 36 篇 化学
    • 25 篇 系统科学
    • 22 篇 天文学
  • 857 篇 医学
    • 516 篇 临床医学
    • 465 篇 特种医学
    • 72 篇 基础医学(可授医学...
    • 44 篇 医学技术(可授医学...
    • 16 篇 中西医结合
  • 43 篇 管理学
    • 40 篇 管理科学与工程(可...
  • 14 篇 艺术学
    • 13 篇 设计学(可授艺术学...
  • 13 篇 文学
    • 13 篇 新闻传播学
  • 9 篇 农学
  • 2 篇 军事学
  • 1 篇 教育学

主题

  • 6,419 篇 reconstruction a...
  • 2,630 篇 image reconstruc...
  • 729 篇 computed tomogra...
  • 436 篇 image quality
  • 368 篇 tomography
  • 359 篇 cameras
  • 338 篇 spatial resoluti...
  • 325 篇 image processing
  • 318 篇 fourier transfor...
  • 277 篇 three-dimensiona...
  • 272 篇 iterative algori...
  • 272 篇 positron emissio...
  • 267 篇 iterative method...
  • 254 篇 imaging phantoms
  • 246 篇 image restoratio...
  • 237 篇 detectors
  • 220 篇 attenuation
  • 220 篇 surface reconstr...
  • 215 篇 inverse problems
  • 215 篇 magnetic resonan...

机构

  • 32 篇 univ chicago dep...
  • 30 篇 univ chinese aca...
  • 26 篇 department of ra...
  • 17 篇 department of ra...
  • 14 篇 department of en...
  • 14 篇 univ delaware de...
  • 14 篇 univ connecticut...
  • 13 篇 department of el...
  • 12 篇 northwest univ s...
  • 11 篇 beijing inst tec...
  • 11 篇 department of el...
  • 11 篇 school of electr...
  • 11 篇 univ calif berke...
  • 11 篇 chinese acad sci...
  • 10 篇 philips research...
  • 10 篇 department of ra...
  • 9 篇 university of mi...
  • 9 篇 molecular imagin...
  • 9 篇 department of el...
  • 9 篇 duke university ...

作者

  • 25 篇 pan xiaochuan
  • 24 篇 xiaochuan pan
  • 22 篇 b.m.w. tsui
  • 21 篇 g.l. zeng
  • 20 篇 m. defrise
  • 20 篇 chen guang-hong
  • 20 篇 j.a. fessler
  • 20 篇 g.t. gullberg
  • 19 篇 yongyi yang
  • 17 篇 m.a. king
  • 16 篇 yuan xin
  • 15 篇 p.e. kinahan
  • 15 篇 gullberg gt
  • 15 篇 c. michel
  • 14 篇 li zhang
  • 14 篇 javidi bahram
  • 13 篇 d.s. lalush
  • 13 篇 he xiaowei
  • 13 篇 r.j. jaszczak
  • 13 篇 e.c. frey

语言

  • 6,237 篇 英文
  • 169 篇 其他
  • 13 篇 中文
检索条件"主题词=Reconstruction Algorithms"
6419 条 记 录,以下是71-80 订阅
排序:
Deep Learning for Compressed Sensing-Based Blade Vibration reconstruction From Sub-Sampled Tip-Timing Signals
收藏 引用
IEEE ACCESS 2023年 11卷 38251-38262页
作者: Chen, Zhongsheng Sheng, Hao Liao, Lianying Liu, Chengwu Xiong, Yeping Changzhou Inst Technol Coll Automot Engn Changzhou 213032 Peoples R China Hunan Univ Technol Coll Elect & Informat Engn Zhuzhou 412007 Peoples R China Univ Southampton Fac Engn & Phys Sci Southampton SO16 7QF England
Blade tip-timing (BTT) signals are always seriously under sampled, so reconstruction is much needed for vibration analysis. Blade vibration responses are sparse in order domain and classical compressed sensing (CS) al... 详细信息
来源: 评论
A Total-Body Ultralow-Dose PET reconstruction Method via Image Space Shuffle U-Net and Body Sampling
收藏 引用
IEEE TRANSACTIONS ON RADIATION AND PLASMA MEDICAL SCIENCES 2024年 第4期8卷 357-365页
作者: Chen, Gaoyu Liu, Sheng Ding, Wenxiang Lv, Li Zhao, Chen Weng, Fenghua Long, Yong Zan, Yunlong Huang, Qiu Shanghai Jiao Tong Univ Univ Michigan Shanghai Jiao Tong Univ Joint Inst Shanghai 200240 Peoples R China Shanghai Jiao Tong Univ Dept Automat Shanghai 200240 Peoples R China Ruijia Technol Ltd Dept Res & Dev Shanghai 201203 Peoples R China Shanghai Jiao Tong Univ Dept Biomed Engn Shanghai 200240 Peoples R China Shanghai Jiao Tong Univ Rui Jin Hosp Sch Med Dept Nucl Med Shanghai 200240 Peoples R China
Low-dose positron emission tomography (PET) reconstruction algorithms manage to reduce the injected dose and/or scanning time in PET examination while maintaining the image quality, and thus has been extensively studi... 详细信息
来源: 评论
Tabu-DART: a dynamic update strategy for efficient discrete algebraic reconstruction
收藏 引用
VISUAL COMPUTER 2023年 第10期39卷 4671-4683页
作者: Frenkel, Daniel Six, Nathanael De Beenhouwer, Jan Sijbers, Jan Univ Antwerp Dept Phys Univ Pl 1 B-2610 Antwerp Belgium
In X-ray computed tomography, discrete tomography (DT) algorithms have been successful at reconstructing objects composed of only a few distinct materials. Many DT-based methods rely on a divide-and-conquer procedure ... 详细信息
来源: 评论
Super- resolution reconstruction algorithm for optical- resolution photoacoustic microscopy images based on sparsity and deconvolution
收藏 引用
OPTICS EXPRESS 2023年 第1期31卷 598-609页
作者: Zhang, Xi Li, Zhongliang Nan, Nan Wang, Xiangzhao Chinese Acad Sci Shanghai Inst Opt & Fine Mech Lab Informat Opt & Optoelect Technol Shanghai 201800 Peoples R China Univ Chinese Acad Sci Ctr Mat Sci & Optoelect Engn Beijing 100049 Peoples R China
The lateral resolution of the optical-resolution photoacoustic microscopy (OR-PAM) system depends on the focusing diameter of the probe beam. By increasing the numerical aperture (NA) of optical focusing, the lateral ... 详细信息
来源: 评论
3D-deep optical learning: a multimodal and multitask reconstruction framework for optical molecular tomography
收藏 引用
OPTICS EXPRESS 2023年 第15期31卷 23768-23789页
作者: Li, Shuangchen Wang, Beilei Yu, Jingjing Kang, Dizhen He, Xuelei Guo, Hongbo He, Xiaowei Northwest Univ Sch Informat Sci & Technol Xian 710127 Peoples R China Xian Key Lab Radi & Intelligent Percept Xian Peoples R China Shaanxi Normal Univ Sch Phys & Informat Technol Xian 710119 Peoples R China
Optical molecular tomography (OMT) is an emerging imaging technique. To date, the poor universality of reconstruction algorithms based on deep learning for various imaged objects and optical probes limits the developm... 详细信息
来源: 评论
Fast algorithms of Image Fusion for Super-Resolution reconstruction from Multiple Images with Random Shifts
收藏 引用
Chinese Journal of Electronics 2023年 第1期21卷 69-72页
作者: Beijia Ning Jie Li Xinbo Gao VIPS Laboratory School of Electronic Engineering Xidian University Xi'an China
The commonly-used image Super-resolution (SR) reconstruction methods are computationally expensive and only applicable to “offline processing” cases. To reduce the work-load of SR fusion, three algorithms, i.e., Nei... 详细信息
来源: 评论
URGLQ: An Efficient Covariance Matrix reconstruction Method for Robust Adaptive Beamforming
收藏 引用
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS 2023年 第5期59卷 5634-5645页
作者: Luo, Tao Chen, Peng Cao, Zhenxin Zheng, Le Wang, Zongxin Southeast Univ State Key Lab Millimeter Waves Nanjing 210096 Peoples R China Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Peoples R China Beijing Inst Technol Sch Informat & Elect Beijing 100081 Peoples R China Beijing Inst Technol Chongqing Innovat Ctr Chongqing 401120 Peoples R China
The computational complexity of the conventional adaptive beamformer is relatively large, and the performance degrades significantly due to the model mismatch errors and the unwanted signals in received data. In this ... 详细信息
来源: 评论
Parallel Fourier ptychographic microscopy reconstruction method based on FPGA
收藏 引用
OPTICS EXPRESS 2023年 第3期31卷 5016-5026页
作者: Zhao, Hongyang Hui, Wangwei Ye, Qing Huang, Kaicheng Shi, Quishuai Tian, Jianguo Zhou, Wenyuan Nankai Univ Sch Phys Key Lab Weak Light Nonlinear Photon Minist Educ Tianjin 300071 Peoples R China
Fourier ptychographic microscopy (FPM) can bypass the limitation of spatial bandwidth product to get images with large field-of-view and high resolution. The complicated sequential iterative calculation in the FPM rec... 详细信息
来源: 评论
Inverse design of photonic crystal filters with arbitrary correlation and size for accurate spectrum reconstruction
收藏 引用
APPLIED OPTICS 2023年 第8期62卷 1907-1914页
作者: Wang, Wenqi Dong, Qiao Zhang, Zhixiao Cao, Hao Xiang, Jin Gao, Li Nanjing Univ Posts & Telecommun Sch Mat Sci & Engn State Key Lab Organ Elect & Informat Displays Nanjing 210023 Peoples R China Chongqing Univ Sch Optoelect Engn Key Lab Optoelect Technol & Syst Minist Educ Chongqing 400044 Peoples R China Univ Wisconsin Sch Elect & Comp Engn Madison WI 53706 USA
Spectroscopic technique based on nanophotonic filters can recover spectral information through compressive sensing theory. The spectral information is encoded by nanophotonic response functions and decoded by computat... 详细信息
来源: 评论
Off-axis point spread function reconstruction for single conjugate adaptive optics
收藏 引用
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 2023年 第7期40卷 1382-1391页
作者: Wagner, Roland Niebsch, Jenny Ramlau, Ronny Johannes Kepler Univ Linz Ind Math Inst Altenberger Str 69 A-4040 Linz Austria Austrian Acad Sci Johann Radon Inst Computat & Appl Math Altenberger Str 69 A-4040 Linz Austria
Modern giant segmented mirror telescopes (GSMTs) such as the Extremely Large Telescope, which is currently under construction, depend heavily on adaptive optics (AO) systems to correct for atmospheric distortions. How... 详细信息
来源: 评论