赵跃进
发明人: 刘明,吕成伟,彭勇,孔令琴,董立泉,褚旭红,赵跃进
申请人: 北京理工大学
申请号: 202410634332.9
申请日期: 2024.05.21
摘要: 本发明公开了一种显微镜下基于光度立体法的三维重建设备及方法,用于重建微观物体的三维结构,尤其适用于检测芯片表面是否有划痕和制造缺陷,属于三维重建技术领域,具体涉及光度立体应用方法的技术领域。本发明是为了解决目前缺少操作便利的芯片三维检测设备的问题,本发明通过改造金相显微镜,从而利用光度立体法来对芯片 ...
发明人: 董立泉,赵晶,刘明,孔令琴,褚旭红,赵跃进
申请人: 北京理工大学,北京理工大学长三角研究院(嘉兴)
申请号: 202410622636.3
申请日期: 2024.05.20
摘要: 本发明公开了基于深度学习的单目免标定三维轨迹重建方法、装置、设备及介质,属于图像处理技术领域,主要涉及通过单目相机重建目标三维轨迹的问题。该方法通过对视频样本采用目标检测模型进行逐帧处理,得到并分别记录目标检测框的中心点以及底边中心像素点的矩阵索引,然后通过单目深度估计模型得到逐像素点的深度信息并通 ...
作者: Chunyan Chu1,2;,Zhentao Liu3,4;,Mingliang Chen3,4;,Xuehui Shao5;,Guohai Situ3,4;,Yuejin Zhao1,2;,Shensheng Han3,6; (1Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology;2School of Optics and Photonics, Beijing Institute of Technology;3Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences;4University of Chinese Academy of Sciences;5National Laboratory of Aerospace Intelligent Control Technology;6Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences)
出处: Opto-Electronic Advances 2024 第6卷 第1期 P32-41
摘要: High resolution imaging is achieved using increasingly larger apertures and successively shorter wavelengths. Optical aperture synthesis is an importa ...
作者: 张璐1,2;,赵伟瑞1,2;,赵跃进1,2;,刘娟1,2; (1北京理工大学光电学院;2精密光电测试仪器及技术北京市重点实验室)
出处: 光学学报 2024 第44卷 第4期 P125-135
关键词: 傅里叶光学;相位传递函数;分块镜;倾斜误差;离散孔光阑;傅里叶变换
摘要: 消除拼接主镜式望远镜的分块子镜间的共相位倾斜(tip-tilt)误差是有效提升集光能力、实现共相位成像的关键之一。提出了一种基于相位传递函数(PTF)的分块子镜的tip-tilt高精度检测方法。在分块镜的共轭面处设置具有离散孔结构的光阑,将其作为tip-tilt检测系统的入瞳,借助傅里叶分析,推导建 ...
作者: 张会燕1,2;,刘明1,2;,宁布1,2,3;,惠梅1,2;,董立泉1,2,3;,孔令琴1,2;,赵跃进1,2; (1北京理工大学光电学院;2精密光电测试仪器与技术北京市重点实验室;3北京理工大学长三角研究院(嘉兴))
出处: 光学学报 2024 第44卷 第4期 P144-153
关键词: 成像系统;光学稀疏孔径;一维多孔径阵列;旋转合成;中频调制传递函数;频域覆盖
摘要: 分析了一维多孔径阵列的成像特性,选取子孔径间距比为1∶2的一维非冗余三孔径结构为基阵列,以最大化频域覆盖为设计标准,设计了沿基线方向对基阵列在360°范围内以不同角度进行多次旋转的新型合成孔径结构,以提高中频调制传递函数(IFMTF)和系统成像质量。当填充因子为28.51%时,旋转合成得到的九孔径阵 ...
作者: Hang Zhao,Yong Tan,Chen Wang,Ming Liu,Yongzheng Wen,Yuejin Zhao,Ji Zhou (Beijing Institute of Technology,School of Optics and Photonics,Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology,Beijing,China; Yangtze Delta Region Academy of Beijing Institute of Technology,Jiaxing,China; Tsinghua University,School of Materials Science and Engineering,State Key Laboratory of New Ceramics and Fine Processing,Beijing,China; Research Center for Metamaterials,Wuzhen Laboratory,Jiaxing,China; Yangtze Delta Region Institute of Tsinghua University,Advanced Ceramic Materials and Devices Research Center,Jiaxing,China; Beijing Broad Hengtong Technology Development Co. Ltd.,Beijing,China)
出处: Advanced Photonics Nexus 2024 第3卷 第4期
关键词: terahertz;organic crystal;second-harmonic generation
摘要: Achieving efficient and intense second-harmonic generation (SHG) in the terahertz (THz) spectrum holds great potential for a wide range of technical a ...
作者:
Bu Ning1,2,3;Ming Liu1,2,3;
出处: Optics Communications 2024 Vol.570 P130926
摘要: Optical synthetic aperture (OSA) structure of multiple in-phase circular sub-mirrors greatly improves the spatial resolution of space telescopes, but ...
作者: Kong,Lingqin123;Li,Luyao12;Yuan,Jing12;Zhao,Yuejin123;Dong,Liquan123;Liu,Ming123;Zhao,YueBin5;Lu,Tielin4;Chu,Xuhong123; (1School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China;2Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, 100081, China;3Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314019, China;4Instrumentation Technology and Economy Institute, Beijing, 100055, China;5Taiyuan City Central Hospital, Taiyuan, 030009, China)
出处: Biomedical Signal Processing and Control 2024 Vol.91
摘要: Hemoglobin concentration is an important indicator for evaluating human health. The concentration value is an important evidence for early diagnosis o ...
作者: Yi, Weichao1;Dong, Liquan1,2;Liu, Ming1,2;Hui, Mei1;Kong, Lingqin1,2;Zhao, Yuejin1,2 (1Beijing Inst Technol, Sch Opt & Photon, Beijing Key Lab Precis Optoelect Measurement Inst, Beijing 100081, Peoples R China.;2Yangtze Delta Reg Acad, Beijing Inst Technol, Jiaxing 314019, Peoples R China.)
出处: MULTIMEDIA TOOLS AND APPLICATIONS 2024
摘要: Image dehazing is a fundamental low-level vision task and has gained increasing attention in the computer community. Most existing learning-based meth ...
作者: Zhao, Hang1,2;Tan, Yong3,4;Zhao, Yuejin1,2;Liu, Ming1,2;Zhang, Liangliang5 (1Beijing Inst Technol, Sch Opt & Photon, Beijing Key Lab Precis Optoelect Measurement Instr, Beijing 100081, Peoples R China.;2Beijing Inst Technol, Yangtze Delta Reg Acad, Jiaxing 314019, Peoples R China.;3Tsinghua Univ, Adv Ceram Mat & Devices Res Ctr, Yangtze Delta Reg Inst, Jiaxing 314000, Peoples R China.;4Wuzhen Lab, Res Ctr Metamaterials, Jiaxing 314500, Peoples R China.;5Capital Normal Univ, Dept Phys, Key Lab Terahertz Optoelect MoE, Beijing 100048, Peoples R China.)
出处: IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY 2024 Vol.14 No.1 P76-81
关键词: OPTICAL NONLINEARITIES; Z-SCAN; CONSTANTS; PULSES; H2O; D2O
摘要: Recently, the classical Z-scan technique is considered feasible for the nonlinear measurement of liquid water in the low-frequency terahertz (THz) ban ...