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检索条件"主题词=phase-shifting algorithm"
70 条 记 录,以下是11-20 订阅
排序:
Coupled Dual-Frequency phase-shifting Coder for Precise Rotated Angle Representation in Oriented Object Detection
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IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 2024年 21卷 1页
作者: Liu, Fei Chen, Renwen Zhang, Junyi Ding, Shanshan Liu, Hao Ma, Shaofei Xing, Kailing Nanjing Univ Aeronaut & Astronaut Coll Aerosp Engn State Key Lab Mech & Control Aerosp Struct Nanjing 210016 Peoples R China ZTE Corp Wired Prod Res & Dev Inst Syst Prod Wired Prod Operat Div Hardware Dev Dept 4 Nanjing 210037 Peoples R China
The classically oriented object detection method often suffers boundary discontinuity and square-like problems, hindering the model's ability to predict orientation accurately. Therefore, in this letter, we introd... 详细信息
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Design of the phase-shifting algorithm for flatness measurement of a mask blank glass
Design of the phase-shifting algorithm for flatness measurem...
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Conference on Metrology, Inspection, and Process Control for Microlithography XXVIII
作者: Kim, Yangjin Hibino, Kenichi Sugita, Naohiko Mitsuishi, Mamoru Univ Tokyo Bunkyo Ku Tokyo 1138656 Japan AIST Tsukuba Ibaraki 3058564 Japan
Nonlinearity and non-uniformity of phase-shifts significantly contribute to the error of the evaluated phase in phase-shifting interferometry. However, state of the art error-compensating algorithms can counteract the... 详细信息
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Harmonics suppression in frequency domain for fringe projection profilometry with arbitrary phase shifts
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OPTICS COMMUNICATIONS 2025年 576卷
作者: Lin, Shuai Zhu, Jianli Guo, Hongwei Shanghai Univ Dept Precis Mech Engn Lab Appl Opt & Metrol Shanghai 200444 Peoples R China China Elect Technol Grp Corp Res Inst 30 Chengdu 610041 Peoples R China
In phase-shifting fringe projection profilometry, nonlinearities of the used devices affect measurement accuracy by induing harmonics in fringe signals. The resulting errors are manifested as ripple artifacts in the m... 详细信息
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Generalized Technique for Separating Nonsinusoidal Errors in Fringe Projection Profilometry With Arbitrary phase Shifts
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IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 2024年 73卷 1页
作者: Zhu, Jianli Zhu, Huijie Guo, Hongwei Shanghai Univ Dept Precis Mech Engn Lab Appl Opt & Metrol Shanghai 200444 Peoples R China
In phase-shifting fringe projection profilometry, the nonsinusoidal profile of fringes is one of the most crucial error-inducing factors. Especially, when using nonuniform phase shifts, the complex response of the pha... 详细信息
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Noncontact surface profiling using optical interferometric microscopy
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OPTICAL ENGINEERING 2024年 第2期63卷 023104-023104页
作者: Palacios, Diego Zhai, Bowen Wang, Michael R. Univ Miami Dept Elect & Comp Engn Coral Gables FL 33124 USA
. We report the use of noncontact optical interferometric microscopy for surface topographic profiling. A Linnik optical configuration is used to create interferograms of an object's surface. When the coherence co... 详细信息
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Two-frame wavefront reconstruction method with nonlinear optimization for Ronchi lateral
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OPTICS COMMUNICATIONS 2024年 559卷
作者: Shi, Runzhou Liu, Huiwen Shao, Yuqi Zhang, Tian Bai, Jian Zhejiang Univ State Key Lab Extreme Photon & Instrumentat Hangzhou 310027 Peoples R China Zhejiang Univ Coll Opt Sci & Engn Hangzhou 310027 Peoples R China Zhejiang Univ ZJU Hangzhou Global Sci & Technol Innovat Ctr Hangzhou 311215 Peoples R China
Ronchi lateral shearing interferometry is widely applied in wavefront measurement of advanced lithography tools. In Ronchi lateral shearing interferometry, higher-order diffraction beam interference is a common challe... 详细信息
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Interferometric thickness measurement of glass plate by phase-shifting analysis using wavelength scanning with elimination of bias phase error
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OPTICAL REVIEW 2021年 第1期28卷 48-57页
作者: Kim, Sungtae Kim, Yangjin Shin, Sung-Chul Hibino, Kenichi Sugita, Naohiko Pusan Natl Univ Sch Mech Engn 2Busandaehak Ro 63beon Gil Busan 46241 South Korea Pusan Natl Univ Dept Naval Architecture & Ocean Engn 2Busandaehak Ro 63beon Gil Busan 46241 South Korea Natl Inst Adv Ind Sci & Technol 1-1-1 Umezono Tsukuba Ibaraki 3058563 Japan Univ Tokyo Dept Mech Engn Bunkyo Ku 7-3-1 Hongo Tokyo 1138656 Japan
phase-shifting fringe analysis using wavelength scanning has been broadly applied to the interferometric profiling of the thickness variation of glass plates. However, the nonlinear phase shifting can cause bias error... 详细信息
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phase-shifting ESPI Micro-deformation Testing algorithm and Experimental Research  7
Phase-shifting ESPI Micro-deformation Testing Algorithm and ...
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7th International Conference on Optical and Photonic Engineering (icOPEN)
作者: Su, Hanyue Yu, Yingjie Chen, Dingfu Shanghai Univ Dept Precis Mech Engn Shanghai 200072 Peoples R China Lab Appl Opt & Metrol Shanghai 200072 Peoples R China
Electronic Speckle Interferometry (ESPI) is a common method for deformation measurements by introducing a phase shift technique. The traditional method needs to subtract the distribution of the phase before and after ... 详细信息
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Motion-induced error reduction for phase-shifting profilometry with phase probability equalization
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OPTICS AND LASERS IN ENGINEERING 2022年 156卷
作者: Wang, Yuwei Cai, Jiaxu Liu, Yuankun Chen, Xiangcheng Wang, Yajun Anhui Agr Univ Coll Engn Hefei 230036 Peoples R China Anhui Prov Engn Lab Intelligent Agr Machinery & Eq Hefei 230036 Peoples R China Sichuan Univ Coll Elect & Informat Engn Chengdu 610065 Peoples R China Anhui Univ Sch Artificial Intelligence Hefei 230039 Peoples R China
phase-shifting algorithms have been widely used for three-dimensional (3D) shape measurement. However, when measuring moving objects, the object motion may distort the linear phase and lead to the phase error. This pa... 详细信息
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Quantum imaging beyond the standard-quantum limit and phase distillation
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NEW JOURNAL OF PHYSICS 2024年 第2期26卷 023018页
作者: Schaffrath, Simon Derr, Daniel Graefe, Markus Giese, Enno Tech Univ Darmstadt Inst Angew Phys Fachbereich Phys Schlossgartenstr 7 D-64289 Darmstadt Germany Fraunhofer Inst Appl Opt & Precis Engn IOF Albert Einstein Str 7 D-07745 Jena Germany Leibniz Univ Hannover Inst Quantenoptik Welfengarten 1 D-30167 Hannover Germany
Quantum sensing using non-linear interferometers (NLIs) offers the possibility of bicolour imaging, using light that never interacted with the object of interest, and provides a way to achieve phase supersensitivity, ... 详细信息
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