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检索条件"主题词=phase-shifting algorithm"
70 条 记 录,以下是21-30 订阅
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Harmonic frequency estimation method in multi-surface interferometry  7
Harmonic frequency estimation method in multi-surface interf...
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7th Asia Pacific Conference on Optics Manufacture (APCOM)
作者: Chang, Lin He, Tingting Yu, Yingjie Shanghai Univ Sch Mechatron Engn & Automat Shanghai Peoples R China
The surface morphologies and thickness variation are the basic characteristics of a transparent parallel plate with multiple surfaces. Measurements of these profiles are greatly significant for the evaluation of surfa... 详细信息
来源: 评论
phase reconstruction by phase shift estimation with reliable parameter minimization
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METROLOGIA 2024年 第5期61卷
作者: Zhang, Yu Liu, Bao Northeast Elect Power Univ Inst Mat Phys Coll Sci Jilin 132012 Peoples R China Chinese Acad Sci Changchun Inst Opt Fine Mech & Phys Changchun 130022 Peoples R China
Achieving a balance between accuracy and speed in phase reconstruction is a challenging problem. In phase-shifting interferometry, increasing the speed by reducing the number of phase shifts while maintaining high acc... 详细信息
来源: 评论
Use of an interferential objective and synthetic wavelength in evaluation of biological samples
Use of an interferential objective and synthetic wavelength ...
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Optical Technology and Measurement for Industrial Applications Conference
作者: Martinez-Garcia, Amalia Hernandez-Gutierrez, Ivan Antonio Rayas-Alvarez, Juan Karen Reyes, Ana Ctr Invest Opt AC Loma Bosque 115 Guanajuato 37150 Mexico
Red blood cell (RBC) anomalies are significant symptoms for identification of health disorders and several blood diseases, which involve the modification of the parameters and biophysical characteristics of such cells... 详细信息
来源: 评论
Development of surface reconstruction algorithms for optical interferometric measurement
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Frontiers of Mechanical Engineering 2021年 第1期16卷 1-31页
作者: Dongxu WU Fengzhou FANG Centre of Micro/Nano Manufacturing Technology(MNMT-Dublin) University College DublinDublin 4Ireland School of Control Engineering Northeastern University at QinhuangdaoQinhuangdao 066004China State Key Laboratory of Precision Measuring Technology and Instruments Centre of Micro/Nano Manufacturing Technology(MNMT)Tianjin UniversityTianjin 300072China
Optical interferometry is a powerful tool for measuring and characterizing areal surface topography in precision manufacturing.A variety of instruments based on optical interferometry have been developed to meet the m... 详细信息
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End-to-End algorithm for Absolute phase Retrieval  12
End-to-End Algorithm for Absolute Phase Retrieval
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12th International Conference on Information Optics and Photonics (CIOP)
作者: Lu, Jin Li, Yuan Xu, Jian Wang, Fu P. Sun, Xiao G. XIAN Univ Posts & Telecommun Sch Commun & Informat Engn 618 Changan West St Xian 710121 Shaanxi Peoples R China XIAN Univ Posts & Telecommun Res Inst Ind Internet 618 Changan West St Xian 710121 Shaanxi Peoples R China Yangzhou Univ Coll Mech Engn 88 Daxue South Rd Yangzhou 225127 Jiangsu Peoples R China
Absolute phase plays a very important role for many applications. At present, various techniques have been exhaustively developed for absolute phase recovery. There are three major categories: spatial phase unwrapping... 详细信息
来源: 评论
(3 N+1)-frame phase retrieval for double-grating Ronchi lateral shearing interferometry
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OPTICS AND LASERS IN ENGINEERING 2022年 158卷
作者: Lu, Yunjun Tang, Feng Su, Rong Li, Zhongliang Guo, Fudong Feng, Peng Wang, Xiangzhao Chinese Acad Sci Shanghai Inst Opt & Fine Mech Shanghai 201800 Peoples R China Univ Chinese Acad Sci Ctr Mat Sci & Optoelect Engn Beijing 100049 Peoples R China
Accurate wavefront measurement using double-grating Ronchi lateral shearing interferometry significantly relies on the accuracy of shear-phase retrieval. Traditional methods cannot effectively suppress the interferenc... 详细信息
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Absolute phase measurement method with few-patterns
Absolute phase measurement method with few-patterns
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Conference on AOPC - Optical Sensing and Imaging Technology
作者: Qi, Xingyang Zhou, Canlin Ding, Yanping Si, Shuchun Li, Hui Shandong Univ Sch Phys Jinan 250100 Peoples R China
To unwrap the wrapping phase from phase measuring profilometry in 3D surface measurement, many spatial and temporal phase retrieval methods have been presented. However, spatial phase retrieval method often leads to e... 详细信息
来源: 评论
Novel absolute phase measurement method with few-patterns
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OPTICS AND LASERS IN ENGINEERING 2022年 154卷 107031-107031页
作者: Pai, Wenyan Liang, Jin Zhang, MingKai Tang, Zhengzong Li, Leigang Xi An Jiao Tong Univ State Key Lab Mfg Syst Engn Xian Peoples R China XTOP 3D Technol Shenzhen Co Ltd Innovat Lab Shenzhen Peoples R China
The temporal phase unwrapping method can obtain the absolute phase of an object with large discontinuities and isolated objects in phase measuring profilometry. But it needs many frames fringe patterns, which may cons... 详细信息
来源: 评论
Fringe projection decamouflaging
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OPTICS AND LASERS IN ENGINEERING 2020年 134卷 106201-106201页
作者: Deng, Ji Li, Jian Ding, Shumeng Feng, Hao Xiao, Yu Han, Wenzhong Zeng, Zhoumo Tianjin Univ Sch Precis Instrument & Opto Elect Engn State Key Lab Precis Measurement Technol & Instru 92 Weijin Rd Tianjin 300072 Peoples R China North China Inst Aerosp Engn Sch Mech & Elect Engn 133 Aimin East Rd Langfang 065000 Peoples R China
Unveiling the cheating mask of camouflage is of great significance in scientific and military research, but the acquisition of detailed information about camouflaged objects remains extremely difficult. This paper pre... 详细信息
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Precision Interferometric Thickness Profiling of a Transparent Plate Using a phase-Extraction algorithm Suppressing Refractive-Index Dispersion
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TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS A 2022年 第5期46卷 435-443页
作者: Jeon, Jurim Kim, Sungtae Kim, Yangjin Pusan Natl Univ Sch Mech Engn Busan South Korea
Wavelength tuning interferometry has been widely used to measure the optical thickness variation of a transparent plate. In the wavelength tuning technique, interference signals can be distinguished by detecting the m... 详细信息
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