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检索条件"主题词=phase shift algorithm"
18 条 记 录,以下是1-10 订阅
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Computer simulation of phase-shift algorithm
Computer simulation of phase-shift algorithm
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Conference on Optical Metrology and Inspection for Industrial Applications
作者: Wang Gang Yan Ji-xiang Beijing Inst Technol Sch Optoelect Beijing 100081 Peoples R China
When applying phase-stepping interferometry to measure wavefront with aberration, distortion is caused by various factors and the main one is phase-shifting error from phase shifter. In this paper, the calculation the... 详细信息
来源: 评论
Theory and application of robust linear phase-shift algorithm for phase-shift deflectometry method
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SCIENTIFIC REPORTS 2024年 第1期14卷 1-21页
作者: Yang, Song Zhu, Xianyong Cao, Zhirui Zhao, Jiali Xiao, Xiong Lv, Changchun Du, Yang Wang, Ruiqing Wu, Peng Wang, Zheyuan Jilin Univ Sch Mech & Aerosp Engn Changchun 130025 Jilin Peoples R China Chinese Acad Sci Changchun Inst Opt Fine Mech & Phys Changchun 130033 Jilin Peoples R China FAW VOLKSWAGEN Changchun 130000 Jilin Peoples R China Second Hosp Jilin Univ Changchun 130041 Jilin Peoples R China Changchun Baoze Technol Co Ltd Changchun 130051 Peoples R China Internet Informat Ctr Tiexi Siping 136000 Peoples R China
Based on the polynomial theory, the error propagation characteristics of the widely used N-step discrete Fourier transform (N-DFT) phase-shift algorithm were analyzed via theoretical analysis, under the effect of Gamm... 详细信息
来源: 评论
Computer simulation of phase-shift algorithm
Computer simulation of phase-shift algorithm
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2010亚洲光电子会议应用于工业的光学计量学和检验分会场
作者: WANG Gang,YAN Ji-xiang(School of Optoelectronics,Beijing Institute of Technology,Beijing 100081,China)
When applying phase-stepping interferometry to measure wavefront with aberration,distortion is caused by various factors and the main one is phase-shifting error from phase *** this paper,the calculation theory and co... 详细信息
来源: 评论
Optical current sensor using phase shift algorithms
Optical current sensor using phase shift algorithms
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Conference on Fiber Optic Sensors and Applications V
作者: Flores, Jorge L. Garcia-Torales, G. Ortiz, Victor H. Univ Guadalajara Dept Elect Engn Guadalajara 44840 Jalisco Mexico
A new fiber-optic current sensor (FOCS) is described which employs phase shifting algorithms to process the optical signal. In this approach the sensing element consists of a coil low birefringence fiber placed betwee... 详细信息
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A four-frame phase shift method insensitive to phase shifter nonlinearity
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JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS 2006年 第3期8卷 300-303页
作者: Zhong, XH Shanghai Inst Opt & Fine Mech Lab Informat Opt Shanghai 201800 Peoples R China
A four-frame phase shift method and an associated algorithm using unequal phase steps are presented. The unique advantage of this method is that it becomes insensitive to phase shifter nonlinearity because of the perf... 详细信息
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Uncertainty analysis for optical time-of-flight sensors based on four-phase-shift range calculation
Uncertainty analysis for optical time-of-flight sensors base...
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9th IEEE Sensors Applications Symposium (SAS)
作者: Edeler, Torsten Hussmann, Stephan Knoll, Florian Univ Appl Sci Hamburg Dept Media Technol Hamburg Germany West Coast Univ Appl Sci Fac Engn Heide Germany
Time-of-flight (Tof) range imaging is a new suitable choice for measurement and modeling in many different applications such as robotics, machine vision, medical imaging, multimedia and so forth. But due to the techno... 详细信息
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A multi-party quantum key distribution protocol based on phase shift operation
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LASER PHYSICS 2019年 第10期29卷 105201-105201页
作者: Li, Lei Li, Zhi Xidian Univ Sch Mechanoelect Engn Xian 710071 Shaanxi Peoples R China
A multiparty quantum key distribution protocol is proposed in this paper. The distributor uses a phase shift operation to encode the key sequence into some EPR sequences. The participants perform a phase shift operati... 详细信息
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One-phase algorithm for Continuous Wave TOF Machine Vision Applications
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IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 2013年 第5期62卷 991-998页
作者: Hussmann, Stephan Hermanski, Alexander West Coast Univ Appl Sci Fac Engn D-25746 Heide Germany West Coast Univ Appl Sci Inst Machine Vis Technol Ma Vi Tec D-25746 Heide Germany
During the last years, time-of-flight (TOF) sensors achieved a significant impact onto research fields in machine vision. In comparison to other common 3-D sensing devices, they combine the advantages of active sensor... 详细信息
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Modulation Method Including Noise Model for Minimizing the Wiggling Error of TOF Cameras
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IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 2014年 第5期63卷 1127-1136页
作者: Hussmann, Stephan Knoll, Florian Edeler, Torsten West Coast Univ Appl Sci Dept Engn D-25746 Heide Germany Univ Appl Sci Hamburg Dept DMI D-20099 Hamburg Germany
Registered depth and intensity data at a high frame rate, a compact design, low weight, and a reduced power consumption have motivated the increasing usage of lock-in time-of-flight (TOF) cameras in research areas suc... 详细信息
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Camera calibration by using fringe patterns and 2D phase-difference pulse detection
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OPTIK 2014年 第2期125卷 671-674页
作者: Ma, MengChao Chen, XiangCheng Wang, KeYi Univ Sci & Technol China Dept Precis Machinery & Precis Instrumentat Hefei 230026 Anhui Peoples R China
Camera calibration is the most essential and usually the first step in computer vision applications. The results highly depend on the accuracy of the feature extraction. Conventional feature extraction methods suffer ... 详细信息
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