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The design of visible system for improving the measurement accuracy of imaging points
Shan, Qiu-sha1; Li, Gang1; Zeng, Luan2; Liu, Kai1; Yan, Pei-pei1; Duan, Jing1; Jiang, Kai1; Shan, QS (reprint author), Chinese Acad Sci, Xian Inst Opt & Precis Mech, Photoelect Measurement & Control Technol Res Dept, Xian 710119, Shaanxi, Peoples R China.
2018
Conference Name4th Seminar on Novel Optoelectronic Detection Technology and Application
Source PublicationFOURTH SEMINAR ON NOVEL OPTOELECTRONIC DETECTION TECHNOLOGY AND APPLICATION
Volume10697
Conference Date2017-10-24
Conference PlaceNanjing, PEOPLES R CHINA
Publication PlaceBELLINGHAM
PublisherSPIE-INT SOC OPTICAL ENGINEERING
Contribution Rank1
Abstract

It has a widely applications in robot vision and 3D measurement for binocular stereoscopic measurement technology. And the measure precision is an very important factor, especially in 3D coordination measurement, high measurement accuracy is more stringent to the distortion of the optical system. In order to improving the measurement accuracy of imaging points, to reducing the distortion of the imaging points, the optical system must be satisfied the requirement of extra low distortion value less than 0.1 %, a transmission visible optical lens was design, which has characteristic of telecentric beam path in image space, adopted the imaging model of binocular stereo vision, and imaged the drone at the finity distance. The optical system was adopted complex double Gauss structure, and put the pupil stop on the focal plane of the latter groups, maked the system exit pupil on the infinity distance, and realized telecentric beam path in image space. The system mainly optical parameter as follows: the system spectrum rangement is visible light wave band, the optical effective length is f'=30mm, the relative aperture is 1/3, and the fields of view is 21 degrees. The final design results show that the RMS value of the spread spots of the optical lens in the maximum fields of view is 2.3 mu m, which is less than one pixel(3.45 mu m); the distortion value is less than 0.1%, the system has the advantage of extra low distortion value and avoids the latter image distortion correction; the proposed modulation transfer function of the optical lens is 0.58(@145 lp/mm), the imaging quality of the system is closed to the diffraction limited; the system has simply structure, and can satisfies the requirements of the optical indexes. Ultimately, based on the imaging model of binocular stereo vision was achieved to measuring the drone at the finity distance.

KeywordExtra Low Distortion Value Telecentric Beam Path In Image Space Binocular Stereo Vision Double Gauss Structure The Diffraction Limited
Subject AreaEngineering, Electrical & Electronic
Department光电测量技术实验室
DOI10.1117/12.2314915
Indexed ByEI
ISBN978-1-5106-1948-7
Language英语
ISSN0277-786X
EI Accession Number20182805539965
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30390
Collection光电测量技术实验室
Corresponding AuthorShan, QS (reprint author), Chinese Acad Sci, Xian Inst Opt & Precis Mech, Photoelect Measurement & Control Technol Res Dept, Xian 710119, Shaanxi, Peoples R China.
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Photoelect Measurement & Control Technol Res Dept, Xian 710119, Shaanxi, Peoples R China
2.PLA, Equipment Acad, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Shan, Qiu-sha,Li, Gang,Zeng, Luan,et al. The design of visible system for improving the measurement accuracy of imaging points[C]. BELLINGHAM:SPIE-INT SOC OPTICAL ENGINEERING,2018.
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