Relevant bibliographies by topics / Telecentrický optický systém

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Telecentrický optický systém'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Telecentrický optický systém"

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Kulchitskiy, Aleksandr. "Optical Inspection Systems for Axisymmetric Parts with Spatial 2D Resolution." Symmetry 13, no. 7 (July 7, 2021): 1218. http://dx.doi.org/10.3390/sym13071218.

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The article proposes a solution to the problem of increasing the accuracy of determining the main shaping dimensions of axisymmetric parts through a control system that implements the optical method of spatial resolution. The influence of the projection error of a passive optical system for controlling the geometric parameters of bodies of revolution from the image of its sections, obtained by a digital camera with non-telecentric optics, on the measurement accuracy is shown. Analytical dependencies are derived that describe the features of the transmission of measuring information of a system with non-telecentric optics in order to estimate the projection error. On the basis of the obtained dependences, a method for compensating the projection error of the systems for controlling the geometry of the main shaping surfaces of bodies of revolution has been developed, which makes it possible to increase the accuracy of determining dimensions when using digital cameras with a resolution of 5 megapixels or more, equipped with short-focus lenses. The possibility of implementing the proposed technique is confirmed by the results of experimental studies.
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Wu, Qiong, Yang Xiang, Bin Yang, Qian Song, Li Jie Hou, and Qian Qian Wu. "Optical Design of Endoscopic Telecentric Measuring Apparatus." Key Engineering Materials 552 (May 2013): 325–28. http://dx.doi.org/10.4028/www.scientific.net/kem.552.325.

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Endoscopic telecentric apparatus is a precision measuring instrument which consists of optical, mechanical and electrical technologies. It can be applied in real-time accurate test to detect the position, shape and wall surface defects of brake master cylinder. This paper designed an optical system with Zemax, it can be used in endoscopic telecentric apparatus. The system has 4mm linear field of view, the line of vision is 90°,the magnification is 0.75×,the depth of field is 6mm.The value of modulation transfer function (MTF) is close to the diffraction limit, the resolution of the system is up to 3 and the spot diagrams of all configurations are smaller than Airy disk, the total track is less than 300mm. It adopts 1/6CCD to receive image, the measurement accuracy reaches to 0.03mm.The system uses pentagonal prism to realize 90°line of vision, it is convenient to assemble and avoids the mirror image. The image quality is good and the design meets the requirement.
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Wu, Zhe Ming, Xiao Pin Yang, Hong Bo Xie, Zhi Hong Chen, Fei Li, Bo Li, and Li Li Cao. "A Low-Distortion Single Fingerprint Acquisition Optical System." Advanced Materials Research 605-607 (December 2012): 2023–26. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.2023.

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In this paper, a method of correction for the trapezoid distortion of the single fingerprint acquisition system is proposed, which combines nearly telecentric optical path and the inclined plane compensation. According to the method presented, an actual fingerprint acquisition system is designed. There is a prism and two lenses in the system. The resolution of fingerprint acquisition can reach 500dpi. Its optical length is in 45mm, the maximum grid distortion is 0.43%. These meet the standard of the FBI fingerprint scanning system.
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Wang, Ya Wei, Shou Wang Jiang, Xian Kai Wang, Xiang Long Tian, Qu Wei Yue, Yuan Yuan Xu, and Xue Fu Shang. "Design of Backward-Detection Optical System in Biological Cell Subclass Identification." Solid State Phenomena 181-182 (November 2011): 220–24. http://dx.doi.org/10.4028/www.scientific.net/ssp.181-182.220.

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In order to improve the classification accuracy of cell subsets, a telecentric system which is based on the characteristics of cell’s scattering is designed. The irradiating and receiving light work collinearly in this system, and the optical receiving efficiency of back scatter light increases to twice the origin by using a special mirror. The optical design parameters and structures are given by using aberration theories and optical design software. The performance and signal collection of the optical system are analysised. When the resolution is 100lp/mm, the MTF is more than 0.17. The stray light is effectively filtered out and the accuracy of scattering signal is improved. The optical system can be used to identify eukocyte.
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Chang, Chun Li, Chun Jen Chen, and Wen Hong Wu. "Automatic Optical Measurement of High Density Fiber Connector." Key Engineering Materials 625 (August 2014): 305–9. http://dx.doi.org/10.4028/www.scientific.net/kem.625.305.

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This paper will develop an automatic and fast optical measurement system for high density optical fiber connector measurement, which base on the optical project method. It will meet the lot of optical fiber connector measurement need. This system includes a high intensity and high collimated LED source, a high accuracy and high stiffness linear stage, 2 multi-degree-of-freedom adjustment mechanisms and a high resolution coaxial telecentric imaging system and image processing software. The system of measurement results and commercial measuring instruments comparing the results of its error is less than 0.6μm. To measure a V groove needs 750ms, this result may satisfy the requirements of automatic inspection.
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Ohno, Hiroshi, and Hiroya Kano. "Depth reconstruction with coaxial multi-wavelength aperture telecentric optical system." Optics Express 26, no. 20 (September 19, 2018): 25880. http://dx.doi.org/10.1364/oe.26.025880.

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Zhou Lu, 周路, 迟耀丹 Chi Yaodan, and 郭亮 Guo Liang. "Optical System Design of Object-Telecentric Dual Finger Fingerprint Scanner." Laser & Optoelectronics Progress 53, no. 10 (2016): 102201. http://dx.doi.org/10.3788/lop53.102201.

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Chen, Zhong, Huiyang Liao, and Xianmin Zhang. "Telecentric stereo micro-vision system: Calibration method and experiments." Optics and Lasers in Engineering 57 (June 2014): 82–92. http://dx.doi.org/10.1016/j.optlaseng.2014.01.021.

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Jinhui, Li, Yu Yalin, and Tian Junwei. "Highprecision external screw measuring method based on doubletelecentric optical system." Journal of Applied Optics 37, no. 2 (2016): 244–49. http://dx.doi.org/10.5768/jao201637.0203004.

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Ye Wenwei, 叶文炜, 周天福 Zhou Tianfu, 黄锦煖 Huang Jinxuan, and 林峰 Lin Feng. "Design of Dual-Vision Double Telecentric Optical System Based on Machine Vision." Laser & Optoelectronics Progress 57, no. 1 (2020): 012202. http://dx.doi.org/10.3788/lop57.012202.

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Dissertations / Theses on the topic "Telecentrický optický systém"

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Kohoutek, Michal. "Metoda fyzikálního modelování přechodových hran v obraze pro určení skutečné pozice obrysu předmětu." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-233452.

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Doctoral thesis is focused on a design of a new original image transition edge physical modeling method for exact object shape position determination. Automatic Optical Inspection systems for the high accuracy optical measurements is main application area for designed method. The new method design is based on precise physical analysis of a defined imaging system. Object side telecentric lens, telecentric backlight source and CCD video camera are main parts of the analyzed imaging system. New image transition edge physical model and method for accurate shape position detection within the model are derived by geometrical and Fourier optics imaging system analysis. Possible influences of the model parameters changes to the accuracy of shape position detection are studied precisely. A new modeling function suitable for implementation in a new optimal approximation method is derived from the physical transition edge model. The modeling function optimal approximation method is implemented in to a Tester2D measuring system and verified by length etalon measurements. The Tester2D measuring system was successfully accredited for dimensions measurement in range with accuracy up to . Documentation of results of the accreditation process with the record of obtained results from measurement system in scope of preformed interlaboratory comparison tests are appended to the doctoral thesis.
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Zhang, Shi-Yuan, and 張世遠. "Optical design of image telecentric system." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/27692671610336539493.

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Book chapters on the topic "Telecentrický optický systém"

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"Telecentric Systems." In Optical Science and Engineering, 283–90. CRC Press, 2006. http://dx.doi.org/10.1201/9780849382796.ch23.

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Nehmetallah, George, Logan Williams, and Thanh Nguyen. "Latest Advances in Single and Multiwavelength Digital Holography and Holographic Microscopy." In Holography for Breakthrough Applications [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94382.

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In this Chapter, we discuss the latest advances in digital holography (DH) and digital holographic microscopy (DHM). Specifically, we study the different setup configurations such as single and multiwavelength approaches in reflection and transmission modes and the reconstruction algorithms used. We also propose two novel telecentric recording configurations for single and multi-wavelength digital holographic microscopy (TMW-DHM) systems. Brief theory and results are shown for each of the experimental setups discussed. The advantages and disadvantages of the different configurations will be studied in details. Typical configuration features are, ease of phase reconstruction, speed, vertical measurement range without phase ambiguity, difficulty in applying optical and numerical post-processing aberration compensation methods. Aberrations can be due to: (a) misalignment, (b) multiwavelength method resulting in Chromatic aberrations, (c) the MO resulting in parabolic phase curvature, (d) the angle of the reference beam resulting in linear phase distortions, and (e) different optical components used in the setup, such as spherical aberration, astigmatism, coma, and distortion. We conclude that telecentric configuration eliminates the need of extensive digital automatic aberration compensation or the need for a second hologram’s phase to be used to obtain the object phase map through subtraction. We also conclude that without a telecentric setup and even with post-processing a residual phase remains to perturb the measurement. Finally, a custom developed user-friendly graphical user interface (GUI) software is employed to automate the reconstruction processes for all configurations.
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Conference papers on the topic "Telecentrický optický systém"

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Kharchenko, Y. "Telecentric optical system." In High Latitude Optics, edited by Sergej Leontyev. SPIE, 1993. http://dx.doi.org/10.1117/12.164812.

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Mizuno, Takahide, Makoto Mita, Takuya Takahara, Yusuke Hamada, Norihide Takeyama, Takuya Takahashi, and Hiroshi Toshiyoshi. "Two Dimensional Scanning LIDAR for Planetary Explorer." In CANEUS 2006: MNT for Aerospace Applications. ASMEDC, 2006. http://dx.doi.org/10.1115/caneus2006-11038.

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The two-dimensional scanning LIDAR system which used MEMS technology is proposed. The specification of LIDAR under development are measurable range of 50m–50km, ±5 degrees of scanning angles, 10Hz repetition rate, and ±1m in range finding accuracy. By adopting monolithic YAG laser as a laser source, the tolerance over machine vibration has been improved with volume and weight saving. For a transmitting laser scan, adoption of a magnetic resonance drive type single micro-mirror is considered. In this system, we propose a novel method on the beam scanning mechanism for a receiver telescope with big aperture by using MEMS technology. The scanning optics system of receiver telescope is composed by a telecentric telescope and a micro shutter array. This optical system has achieved a narrow viewing angle corresponding to aperture of the shutter by limiting the view of the telescope that has a wide viewing angle with the shutter. The basic function of the scanning system of receiver optics is already checked experimentally.
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Chen, Tong, Jindong Tian, Yong Tian, Jianmei Wu, and Dong Li. "A flexible, simple telecentric three dimensional measurement system." In SPIE Optical Metrology, edited by Bernd Bodermann, Karsten Frenner, and Richard M. Silver. SPIE, 2017. http://dx.doi.org/10.1117/12.2270126.

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Pate, Michael A. "Optical design and specification of telecentric optical systems." In International Optical Design Conference, edited by Leo R. Gardner and Kevin P. Thompson. SPIE, 1998. http://dx.doi.org/10.1117/12.322029.

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Schuster, Norbert, and Thomas Schoenheit. "Telecentric large-field lenses using Fresnel optics." In Intelligent Systems and Advanced Manufacturing, edited by Kevin G. Harding and John W. V. Miller. SPIE, 2002. http://dx.doi.org/10.1117/12.455256.

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Xiao, Nan, Hu Wang, Yaoke Xue, Jie Liu, Meiying Liu, Shangmin Lin, Fang Wang, and Yang Liu. "An image telecentric optical system of low-distortion and wide-field." In Advanced Optical Manufacturing Technologies, edited by William T. Plummer, Bin Fan, Xiong Li, Xiangang Luo, Mingbo Pu, and Yongjian Wan. SPIE, 2019. http://dx.doi.org/10.1117/12.2505108.

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Dietzsch, Eberhard. "Telecentric relay lens systems having distortion and their application in endoscopes." In Optical Instrumentation & Systems Design, edited by Joseph J. M. Braat. SPIE, 1996. http://dx.doi.org/10.1117/12.246669.

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Faulhaber, Andreas, Marc Gronle, Tobias Haist, Christof Pruß, Yousef Baroud, Wolfgang Osten, and Sven Simon. "Hybrid telecentric triangulation sensor system with real-time field-dependent deconvolution." In Optical Measurement Systems for Industrial Inspection XI, edited by Peter Lehmann, Wolfgang Osten, and Armando Albertazzi Gonçalves. SPIE, 2019. http://dx.doi.org/10.1117/12.2525568.

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Wu, Tiantian, and Xiaolong Ma. "Design of a double-telecentric optical system based on machine vision." In Conference on Optics Ultra Precision Manufacturing and Testing, edited by Dawei Zhang, Lingbao Kong, and Xichun Luo. SPIE, 2020. http://dx.doi.org/10.1117/12.2579903.

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Park, Sung Chan, and Sang-Soo Lee. "Telecentric, flat-field, anastigmatic, four-mirror optical system for lighographic camera." In 15th Int'l Optics in Complex Sys. Garmisch, FRG, edited by F. Lanzl, H. J. Preuss, and G. Weigelt. SPIE, 1990. http://dx.doi.org/10.1117/12.34892.

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Journal articles
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