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19 September 2017 The error analysis of the handheld target in Target-based Vision Measurement System (T-VMS)
Yueyang Ma, Hong Zhao, Feifei Gu, Meiqi Fang, Hehui Geng, Kejia Li
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Proceedings Volume 10396, Applications of Digital Image Processing XL; 103963A (2017) https://doi.org/10.1117/12.2279019
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States
Abstract
The handheld target greatly expands the fields of the vision measurement systems. However, it introduces extraction errors and position errors, which degrades the positioning precision of the vision measurement systems. In order to evaluate the influence of the handheld targets on the accuracy of T-VMS, we first analyzed the positioning principle of the visual measurement system and established the precision model under two typical structures of the T-VMS. We then studied the extraction errors and position errors introduced by the handheld targets and quantified the errors. Finally, we discussed the influence of the said errors on the positioning in 3D space with system precision model. We applied the precision model in an actual T-VMS to confirm its feasibility and effectiveness, and found that it indeed estimate the errors introduced by the handheld targets effectively.
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Yueyang Ma, Hong Zhao, Feifei Gu, Meiqi Fang, Hehui Geng, and Kejia Li "The error analysis of the handheld target in Target-based Vision Measurement System (T-VMS)", Proc. SPIE 10396, Applications of Digital Image Processing XL, 103963A (19 September 2017); https://doi.org/10.1117/12.2279019
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KEYWORDS
Error analysis
Machine vision
Stereo vision systems
Vision geometry
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