5 September 2002 Novel method of measurement for large-space 3D coordinate by binocular code matching
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Proceedings Volume 4921, Optical Manufacturing Technologies; (2002); doi: 10.1117/12.481745
Event: Photonics Asia, 2002, Shanghai, China
Abstract
A 3-D coordinate measurement with novel concept and experimental arrangements of large space and multiple viewpoints is proposed. The measurement system includes a stereovision sensor and a separate LCD stripe projection. This measurement method ensures a high number of object points, up to 5x5x5m measurement volume, and rapid data acquisition. If only one and next partial view have an overlap area, system could automatically transform each partial views measuring data into a same world coordinate system. It can measure a wider area or 360 degree (whole-body) shape by alter the stripe projection's position. Furthermore, it is unnecessary to stick any marker on the object surface and a subsequent matching of the partial view is not required to obtain a whole-body measurement.
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Gang Chen, Zhijing Yu, Rensheng Che, Chang-ying Liu, Dong Ye, Qingcheng Huang, "Novel method of measurement for large-space 3D coordinate by binocular code matching", Proc. SPIE 4921, Optical Manufacturing Technologies, (5 September 2002); doi: 10.1117/12.481745; https://doi.org/10.1117/12.481745
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KEYWORDS
Sensors

Cameras

Imaging systems

3D metrology

Stereo vision systems

3D vision

LCDs

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