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Optical measurement network for large-scale and shell-like objects
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DOI：10.1364/OL.36.000157.png)
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摘要
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An optical measurement method for large-scale and shell-like objects is proposed and is verified by experiments. The underlying concept is a model-based optical measurement network consisting of multinode three-dimensional (3D) sensors. To achieve this, a synthetic calibration method is presented to enable the measurement. A phase-aided active stereoscopy is thus applied to each node sensor for acquiring partial range images from different viewpoints. The multiple range images are then registered to obtain a 3D reconstructed model, which is compared with the computer-aided design (CAD) model to quantitatively reveal the differences between the two models. Experiment results are also presented to validate the proposed approach. (C) 2011 Optical Society of America
Keyword:
SHAPE MEASUREMENT
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3.3
论文数:
4.0W
被引数:
7.6W
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