期刊
OPTICS LETTERS
卷 45, 期 1, 页码 204-207出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.45.000204
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资金
- Scientific Instrument Developing Project of the Chinese Academy of Sciences [YJKYYQ20180067]
In a structured-light system, lens distortion of the camera and projector is the main source of 3D measurement error. In this Letter, a new approach, to the best of our knowledge, of using deep neural networks to address this problem is proposed. The neural network consists of one input layer, five densely connected hidden layers, and one output layer. A ceramic plate with flatness less than 0.005 mm is used to acquire the training, validation, and test data sets for the network. It is shown that the measurement accuracy can be enhanced to 0.0165 mm in the RMS value by this technique, which is an improvement of 93.52%. It is also verified that the constructed neural network is with satisfactory repeatability. (C) 2019 Optical Society of America
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