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Deep learning models for optically characterizing 3D printers
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OA
AI
DOI：10.1364/OE.410796.png)
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Multi-material 3D printers are able to create material arrangements possessing various optical properties. To reproduce these properties, an optical printer model that accurately predicts optical properties from the printer's control values (tonals) is crucial. We present two deep learning-based models and training strategies for optically characterizing 3D printers that achieve both high accuracy with a moderate number of required training samples. The first one is a Pure Deep Learning (PDL) model that is essentially a black-box without any physical ground and the second one is a Deep-Learning-Linearized Cellular Neugebauer (DLLCN) model that uses deep-learning to multidimensionally linearize the tonal-value-space of a cellular Neugebauer model. We test the models on two six-material polyjetting 3D printers to predict both reflectances and translucency. Results show that both models can achieve accuracies sufficient for most applications with much fewer training prints compared to a regular cellular Neugebauer model. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Keyword:
NEURAL-NETWORKS
COLOR
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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