2022
DOI: 10.1364/oe.451817
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Multi-channel optical sensing system with a BP-ANN for heavy metal detection

Abstract: A multi-channel optical sensing system for heavy metal concentration detection is presented in this paper. The system utilizes a multi-channel optical path combined with a unique circuit design and BP neural network (BP-ANN) to perform the online analysis of multi-wavelength signals, achieving accurate concentration detection of a heavy metal solution. An array photodiode is used to detect the transmission light intensities at multiple wavelengths through the optical path of the system, which enables the colle… Show more

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Cited by 4 publications
(2 citation statements)
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“…Artificial intelligence and machine learning, standing as landmark invention of twenty-first century, has gained reputation in both clinical application [ 21 ] and scientific research of modern dentistry [ 22 ]. Among diversified strategy of machine learning, ANN-BP [ 23 ] could be an optimal choice for statistical tasks characterized by perplex interactions among variables and involving mass data where traditional mathematics analysis could fail. It could make the utmost of data without pre-filtering by human, which avoid subjective bias as mankind clinical practitioner could usually have.…”
Section: Discussionmentioning
confidence: 99%
“…Artificial intelligence and machine learning, standing as landmark invention of twenty-first century, has gained reputation in both clinical application [ 21 ] and scientific research of modern dentistry [ 22 ]. Among diversified strategy of machine learning, ANN-BP [ 23 ] could be an optimal choice for statistical tasks characterized by perplex interactions among variables and involving mass data where traditional mathematics analysis could fail. It could make the utmost of data without pre-filtering by human, which avoid subjective bias as mankind clinical practitioner could usually have.…”
Section: Discussionmentioning
confidence: 99%
“…BP-ANN is a well-known ML modeling algorithm tool, a neural network with strong nonlinear mapping capability based on error back propagation. 32 Its structure comprises three parts: input, implicit and output layers. The BP-ANN learning rule used the gradient descent method to determine the mapping between the peak current and concentration of CBZ by continuously adjusting the weights and thresholds of the network through the error back propagation class.…”
Section: Modeling and Performance Evaluationmentioning
confidence: 99%