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Multispectral radiometric thermometry inversion algorithm using multisource information fusion
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DOI：10.1364/OE.543853.png)
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Abstract
En 中文
This paper proposes a multispectral temperature measurement method integrating multiple information sources to address inaccuracies in target temperature measurements in multispectral thermometry when emissivity is unknown. This algorithm leverages convolutional neural networks for image recognition to convert one-dimensional voltage data into twodimensional voltage spectral images. To enhance accuracy, it combines emissivity trend inversion with emissivity constraint algorithms. Additionally, a temperature-constraint function algorithm is incorporated to improve the computational speed. Through simulation experiments and comparative tests, the algorithm achieved a relative error below 0.08% and an absolute error below 2 K within a temperature range of 1000 to 4000 K, with an average runtime under 5 ms. The experimental results demonstrate that the method not only addresses efficiency issues in multispectral thermometry but also enhances temperature measurement accuracy, providing crucial technical support for industrial applications of multispectral thermometry.
Keywords:
TRUE TEMPERATURE-MEASUREMENT
DATA-PROCESSING ALGORITHM
PYROMETER
Journal
IF:
3.3
Papers:
6.1W
Citations:
14.3W