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18-07-2020 | Issue 3/2020

Measurement Techniques 3/2020

Method for Determining the Measurement Uncertainty of the Detailing Coefficients of the Wavelet Transform of Image Brightness Profiles

Journal:
Measurement Techniques > Issue 3/2020
Author:
N. V. Glukhova
Important notes
Translated from Metrologiya, No. 1, pp. 28–47, January–March, 2020.
This study analyzed the relevance of using measurement methods based on visual data and identified the main problems that arise when calculating the measurement uncertainty of the estimates of quantitative characteristics of images in automated image analysis systems due to the lack of general recommendations for this type of calculation. Moreover, the study highlights the challenges in developing a method for calculating the measurement uncertainty of the detailing coefficients of the wavelet transform applied to the automated analysis of gas-discharge radiation images of water. To evaluate the biological properties of water and highlight the corresponding informative features of the gas-discharge radiation images, a one-dimensional wavelet transform of the brightness profile is proposed. This method of calculating the uncertainty is based on the results of repeated cases and helps reveal the measurement uncertainty of the quantitative characteristics of the images.

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