An advanced methodology for visualization of changes in the properties of a dye

Abstract

The application of dye to the surface is one of the varieties of technological processes in engineering. This operation is very important for the manufacture of various details and finished products. Therefore, quality control is an important element when painting the product. For such control, a methodology for visualizing changes in the properties of a dye is proposed. The input data are spectroscopic data. Next, we propose to carry out wavelet analysis. For this analysis, we use the wavelet coherence. We have shown that the wavelet coherence can be used as a visualization tool of changes in the properties of a dye. We conducted a study for a dye that was applied to various surfaces. We have shown that wavelet analysis makes it possible to distinguish surfaces for one dye.