Characterization of topography hidden under paint by means of qualitative algorithms robust to the number of frames and non-uniform illumination
Optics and Lasers in Engineering(2022)
Abstract
•In this work, hidden topography under paint were characterized by dynamic speckle image processing.•The choice of an algorithm for dynamic speckled image processing was made with the lighting profile in mind.•The results show that the performance of various intensity normalized speckle algorithms decreases with the number of frames used.
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Key words
Speckle,Optical interferometry,Image processing,Paint drying
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