Perspective error reduction in 2D Digital Image Correlation measurements by combination with Defocused Speckle Imaging
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DOI: 10.1016/j.optlaseng.2021.106820
Abstract: Abstract 2D Digital Image Correlation (2D DIC) enables full-field in-plane displacement measurement by tracking the physical surface texture in the recorded images. However, because camera magnification is inversely proportional to object distance, points along the… read more here.
Keywords: perspective errors; surface; digital image; defocused speckle ... See more keywords