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Frequency-based image analysis of random patterns: an alternative way to classical stereocorrelation
[article]
2013
arXiv
pre-print
The paper presents an alternative way to classical stereocorrelation. First, 2D image processing of random patterns is described. Sub-pixel displacements are determined using phase analysis. Then distortion evaluation is presented. The distortion is identified without any assumption on the lens model because of the use of a grid technique approach. Last, shape measurement and shape variation is caught by fringe projection. Analysis is based on two pin-hole assumptions for the video-projector
arXiv:1311.3864v1
fatcat:tovlwwk4jnh4fldjt3udc77slu