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Marcraven

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11 Apr 2014 Improved Digital Image Correlation (DIC) Calculate full-field displacements and strains from a set of images with a random speckle pattern. Author: Elizabeth Jones

Hi again Elisabeth,

Thank you for your previous answer, that was exactly what I needed.

I expose my new doubts:

In the dispx_raw and dispy_raw matrixes, the element number 1 is the top left and the last is the bottom right of the correlation? If so: The sequence is row by row or column by column?

I am trying to remove the rigid body displacement from my correlation by taking the first element displacement and substract it from every other element displacement in every image.
This would theoretically give me just the relative displacement between the first element and the rest. Am I right?

Best regards,

11 Apr 2014 Improved Digital Image Correlation (DIC) Calculate full-field displacements and strains from a set of images with a random speckle pattern. Author: Elizabeth Jones

27 Nov 2013 Improved Digital Image Correlation (DIC) Calculate full-field displacements and strains from a set of images with a random speckle pattern. Author: Elizabeth Jones

Hello Elizabeth!

I have been using your code for the last two weeks and it is great! Thanks a lot.

By the way, I would like to use the displacement matrix to calculate the error of the correlation (max error and average). How is the displacement matrix called in your code?

Thanks a lot

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