@article{prahl12b,
  author = {Scott A. Prahl and Amanda Dayton and Kyle Juedes and Erik J. S{\'a}nchez and Rafael {L{\'o}pez P{\'a}ez} and Donald D. Duncan},
  title = {Experimental validation of phase using {N}omarski microscopy with an extended {F}ried algorithm},
  journal = {J. Opt. Soc. Am. A},
  year = {2012},
  pages = {2104-2109},
  volume = {29},
  abstract = {Reconstruction of an image (or shape or wavefront) from measurements of the derivatives of the image in two orthogonal directions is a common problem. We demonstrate how a particular reconstructor, commonly referred to as the Fried algorithm, can be used with megapixel derivative images to recover the original image. Large datasets are handled by breaking the derivative images into smaller tiles, applying the Fried algorithm and stitching the tiles back together. The performance of the algorithm is demonstrated using differential interference contrast microscopy on a known test object.},
}