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Sat Jun 28 13:15:43 CEST 2008

Lens correction

Grid estimation with lens correction, roadmap:

- Lens parameter estimation: cubic distortion + optic center -> try
  this with manual approach first.

- general flow: sobel edge -> histogram for direction -> projection on
  2 orthogonal directions -> grid phase + frequency.

- Optionally: search the LFSR 2D space for sets of equations that are
  not soluble.



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