Name

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      ELLFITBIN

Purpose

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      Fit an ellipse to a 2-d binary blob image.

Category

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Calling Sequence

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      ellfitbin, array, xm, ym, ang, ecc, a, b

Inputs

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      array = 2-d binary blob image. in

Keyword Parameters

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Outputs

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      xm, ym = Mean X and Y coordinates (array indices). out
      ang = angle of major axis (deg). out
      ecc = eccentricity of fitted ellipse. out
      a, b = semimajor, semiminor axis of fitted ellipse. out

Common Blocks

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Notes

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      Notes: The method used is that listed on David Fanning's
      web site and uses techniques from Craig Markwardt.
      Appears to give a better fit then ellfit.

Modification History

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      R. Sterner, 2007 Jan 08 after David Fanning & Craig Markwardt.
  Copyright (C) 2007, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.