Name

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      IMG_RADON

Purpose

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      Compute the Radon Transform of a color or B&W image.

Category

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Calling Sequence

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      img_radon, img

Inputs

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      img = Input image (Color or B&W). in

Keyword Parameters

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Keywords

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        START=a1 Given start angle in degrees, default=0.
        STOP=a2 Given stop angle in degrees, default=179.
        STEP=da Given angle step in degrees, default=1.
        ANGLES=ang Returned list of angles used (deg).
        RADIUS=rd Returned list of radii from image center (pix).
        EMBED=n Given size of zero image to embed given image in.
          Def=no embed.
        TRANSFORM=trans Returned Radon Transform image.

Outputs

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Common Blocks

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Notes

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Notes

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        Display original image:
          img_disp,img & win1=!d.window
        Display Radon Transform of image:
          izoom, ang, rd, bytscl(trans),/center
        Explore Radon Transform:
          xypro_radon,init=win1
          crossi,xypro='xypro_radon',/mag
          xypro_radon,/erase

Modification History

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      R. Sterner, 2006 Jun 27
      R. Sterner, 2010 May 12 --- Converted arrays from () to [].
  Copyright (C) 2006, 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.