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Rectangle.

args[0] (art5)

The original image.

args[0] (art5dst1)

Result of Euclidean distance transforming art5 (and then pixel multiplying by 5.

args[0] (art5skl1)

Result of skeletonizing art5.

args[0] (art5mat1)

The medial axis transform of art5.

args[0] (art5cha1)

Result of image editing art5.

args[0] (art5ske2)

Result of skeletonizing art5cha1 (using an algorithm which does not guarantee a connected skeleton).

args[0] (art5ske3)

Result of skeletonizing art5cha1.

args[0] (art5cha2)

Result of image editing art5.

args[0] (art5dst3)

The brightened (by a factor of 6) distance transform of art5cha2.

args[0] (art5noi1)

Result of adding pepper noise to art5.

args[0] (art5dst2)

The brightened (by a factor of 15) distance transform of art5noi1.

args[0] (art5ske5)

Result of skeletonizing art5noi1.

args[0] (art5low1)

Result of frequency filtering art5 with an ideal lowpass filter with a cut-off of Eqn:eqnfreq5.

args[0] (art5low3)

Result of histogram equalizing art5low1.

args[0] (art5low2)

Result of frequency filtering art5 with an ideal lowpass filter with a cut-off of Eqn:eqnfreq4.

args[0] (art5low4)

Result of frequency filtering art5 with a Butterworth filter with a cut-off of Eqn:eqnfreq5.

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©2003 R. Fisher, S. Perkins, A. Walker and E. Wolfart.

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