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Step 5: Complex exponential

This step undoes what was done in Step 3. This is done by "rolling up" the image in Step 4 by using the inverse of the complex logarithm, i.e. the complex exponential.

 

You might have said, why bother? I could have easily gimped the source image to get this. And you would be right. But see step 6 for an explanation.

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Taken on July 6, 2006