[projectaon] Re: Voyage of the Moonsone Illustrations
- From: Ingo Kloecker <projectaon@xxxxxxxxxxxxxxxx>
- To: projectaon@xxxxxxxxxxxxx
- Date: Mon, 18 May 2009 20:38:33 +0200
On Monday 18 May 2009, Jonathan Blake wrote:
> P.S. For the sake of the curious, here's an outline of what I do to
> clean the scanned images:
>
> 1) Drop the color depth to black and white (adjusting the threshold
> to reduce noise and preserve image information).
> 2) Crop the scan closely around the edges of the illustration, but
> not exactly.
> 3) Measure how far out of vertical the illustration is
> using the illustration borders when available.
> 4) Rotate to compensate.
> 5) Increase color depth to 8-bit grayscale.
It's interesting that you rotate the image in black and white. I would
have thought that doing all manipulations in grayscale would give a
better end result. Apparently, that's not true when it comes to
rotation.
Regards,
Ingo
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