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Originally Posted by JOZAWUN
After jiggling around a bit with the settings (guided by all the posts in this thread), I have got the conversion to work perfectly on a couple of trial books, both of which look like very good original scans.
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Can you post the settings you changed (from the default profile) or at least a screenshot of the GUI screen prior to Converting? Post a sample converted ebook if you can or just one page to visualize your issue.
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I have used the "no dilation" option, colorspace "gray"; and it is the same in either portrait or landscape, and with either 4 or 16 colors.
Does anyone have any suggestions?
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It appears that dithering may blend the background screening into the text creating that effect.
My suggestion would be to not limit the color to 4 or 16 and use the full color spectrum allowed by the program i.e. 256 colors. This way the hardware ebook reader can render that ebook the best way it can and hopefully it eliminates that "noise".
Also, try lowering the the Edge Level to 3 or 1 or even try selecting "no edge enhance".
You can try increasing the resolution of the Dilation DPI to 600 or even use the "pdfread-MinFilter5-mod-bin.zip " executable as explained in the Note at the bottom of the first post in this thread.