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Old 04-22-2018, 12:41 PM   #1546
willus
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Originally Posted by Ramo View Post
Thank you! It is not the perfect one-button-solution for all my problems, but now I understand what is happening!

I learned about JPEG 2000 just 2 minutes ago when downloading a set of scanned images from archive.org and failing to make scantailor work on them. Talk about Sincronicity!

Way better suport that I've ever had from any company! You're awesome!

Just out of curiosity, do you have a guess of if KOreader would do a better job with this kind of pdf instead of the Nikel standart software on my Kobo TouchC? And how did you found out about the resolution of the images on the PDF, is there a option to do that on K2PDFopt? I Couldn't find it. And the JPX & JBIG2 on brackets on -i are the file formats of the imagens than?
I doubt KOreader will do much better than the standard reader. JPX/JBIG2 simply take a lot of CPU to render regardless of the software, but I cannot say for sure since I have not used KOreader myself. Posting that question on the KOreader thread will get more experienced answers. The resolution was obtained using the k2pdfopt -i option. See the attached screen shot.
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Old 04-23-2018, 02:48 PM   #1547
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Hi, I use this a lot and it is fantastic. Is it possible to run this on android? There is an android github version. But I guess I could use gnuroot linux or something too. The regular compile instructions look a bit complicated (but I can be a bit thick). Thanks in advance.
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Old 04-24-2018, 11:43 AM   #1548
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According to the manual:

Quote:
If you want a perfect copy, do this: -mode copy -gamma 1 -cmax 1
But when I try to do this-- to keep k2 from darkening the print on the far side of thin pages, and keep it from obscuring the text-- I get an error stating:

Quote:
** File or folder -gamma could not be opened. **

** File or folder 1 could not be opened. **
And k2 darkens the print on the far side of these pages, obscuring the text.

I've tried -mode copy -wt+ 127 which clears out the extra print, but it's still harder to read than the input, and it seems to be lower-resolution than the input.
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