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Old 02-17-2024, 01:43 AM   #6
KindleAZWorKFX
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Posts: 57
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Join Date: Jul 2018
Location: CA, USA.
Device: Kindle Paperwhite Signature Edition and Samsung 10.1 tablet
Cool

Quote:
Originally Posted by correoparaappzz View Post
hi, i'm having problems.

i don't the binary part. i downloaded the .exe form the web and put it in "Choose binary".
Now every time i click the plugin icon it opens 2 windows
it does that to me too, plus it doesn't seem to use OCR option in the k2pdfopt program 2.55 version of the program I have downloaded of the x64 binary type. it was at first opening it two times, if you click on the plugin, it opens it then once that window, click on the convert button it reopens it again. so that is two times.

its missing the plugin does seem to be missing settings that the program has like that OCR (Tesseract) feature it has within the program itself the plugin is missing that and its missing Fixed output font size, which I am not sure that even works or not, I don't really know if it affects pdf fonts in the images at all, but without OCR on the pdf files cannot use in edge and read aloud feature doesn't work for pdf without having OCRing the pdf , which does work well with pdf and text to speech, for me, it's one of the few OCR apps that seem to work well, it's a nice idea this plugin but I do think it needs work I guess.

I have x64 version of Calibre 7.5.1 and the 32x bit version calibre-5.44.0 for the text to speech voices that don't show up in Calibre's Ebook Viewer on the x64 app, both seem to work fine together, this plugin was added in 7.5.1 build of Calibre software, I am guessing the person who also has it installed is using the current version too on their pc.

I had to manually setup a save for Presets: Default profile, as it didn't come with a save value and each time I open k2pdfopt Plugin I have to reopen the Default profile, otherwise it doesn't remember my settings when the plugin is opened, that might need to be fixed in future builds, again I like the idea of this plugin it just needs some updates, looking forward to seeing its progress, and thanks for the plugin

https://www.willus.com/k2pdfopt/

https://www.willus.com/k2pdfopt/download/?-1

https://willus.com/k2pdfopt/contrib/

So, I tried that k2pdfoptgui 2.0 from k2pdfoptgui2_1_0_0,zip from contrib website it seems to get this message with the official 64bit downloads, it doesn't seem to want to output a pdf from that software? ok I think it doesn't work since it was last updated Last update: v2.1.0.0, Jan 2014 which is older than k2pdfopt.exe 2.55 version, I guess that makes sense why it doesn't work anymore, not sure why there is still a link to it on that page?

Quote:
[01:20:59] WARNING: k2pdfopt.exe file size mismatch.
Conversion might not work properly.
[01:20:59] Conversion process started...
- I just found this from the link in the original post, anyway 2.55 is current but second mirror site only has 2.54 app, so its downloads I guess are a bit older since current version is not on the mirrored site for this app. this link has alternative gui I just found this, I been only using the one gui, I have to try this out, again thanks for that link I didn't know their was a post here about it too.

https://www.mobileread.com/forums/sh...d.php?t=144711

v2.55 (December 26, 2023) windows 64bit app, and it has the gui in it, not sure if their a console only version as I don't see it on Willus.com's K2pdfopt Download Page, I am pretty sure this is the correct homepage for K2pdfopt app, I don't see a console only version, I am not sure if this plugin is looking for a console only version, is their a github page for K2pdfopt that might have a console only version of it? anyway again thanks for the plugin

Also, this is a good read below on OCR and tesseract, which might be helpful.

https://www.willus.com/blog.shtml?tesseract_accuracy

one thing I am not sure about when it comes to tesseract is done k2pdfopt 2.55 default to using Tesseract v5.3 "best" or is there a setting somewhere you need to tell it to use, also is the newest version the best when converting pdf files that don't have OCR in them? since the click on box doesn't have much of the way of settings for OCR besides 50% CPUs and Fast button, I noticed that clicking on Fast button seems to make it better for pdf files and edge's read aloud feature, otherwise if Fast is not clicked on its not better at reading back words, I am not sure why this is, since I would think Fast is a lower quality but it seems to help it to read some words in some pdfs files, for me at least I had noticed that.

I am running this software on a 12th Gen Intel® Core™ i9-12900K processor, that what's in my pc if that info helps at all.

The latest installer can be downloaded here: for this I just found this windows installer, I don't know if k2pdfop will use the tesseract if installed or if it only uses its own built in one, since I didn't have it installed when using the OCR option in the app, ok I might of installed it but I forgot that I did already have a version installed does k2pdfop use this directly or does it use its own version?

tesseract-ocr-w64-setup-5.3.3.20231005.exe (64 bit)
https://digi.bib.uni-mannheim.de/tes...3.20231005.exe

https://github.com/UB-Mannheim/tesseract/wiki

https://valid.x86.fr/sgnydq


Last edited by KindleAZWorKFX; 02-17-2024 at 04:26 AM. Reason: added more details & links. good plugin and added features from the original app, that it accessing like OCR. links
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