The optimum character height of a capital letter is between 25 and 35 pixels for the bestĪccuracy for both Tesseract v4.1 and v5.1. Technique, that, interestingly, is 30% faster on the "best" english training file butĤ0% slower than Tesseract 4.1 on the "fast" english training file (on a Core i9-9900 CPU). Has identical accuracy to Tesseract v4.1, but uses a new 32-bit floating point calculation It and benchmarked it with a standard test I have. I did some experimenting with Tesseract (OCR) v5.1 today. See details in the k2pdfopt version history. Version is also compiled with the latest gcc compiler, v12.2. Libraries-notably Tesseract v5.3.0 which improves the OCR speed. There is no update to the k2pdfopt source code in this release-only to the The download page for some time was not correctly showingĪ link to the Win64 v2.54 version. Gcc v12 / k2pdfopt benchmark and an updated I've added to my blog some benchmarking / testing that I did when I guess the Mac download using the Safari web browser has not been workingįor a while. It's the best multi column converter I have found yet." - July 26, 2012 "I'm using k2pdfopt to convert scientific papers for my kindle. Once again great work." - October 30, 2021 "I tried your tool it works great i am impressed. Unsolicited comments from k2pdfopt users (refresh the page to change the comments): Here's a quick example of what k2pdfopt can do (click on the images below to get the PDF files): My most recommended solution for this on my PDF Conversion Tips page. Want to convert your PDF to an e-book format like epub or mobi, you might want to check Note to MS Word users: While I still suggest you try out k2pdfopt, if you truly There areĭownloads for MS Windows, Mac OSX, and Linux. It can generate native or bitmapped PDF output, with an optional OCR layer. It can also be used as a general PDF copying/cropping/re-sizing/OCR-ing manipulation tool. It works well on multi-column PDF/DJVU files and can re-flow text even on scanned PDF files. K2pdfopt optimizes PDF/DJVU files for mobile e-readers ( e.g.
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