scantailor-advanced
local_adaptive_binarization
| scantailor-advanced | local_adaptive_binarization | |
|---|---|---|
| 21 | 2 | |
| 1,107 | 124 | |
| - | - | |
| 0.0 | 0.0 | |
| 8 months ago | about 1 year ago | |
| C++ | C++ | |
| GNU General Public License v3.0 only | - |
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scantailor-advanced
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Z-Library to Let Users Share Physical Books
There's also https://scantailor.org/ (and a maintained fork at https://github.com/4lex4/scantailor-advanced ) which semi-automates unwarping and other corrective tasks in scanned books.
- Protip : Scannez et classez tout vos documents. Maintenant.
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Looking for freeware to scan multiple photos and autocrop. Straightening would be a plus
ScanTailor Advanced (downloads are in the sidebar, labeled as "Releases") is a little more complex. It takes a folder of images and performs a series of steps to produce good book scans, though it might be useful for your purpose as well. The first step after importing images is to split them up, and ScanTailor does this by looking for straight lines that might indicate a gap between pages. Now, I don't know if this will handle any more than two pictures per image, but it will at least handle doubles. ScanTailor will also attempt to automatically deskew pictures, and then there are a few steps that you'll need to take to make your pictures come out nicely.
- Whats the best software to split multiple scanned-at-once photos apart?
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Iām looking for a OCR software that scan text
My preferred method is to take pictures of all the pages of the book (Open Camera has a nice option to take a new picture every n seconds), optionally touch them up with ScanTailor (automated), and then turn all the images to a PDF using NAPS2 (which will OCR the text as it goes in).
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Tutorial on book digitization
Next is the cleanup. Scan Tailor is the best game in town for this, but it's a dead project. Instead, there are two forks that have picked up where the original developers left off. Scan Tailor Advanced is my current fork of choice, though Scan Tailor Universal tries to add new usability features. For whatever reason, only Advanced makes full use of my CPU, so it's several times faster than Universal for the time being.
- Program for book digitisation/scanning?
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Request Help-How to batch split two pages (misscanned onto 1 page) into two pdf pages, one pdf page for each page image? Any suggestions on other software products to assist?
No problem. https://github.com/4lex4/scantailor-advanced/releases
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https://np.reddit.com/r/opensource/comments/ou4y5h/is_there_an_open_source_program_to_reduce_the/h72nl4g/
If you are interested in more ways to treat a scan, ScanTailor is definitely an option. I am using a fork called ScanTailor Advanced which is available under GPL-3.0 on GitHub. With this tool you can also crop your images and apply options like threshold or posterization to improve readability while further reducing the file size.
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Tesseract OCR
I use a Ā£15 arm with a vice grip for my phone from Amazon, copy the files to my laptop and then run a bash for-loop of the tesseract CLI over the resultant files.
I use https://github.com/4lex4/scantailor-advanced to deskew the images and generate the PDF.
It isn't perfect but my purposes are more around research than publication, so, YMMV!
local_adaptive_binarization
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Recovering redacted information from pixelated videos
Not off the shelf but here are some tools. I have no experience with them.
Wolf binarization - I think it makes the text more clear before OCR.
https://github.com/chriswolfvision/local_adaptive_binarizati...
This thing OCRs the pdf using Tesseract OCR
https://github.com/ocrmypdf/OCRmyPDF/
Two other pdf tools
https://github.com/qpdf/qpdf
https://github.com/pikepdf/pikepdf
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Tesseract OCR
(2): https://github.com/chriswolfvision/local_adaptive_binarizati...
What are some alternatives?
scantailor-universal - ScanTailor Universal - a fork based on Enhanced+Featured+Master versions of ST
BoofCV - Fast computer vision library for SFM, calibration, fiducials, tracking, image processing, and more.
EasyOCR - Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.
pikepdf - A Python library for reading and writing PDF, powered by QPDF
bookscan - Documentation and scripts for book scanning using free software tools
OCRmyPDF - OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched
PaddleOCR - Awesome multilingual OCR toolkits based on PaddlePaddle (practical ultra lightweight OCR system, support 80+ languages recognition, provide data annotation and synthesis tools, support training and deployment among server, mobile, embedded and IoT devices)
Tesseract.js - Pure Javascript OCR for more than 100 Languages ššš„
im2markup - Neural model for converting Image-to-Markup (by Yuntian Deng yuntiandeng.com)
pi-scan - Pi Scan is a simple, robust capture appliance for book scanners. It runs on a Raspberry Pi 2.