ScanTailor VS OCR.space

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. - Source: Hacker News / about 1 year ago

Scantailor (https://scantailor.org) is the tool for self-scanned books that exist in images (png, jpg, etc). However, I usually use Irfanview with PDF plugin (https://irfanview.com - download both Irfanview and the Plugins from this home page) I have elsewhere in r/PDF shown how you can do batch splitting of two-page scans, clean up muddy pages (yellowed or browned) . In the Reddit search box, search for... Source: about 1 year ago

Scantailor https://scantailor.org/ might be useful. Source: about 1 year ago

Scantailor is a good open source option that has a lot of features centered towards this process. Source: over 1 year ago

I use OCRmyPDF on a regular basis to OCR journal articles my library sends me. I've found it works great on English but (with appropriate language packs installed) works poorly on Greek and Hebrew. It also makes no effort to understand the layout of pages (e.g., tables). The project is fantastic, though. I've often considered building a web frontend that cleans up PDFs and then OCRs them using OCRmyPDF. For... - Source: Hacker News / almost 2 years ago

OCR.Space — An OCR API parses image and pdf files that return the text results in JSON format. Twenty-five thousand requests per month are free. - Source: dev.to / 3 months ago

OCR works pretty good. ocr.space, ocr.best and cotrans.touhou.ai/ are all pretty nice. Source: 8 months ago

Anyway, this title "Opera" has an interview dotted in between the "Acts" of the photobook, so I thought I'd try my hand at translating it. I've scanned the interview pages in greyscale mode, cleaned them up in photoshop, cropped them, and passed them through an online OCR (http://ocr.space/). I then asked ChatGPT4 to translate the Japanese text. Source: 12 months ago

Oh if the test itself is just on paper and not digitized you can take pictures then use https://ocr.space/ to scan all the text off it then bring it over to GPT for a spelling correction after then grade them from there. Wouldnt work for writing assignments though since it would fix any spelling/grammar mistakes that were originally there. Source: 12 months ago

That is a good idea. If you don't have a text, there are ways to convert pictures into text, here for example. Source: almost 1 year ago