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Questions tagged [ocr]

Optical character recognition (OCR) is the process of converting images of text to text that can be manipulated by word processors etc.

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How can implement vision api using usb camera in android studio?

I develop a project on android studio that use textrecognizer. I would like to use logitech usb camera with android device to take picture. How can I implement this?
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Small tool to search through thousands of pdf's and list those not in OCR format [on hold]

I need to create a list of all Pdf files that are not in OCR format so they can be converted. The drive I need to scan contains many thousand Pdf's in many folders. If possible I would prefer to end ...
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Customize charset in Google Cloud Vision

I am working with text detection feature of Google Cloud Vision API and after taking a look to the documentation I am not able to find any way to customize the desired charset used to perform OCR. ...
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25 views

How to compare multiple PDF files?

My professor just uploaded an updated set of all the slides of the whole semester (17 PDFs), referring to them as the now definite examination material. Problem is, I have made lots of notes on the ...
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55 views

Error in training Tesseract with jTessBoxEditor

I merged about 50 images into one .tif file with jTessBoxEditor (Linux), but when I try to get the .box file with this code: tesseract mjchar.tif mjchar -l eng --psm 10 batch.nochop makebox an error ...
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47 views

Why can't I run Acrobat's ClearScan OCR on a PDF after removing the text layer?

Even after I remove the hidden text (via "Remove Hidden"), I'm still not able to run an OCR with "ClearScan" (i.e. "Editable Text and Images"). It's strange because the text layer appears to be gone, ...
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63 views

Splitting image of text into words - is it possible?

I am wondering if there is a way to split a scanned copy of a page (i.e. an image) into images of its constituent words. The book which is being scanned is in an Indian language for which OCR (Optical ...
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17 views

Authotkey ImageSearch Error

I'm developing a script and when I try to search an image and then another one, it doesn't work. My code: F1:: loop { ImageSearch, foundX, foundY, 0, 0, %A_ScreenWidth%, %A_ScreenHeight%, cap1.png ...
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438 views

Autohotkey to search images

I'm learning how to use autohotkey and I wanted to create a script which open a game from steam and joins automatically to a specific server. My code so far is: F1:: Run, steam://rungameid/346110 ...
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21 views

Insert an PDF into Word and it is still get searchable?

When I insert an pdf into Word it comes up like an image still after I have OCR treated the document. If I go to tool-line and use "Paste" > Object > Text from file. I get everything from the text ...
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492 views

Would extracting hard-coded subtitles like this work?

I have an mp4 with hardcoded subtitles and I want to make an SRT file. I tried using the video OCR software AviSub. It got the timings right but the words itself were very innacurate, so I got an SRT ...
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4k views

How to create PDF with scanned pages but selectable text?

Today I recieved a PDF from our supplier and it contained several printed and scanned pages with signatures etc. I opened it in Acrobat Reader DC. But to my surprise the text from the evidently ...
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1answer
49 views

What's the best method for JPEG text manipulation?

I have a relatively simple graphic; a technical diagram with various bits of text throughout. The text is in another language (Czech/Slovak). It's printed clearly enough to be accurately ...
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1answer
3k views

Understanding OCR options in Adobe Acrobat: “Searchable Image”, “Searchable Image (Exact)”, and “Editable Text and Images”

In Adobe Acrobat (I'm using Pro DC if that matters), there are three options for OCR: "Searchable Image". "Searchable Image (Exact)". "Editable Text and Images". What are the differences between ...
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581 views

How to use Onenote 2016 as an OCR on a PC

*Note I'm using a PC for all this. I am trying to take text out of a screen shot made on my computer and when I've tried the methods suggested by the video and the article listed; I don't get the ...
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27 views

Extract Text From Images,ocr

Extract Text From Images?i have many images,i searched and found some online convertors but doesn't work becouse i have 10.000 image,so i need a mass tool,can someone help me with this,thank you
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198 views

How to OCR document with table and export to text (with proper left/right/top/down text)?

I have a document with many pages that have columnar tables like the following. #1 2.1 This is some text. It can go onto the next line like this. #2 1.3 More text. #3 3.2 And some more ...
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1answer
313 views

How can I convert a .png image to .pdf with OCR text? [closed]

I have a .png file that is a screenshot of an article I found online. I would like a PDF version of it, with all the text selectable. Are there any apps or tools that do that?
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43 views

PDF file is crazy complicated, two layers, OCR impossible

I'm dealing with a conundrum. I have this PDF file, which I annotated and highlighted. Thinking I could later copy and paste paragraphs. This turned out to be wrong, copying the text is impossible. So ...
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356 views

How to auto detect text language in a photograph and translate it [closed]

I managed to integrate an OCR app to detect text from a photograph https://obserbot.com/ but it only fetches exact text from the photograph and not converting it in multi-language. I want the app to ...
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80 views

Extract PDF Data using categorized annotations

Are there any existing tools to extract data from PDF files using this method. Lets say I have 3 categories Image - this will be a rectangle annotation which will crop that specific area where the ...
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1answer
664 views

How to extract text from an image-based pdf using Cuneiform in terminal

cuneiform -l eng -f text -o outocr.txt input.pdf The above command, when run in terminal, outputs only the text of my PDF title page to the outocr.txt file. What should I do to make it recognize ...
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2k views

How can I convert PDF bank statements to a Excel or CSV file?

I am just doing my UK tax return (Yes I have left it until the last minute). My bank (Nationwide) will only let me download the last 15 months of transactions as a CSV file, but will let me download ...
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3answers
459 views

How to effectively scan 130,000 paper pages in 10 days

I have a rather large project which will ultimately benefit society, and I'm looking for all the help I can muster.   I have about 130,000 pages that need to be digitized. Many of them are in packages ...
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3answers
32 views

Capture text on page with background white from photography

I intend convert a photography, with txt on page with background white, to txt file. The purpose is capture all text on this images. I google and I founded the imagemagick and this tools: SCAN Image ...
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1answer
230 views

Can I “roll back” to the PDF without OCR?

I'm using Automator in combination with Abbys Finereader to watch a Folder for new scanned PDF documents. The Finereader OCRs the Document and exports it to a new PDF in the same Folder. For a month ...
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1answer
506 views

Adobe could not perform recognition: This page is larger than the maximum page size of 45 inches by 45 inches

I tried to run the text recognition tool in a PDF, and obtain the following error message: Adobe could not perform recognition (OCR) on this page because: This page is larger than the maximum page ...
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1answer
125 views

OCR on pages containing both text and images in Acrobat XI Pro

Why does Acrobat XI Pro not allow an OCR scan on pages containing both images and renderable text? The sample PDF in the screenshot was created from an MS Word doc. The first line was typed out; the ...
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1answer
283 views

OCR messed up by Ghostscript

Last year there was a bug found in Ghostscript. It is documented here: http://bugs.ghostscript.com/show_bug.cgi?id=696116 It is marked Status: RESOLVED WONTFIX In the end the assignee, Ken Sharp,...
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173 views

Funny OCR-situation

I have a multipage scanned 300 dpi PDF-file on an Ubuntu 16.04 system. When I run the following command: pdfocr -t -l swe -i *.pdf -o newfile.pdf It results in a perfectly OCR-read file. Every ...
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37 views

How can I get an image of text transcribed where I can specify the font (TFF file)?

Is there possibly some way to quickly transcribe a large amount of text in a weird font (i.e. something like BulletMix: https://www.fontstock.net/4041/bulletmix.html)? I have access to photoshop, but ...
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5k views

Enable OCR in Greenshot

I run Windows 10 with Microsoft Office professional Plus 2016 on my computer. Looks like MS OCR functionality is enabled in my system since OneNote is able to copy text from image. But how to enable ...
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0answers
934 views

How to compress Tesseract-encoded PDFs while maintaining embedded text from OCR?

I've been experimenting with using Tesseract to OCR my PDFs, and it has been mostly successful, particularly with German Fraktur texts (the old style gothic print), which tools like Adobe Acrobat can'...
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1answer
14k views

MODI in MS Office 2016

I have heard about scanned document OCR feature in MS Office. I was trying to copy scanned document image to clipboard and paste it as text in notepad as text, but this doesn't work. I have Office ...
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323 views

Change Trade Manager software language

I have installed Alibaba Trade Manager software. Unfortunately it in Chinese language. How to make its interface English? This is its settings window:
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212 views

Converting Multiple .doc files to searchable .pdf

I have a batch command file that runs daily converting data extract files to .txt, .doc, and then to .pdf formats. I run a series of formatting macros in Word on the .txt file before saving to .doc ...
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768 views

Renaming a pdf file (scanned document) using OCR. It should read 3 zones and rename accordingly. e.g. Streetname_LastName_Date.pdf [closed]

I am running into trouble with tons of paperwork. I want to have it digitalized in order to simplify search and therefore cut down a huge amount of time spent on looking though the paperwork. It is ...
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1answer
134 views

Adobe Pro OCR for unscanned presentation with embedded text images

I am trying to use Adobe Pro (2015)'s OCR capability to grab all of the text in a presentation. The presentation happens to be in PowerPoint. If I print the presentation and scan it, I can use Adobe ...
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1answer
922 views

How to extract Unicode character from .png file?

I want to extract Unicode character from .jpg and .png files. I try to do it by using following command: tesseract 1.png output.txt That command works for English characters but when I try it for ...
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1answer
1k views

How to make OCR recognize this image

original image I think recognize the digits from this image would be really easy, but it just can't be recognized by tesseract and a lot of online OCR. Then I process it like this. process image ...
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76 views

Convert and compress multiple tif (image) files into one PDF with OCR

I have found one old project that does exactly what I want! But it's broken somehow. Some crucial parts seems to be missing. It's a nightmare to configure. You can look at it here: http://...
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1answer
910 views

OCR PDF Parse selected area

I have many account balance documents, I need to create an Excel file from a table inside these documents. I can proceed with a normal OCR recognition but the main problem is that these PDFs have page ...
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1answer
27 views

Compare documents (images)

I need to compare a pdf with about 27000 pages (scanned pages) to another pdf with about 28000 pages (also scanned pages) so that I can find the 1000 pages which differ. Does anyone now a good ...
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1answer
826 views

In jTessBoxEditor for Tesseract how to combine multiple TIFF/boxfile into one traineddata file

I think this would be possible with command line, but how to do it with jTessBoxEditor as it would automatize a lot of workflow. Since jTessBox supports multi page TIFF I think that might be the way,...
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57 views

Is it possible to unprotect a copy protected PDF by recovering the character mapping using OCR?

There is a certain way of restricting the ability to copy text from a PDF which works by mapping each character of the used fonts to random characters of the so called private area of the Unicode ...
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What format is best for screen capture in prep for OCR? [closed]

What format should a screen capture be taken in (png, tiff, pdf) in order to get the best OCR? Do some OCR packages perform the OCR on the png or tiff to extract text before converting the image to ...
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4answers
7k views

What is this symbol `¬` and how to remove it from a ms word 2013 file?

I used an ocr program to convert some scanned pages to an ms word file. After the conversion is possible to found the symbol ¬ in the middle of many words. I tried to search and replace it but word is ...
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218 views

Why does performing OCR in Adobe create a much larger document?

I'm using Adobe Acrobat Pro XI on Macintosh OS X Yosemite and I've noticed that doing OCR sometimes creates a much larger document. For example, I scanned a four page document and got a 458K document,...
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1answer
252 views

OneNote 2013, OCR, imported/printed PDF, reset picture to original size, it highlights wrong place

The title is messy, sorry for that. My point is that if I use the "Send to OneNote" feature, and then right click the print out and choose "restore to original size", the text OCR search will be off-...
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1answer
450 views

How to convert all text in PDF to image

Preamble I have been writing lectures in the institute on notebook. Others wrote them with pen and paper (Don't know how to say correctly in English, but I think it is understandable). Now we are to ...