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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Scanning in and organizing papers [on hold]

Our house is getting overloaded with receipts and important papers. We have been cheated a few times out of a lot of money because we did not keep receipts or other papers so we try and keep them all ...
2
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6answers
1k views

How do I get the best quality screenshot for OCR (Optical Character Recognition)?

I'm trying to get some data into a text file from screenshots. Apparently screenshots don't work very well with OCR because they are 75dpi and the minimum for good quality OCR is 150dpi. Does anyone ...
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0answers
38 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 ...
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1answer
32 views

How to avoid skewed results with the OCR tool pdfsandwich?

Usually, scanned pages need to be deskewed before applying an OCR tool. Here, my input is a straight scanned page, and the OCR output is sometimes skewed, either clockwise or counter-clockwise. In my ...
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5answers
7k views

Batch-OCR many PDFs

This has been discussed a year ago here: Batch OCR for many PDF files (not already OCRed)? Is there any way to batch OCR PDFs that haven't been already OCRed? This is, I think, the current state of ...
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4answers
17k views

Batch OCR for many PDF files (not already OCRed)? [closed]

I use Google Desktop Search (I am on Vista) and not all my PDF files are recognized in my archive folder. It is normal as "PDF files that contain scanned images" are not indexed ( ...
2
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2answers
562 views

Copy image and paste to OCR [closed]

Running Win 7. Is there OCR freeware that easily allows copy of a picture and paste into the conversion program. I have no scanner at this time. Want to convert stored images.
26
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9answers
36k views

How to extract text with OCR from a PDF on Linux?

How do I extract text from a PDF that wasn't built with an index? It's all text, but I can't search or select anything. I'm running Kubuntu, and Okular doesn't have this feature.
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2answers
827 views

OCR for numbers with gray noisy background

I tried to run OCR on multiple scanned sheets with numbers like this image (All with same background, digits only): But all trials failed! I tried offline OCRs: gocr, tesseract and couple of online ...
0
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2answers
579 views

When running Adobe Acrobat's OCR on a PDF document, which downsampling produces a higher quality: 600 dpi or 72 dpi?

I have a large PDF document that consists of scanned pages of a textbook. I want to run Adobe Acrobat 9's text recognition function on it, but I'm presented with this menu when I do. I'm confused ...
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0answers
12 views

Automatic OCR workflow from Android to Windows

I would like the following to happen: I take a picture with my Android phone. Somehow I need to tell the phone that it's a receipt, and not a picture of something else. The picture gets OCR-ed and ...
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3answers
571 views

Import table from a image to a spreadsheet

How can I import a table from a scanned image (jpg/pdf) file to a spreadsheet? Example scan is here
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1answer
186 views

Identification software for Mathematical symbols?

Typically if you've forgotten or have never seen a symbol in a math equation before you are forced to read a large part of the context you found it in and guess which name that symbol has. That is too ...
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0answers
59 views

Turn Off Dictionary in Tess4J

The accuracy of character recognition in my tess4j OCR application is very low. I have heard that turning off the dictionary in tess4j will increase the accuracy by letting individual characters to be ...
3
votes
1answer
530 views

How to remove OCR from a PDF?

I have been searching Google for some time but cannot find an answer to my question. I have unwanted layers of OCR in a document that I recently scanned with Adobe Acrobat. It has not been OCRed ...
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0answers
19 views

OCR for a list of expected names

I'm looking for a way to use OCR software for processing a number of attendance lists of names and signatures. Since I know the possible set of names in the OCR output I think I can help the software ...
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2answers
42 views

Can I recover the original image of text after processing by adobe professional OCR?

Someone used (probably) Adobe Professional OCR feature to OCR a scanned pdf file. The OCRed result had some errors, and it added the text result back to the text image in the pdf file, covering the ...
3
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2answers
1k views

How to replaces images of text in PDFs with formatted text using OCR

I get a lot of PDFs from other people consisting of scanned old documents. Unfortunately, sometimes the text on the scans, though legible, looks grainy and is hard to read. What I've been able to do ...
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4answers
2k views

How can I search multiple PDF files that have OCR?

I have thousands upon thousands of PDF files that have OCR. It's great when you have one open but I want to be able to find PDF files in a folder that contain X. Adobe seems to have something build in ...
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0answers
17 views

DjVu hidden text → PDF?

Is there a way to make a PDF of only the hidden text layer of a DjVu file? I know how to use djvused myfile.djvu -e 'output-txt' > myfile.dsed to output a DjVu script that includes the x,y ...
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1answer
167 views

Scanning, OCR and adding the scanned numbers

I need to scan hundreds of pages with numbers written on them in the bottom right corner. Post scan - I need a OCR software to recognize the number written at the bottom right corner of each page and ...
1
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1answer
8k views

Free OCR for Arabic text

A friend has requested I convert an Arabic text .pdf into Word. Google Docs does not seem an option but new OCR looked promising because Arabic is featured in the 'Recognition language' dropdown. I ...
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0answers
306 views

What are the possible tools to convert from pdf to epub?

I know similar questions have been asked before, but before marking it as duplicate, let me explain. I just bought a .pdf ebook online and would like to have it as a .epub instead. I usually use ...
2
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2answers
529 views

Looking for software to rename file name of jpeg scan image of doc to text in the image [closed]

I'm scanning in many A4 paper documents to JPEG using a automated document feeder scanner. The results are FILE0001.JPG FILE0002.JPG etc. I would like a program to rename the file name title to text ...
2
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3answers
2k views

OCR Tesseract, Empty page error?

I compiled it from sources with leptonica. This is a png image with transparent background, which I edited adding a blue color and still this error: Tesseract Open Source OCR Engine v3.02.02 with ...
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1answer
82 views

Convert text in image file to text file

I have a PDF file which is a scan of a form containing pictures, tables and text. I'd like to run a program (not an online tool) on the file and have it produce a txt file containing the words. Not ...
2
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1answer
1k views

Can I force Acrobat Professional to replace the OCR-ed selectable image with text?

I have a book I want to read onscreen. It is scanned at 200 dpi monochrome (I still don't know what went wrong in the scanner driver, I remember setting it to grayscale, but cannot afford the time to ...
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1answer
294 views

abby fine reader page layout

I have to scan and ocr an entire book using abby fine reader. do you know how can i define a zone of interest to scan all the pages of the book? I don;t wish to scan and recognize (header, footer, ...
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1answer
69 views

OCR and layer text in pdf

I want to OCR a pdf to make it searchable. Suppose you have a PDF document that was made using a scanner, or otherwise consists of image data but doesn't have text data. Such a PDF can't be ...
6
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7answers
3k views

Extracting text from a .PDF scanned book [closed]

I have a scanned a book in PDF format, but the quality is rather poor: (The language is Romanian and it's a medical physiology book, in case you were wondering) I want to extract text from the ...
0
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0answers
51 views

OCR for electrical circuits drawings

I would like to OCR an electrical circuit/layout drawing. These drawings contain the symbol/pattern of electrical components (resistor, cap, etc.) and their names written in two directions ...
0
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0answers
92 views

nike ocr twitter api rsvp software not working

I recently purchased an OCR program that reads through Nike's Twitter page and takes a circled word out of a picture and sends it back in a Twitter DM. However, it recently stopped working, probably ...
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1answer
512 views

In Onenote, how do I 'make text in image searchable' enabled by default?

Onenote has a great OCR feature where you can select an image and click 'make text in image searchable' - but I'd like this enabled by default for all images I paste into Onenote - is this possible? ...
2
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1answer
504 views

How to automatically find non-searchable PDFs

Suppose I have a directory full of many PDFs. In most of them, the text is completely search-able, which is the way I need them to be. But a few of them are just image scans, and they need to be ...
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2answers
75 views

I have some images of book pages want to convert it to text using OCR

Hello there I have book pages in images tiff format and I want to extract text from these pages into a text file but I am not getting the text as needed because the text in images is in cursive so it ...
8
votes
3answers
18k views

How can I identify fonts from an image?

Many times I come across bitmaps with nothing but text paragraphs, so I was looking for a way to identify the font used, the paragraph alignment, line spacing and color, bold, italics. Would an OCR ...
0
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1answer
299 views

How to improve quality of PDF text files on Mac [closed]

I have a text document in PDF format, 200 pages, which I need to edit. I thought about doing OCR, but the quality is not really great, and OCR does not work well. Then I wonder whether I could somehow ...
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0answers
81 views

OCR by setting font

I have some images which have fonts like Lucida Handwriting. Since those are cursive my OCR Software doesn't recognize them correctly. Is there a way to let the software to know that the fonts in ...
0
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2answers
689 views

Copy pdf text layer to another pdf

Suppose you've got 2 "scanned" pdf files. Large, but without text layer. Smaller (with lower quality images), but with correct text layer. Both files contain equal images, different only by their ...
3
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1answer
2k views

Training Tesseract-OCR for english language fonts

I have about 3000 small images of single words that I am trying to convert to text. I have installed tesseract on my windows 7 machine using the installer and successfully managed to OCR images ...
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1answer
158 views

Editing searchable .pdf OCR

My case is quite specific so I'll try to explain it quickly and precisely. I have to digitalize several old paper sheets of 230mm x 268mm (~ 9" x 27,7") folded in 4 parts; you can find a quick drawn ...
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1answer
542 views

Document scanning: How to speed up the software part of the scanning process? [closed]

I am looking for a solution to speed up my document scanning process, especially for those documents that are not suitable for a typical document scanner with an automatic document feeder (ADF). For ...
0
votes
3answers
4k views

Install tesseract ocr 3 on OSX

I am trying to install Tesseract OCR on OSX 10.6... I have got as far as installing leptonic (by downloading src from http://www.leptonica.org/download.html and installing with ./configure; make; ...
2
votes
1answer
160 views

How to analyze the space usage within pdf document?

I have this 7mb pdf that I made from 65 scanned B/W images. After OCR, the document becomes 32mb. I have never seen text taking up so much space. (in theory 25mb should give me 25 million letters ...
0
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2answers
283 views

Application or plugin for turning screenshots into searchable text?

It's a common practice in our company that people take screenshots of any software error situation they get into, and then they paste the screenshots in mail messages and/or Word documents that get ...
1
vote
1answer
226 views

How to search a PDF where text is just image?

A PDF needs to be searched for text but it is just an image so it's not aware of the characters. I've been trying to do OCR to the PDF but am not skilled in the programs required. I tried Foxit Reader ...
2
votes
1answer
109 views

Form recognition using OCR and return image of the value

I'm on a project that processes hundreds of forms. The forms have consistent formats but are filled out by hand by different people. I need a way to quickly process all of this data into electronic ...
1
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0answers
213 views

Applescript + pdfpen for ocr on multiple files: how to move on when pdfpen freezes

I'm using the following AppleScript to batch-process pdfs for ocr: tell application "Finder" set target_folder to target of front Finder window repeat with i from 1 to count (every folder of ...
1
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2answers
194 views

OCR solution for legal billing invoices [closed]

I have different kinds of legal billing invoices. I want to digitize them into Excel sheets. Since their layouts are different and there are a lot of them, I can't find a way to deal with them. Can ...
12
votes
5answers
13k views

Extract OCR text from Evernote

Evernote does OCR on the images you save to it. Is there a way to get the full text equivalent for an image in Evernote, or is the OCR only for searching?