Questions relating to Optical Character Recognition (ocr)

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2
votes
1answer
24 views

Pdfsandwich with tesseract OCR

I tried to add a textlayer to some pdf files in order to make them searchable. This technique is explained in the german Ubuntu wiki: http://wiki.ubuntuusers.de/pdfsandwich . After installing ...
0
votes
0answers
33 views

Is there an Ubuntu note app that allows printing to PDF similar to MS OneNote?

I am interested in uploading OCR capable documents to an application that allows me to easily scan or click from one file to another within a collection of finance papers, without needing to open each ...
1
vote
1answer
44 views

Abbyy fine reader like application for Ubuntu 13.04

I have a lot of images and what I want to do is to scan those images and get output in ms word file that can be edited later. For Windows, I have Abbyy fine reader. But I don't want to go back to ...
2
votes
1answer
98 views

Convertion of tiff image in Python script - OCR using tesseract

I want to convert a tiff image file to text document. My code perfectly as I expected to convert tiff images with usual font but its not working for french script font . My tiff image file contains ...
4
votes
1answer
114 views

How can instantaneously extract text from a screen area using OCR tools?

In Ubuntu 12.10, if I type gnome-screenshot -a | tesseract output it returns: ** Message: Unable to use GNOME Shell's builtin screenshot interface, resorting to fallback X11. How can I select a ...
1
vote
1answer
56 views

How to wildcard tesseract?

I want tesseract to convert all the files of a folder. I do not want to merge the files in any way as I am having trouble with programs like hocr2pdf and pdfbeads merging more than one file at a time. ...
2
votes
0answers
54 views

pdfbeads will only output a single page

Following the instructions from this page I take a djvu document, check it for any sign of corruption by opening it in djvulibre and it checks out fine. Copy it to my testing folder and rename it ...
0
votes
2answers
108 views

batch tesseract conversion

I am trying to OCR a book using tesseract however I do not want to type each individual page as it is a book near 1000 pages. How would I accomplish this I tried tesseract *.tif * which gives me this ...
1
vote
2answers
114 views

converting djvu to pdf trouble with this OCR preserving code

I want to convert djvu to pdf while preserving OCR. This page describes how to do so, but I am getting a blank html file. In /home/steven/Documents/djvu2pdf/1/, djvu2hocr -p 1 Intro.djvu gives me: ...
3
votes
1answer
171 views

How do I produce a multi-page sandwich pdf with hocr2pdf?

I used tesseract to produce the special html to use with hocr2pdf starting from a muti-page tif. I tried using hoc2pdf to produce a "sandwich pdf" (image + hidden text layer). Hocr2pdf produces a ...
0
votes
0answers
35 views

document management private users

i am searching for a document management system that supports: can bulk scan documents automatic OCR of scanned documents data storage on my local HD / external server of my choice automatic ...
8
votes
4answers
2k views

How do I edit text in a scanned .jpeg?

I need to upload a scanned image as a PDF document. After scanning the document, I have a .jpeg with small text that I want to edit before converting to PDF for the upload. I have never done this ...
7
votes
3answers
996 views

Adding OCR info to a PDF

I have a good quality scan of a document; such scan is in pdf format. How can I add ocr information to the pdf, so that it becomes searchable? By searchable I mean that the goal is that when viewing ...
0
votes
2answers
261 views

Error in installing GOCR

When I tried to install GOCR on Ubuntu Linux 11.10 I got the following readout in the terminal ??????????:~$ cd gocr-0.48; make install ./configure checking for gcc... gcc checking for C compiler ...
8
votes
1answer
2k views

How can I extract text from images?

How can I extract text from images? I am not talking about scanned files, but garden variety images, such as when you take a high-def picture of a blackboard at class, and it is nicely handwritten; ...
1
vote
0answers
421 views

Why is ocrodjvu not working while tesseract is? [closed]

I can use tesseract v3.01 successfully. For example $ tesseract toc.tif output -l chi_sim Tesseract Open Source OCR Engine v3.01 with Leptonica Page 1 Page 2 Page 3 Page 4 Page 5 But with ocrodjvu ...
1
vote
1answer
741 views

Tesseract and OCRopus

I was wondering what relations are between Tesseract and OCRopus? Is OCRopus a wrapper of Tesseract? Or are they now developing independently? What are some advantages of one over the other? ...
2
votes
0answers
282 views

How to add OCRed text to original pdf in gscan2pdf? [closed]

I am new to gscan2pdf 0.9.31, and just used it to OCR a scanned pdf. After saving the pdf, the OCRed text is stored on the top left corner. However I wish each OCRed character to be added to exactly ...
3
votes
1answer
2k views

How can I specify the language to be used by Tesseract when using OCRFeeder

I'm using the OCR-utility of OCRFeeder. OCRFeeder is using the tesseract-engine. I have installed the several language-packs needed for tesseract. How can I set the language such that tesseract will ...
15
votes
2answers
6k views

What's the best, simplest OCR solution?

I'd like to scan a good amount of papers I have lying around, with the least possible hassle. I would like to convert them to images using Simple Scan, then convert them to text using OCR. Is there a ...