Questions tagged [ocr]

Questions relating to optical character recognition (OCR) software.

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1answer
93 views

Mobile Zonal OCR document scanner in offline

I am looking for a mobile sdk which can be capture and process a document using zonal OCR, would return a value which is part of a predefined area in an document in offline. I have gone through some ...
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0answers
25 views

Self-hosted OCR

I am looking for self-hosted OCR software. Requirements: Optical character recognition on images Not just documents but also natural-scene-images Linux Support List item Examples: https://ocr.space/...
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2answers
163 views

Linux desktop search tool that OCRs PDF/TIFF files

I need a Linux GUI application in which I can search my home folder for all of documents that contain a particular word/sentence. Obviously, it must work with text files. It must also work with MS ...
4
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1answer
90 views

High-accuracy digit OCR from a mobile screen shot

Question Is there an OCR solution that would run natively on a recent iPhone with better accuracy than Tesseract? It need only recognize enough to recover dollar amounts. Objective To scrape a ...
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1answer
92 views

OCR Medical Report / Electronic Health Record Scanning Software

I want to collect data from a longitudinal medical study. This means several tens of thousands of physical documents, that can contain printed text, handwritten annotations, checkboxes, anatomical ...
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3answers
54 views

Looking for a OCR Library in WinForm

Is there any free/paid OCR library that able to capture the invoices data in PDF format? Need to have a low error rate. We need to take those data and do some further processing.
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2answers
40 views

Which software to use for PDF scanning that can extract information and send to an invoiceprogram?

I'm working as an intern at a company where they need accurate scanning of invoices that comes in PDF-forms. The program, or java-library, needs to be able to extract certain parts of the invoice so ...
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1answer
52 views

.NET library for scanning documents to searchable PDF's (with barcode support)

I have a requirement to develop an application that can scan documents and produce searchable PDF's that can be previewed from a desktop application (e.g. WPF) or a web browser. Also ability to scan a ...
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1answer
30 views

Application to recognize text in PDF files and images(OCR) for Windows

The problem: PDF files and images from a scanned paper document contain text that cannot be copied or edited. However, manual typing is not possible due to the size of the document and the high time ...
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1answer
49 views

Lossless image compression using optical character recognition ocr?

I have lots of high quality, high resolution black and white raster images of scanned text with a minimal amount of noise, around 6 Gigapixels or 500 pages per document. They use too much disk space ...
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8 views

What Python library would you recommend for automatic detecting and reading of numbers on a map?

For my PhD-research, I have to collect data on bathymetry from the Gulf of Guayaquil. I have found jpg's of maps which show a pattern of numbers representing the bathymetry at certain locations. As ...
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1answer
29 views

Is there such a thing as OCR for detecting form fields?

Trying to automate a system here, either through off-the-shelf or roll-your-own solutions: how to take a PDF form (e.g. membership, taxes, etc.) and detect fields? Preferably along withe the label(s), ...
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12 views

Text recognition (OCR) for screenshots

I find text recognition (OCR) has gotten quite well for scanned papers. Such software needs to deal with tilting, noise, dust and dirt, but the high resolution of the scans (150 dpi or more) seems to ...
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4answers
464 views

Fastest way to batch/mass convert PDFs to searchable text? (thousands)

I was wondering if anyone has any software recommendations to mass OCR about 1000 PDF files. It could be; converting to text, to word Doc or making the PDF searchable. I just need an efficient way to ...
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0answers
19 views

Tool to search text or content inside images in Windows 10

I had seen this answer. Agent Ransack is used to search inside the files. Such as pdf, txt, doc and etc. But I have many images with texts, I want to search the keywords inside the images too. There ...
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15 views

Looking for software that allows me to look for a logo inside a group of images

I have between 60,000 and 100,000 images and 1.5% of them contain a specific logo. This logo is not always depicted in the same size or orientation. Is there a freeware program for Windows that would ...
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1answer
35 views

Gratis Windows OCR software

I have some PDFs which contain scans of print - as images. Some are books with or without illustrations, some are comics with mixed text & graphics (all are long out of copyright). Is there some ...
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0answers
13 views

What tools do I need to make realtime ocr app with python?

I am looking for some information about performing OCR in realtime, using e.g. laptop built-in webcam, with python. Can you please tell me how to start? Which libraries are best for that? Is it ...
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0answers
4 views

software for mac with which you can copy text from video (like Snagit)

is there a software for free out there with the possibility to copy text from a movie like snagit?
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0answers
11 views

Solutions for automatically extracting numbers in a PDF and pasting into another program

Using Windows 7. There are a lot of programs that OCR PDFs into text. But I'd like to do more. I'd like some software that will automatically select specific text and then automatically paste it ...
15
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2answers
366 views

Document scanning software with OCR that takes advantage of multiple CPUs

At the moment I use the software that came with my CanoScan flatbed scanners. My major complaint about the bundled software: no possibility to define scan profiles, too slow (not capable of using ...
4
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0answers
82 views

iOS app to scan and recognize receipts

We have an older neat receipts scanner that is starting to fail. One of the problems I've had with Neat Receipts is that the software isn't magical enough. Seems to me that you should be able to ...
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0answers
11 views

Automatically sort/OCR images in a folder Mac, for personal use

What I'm looking for: A image/document manager thats easy to install and maintain for personal use on a Mac/OSX. The Problem: Like many, I have a whole bunch of image/media files- JPG, videos, PDF in ...
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0answers
13 views

Convert diagrams to graph data

There are some publicly available PDFs and image files of diagrams showing UK rail track layout (basically flow charts), which I want to parse to something more computer-friendly (a database perhaps, ...
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0answers
29 views

Software or services to extract data from already-filled IRS 1040 tax form PDF

Looking for software or services that will take as input already-completed 1040 return PDF files (ideally with full schedules etc) and output the numerical values taken from the return. What software ...
7
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1answer
433 views

Open source Hebrew OCR

Is there any good free Hebrew OCR for Linux? Hocr doesn't count, as it's off such poor quality. I send computer generated text (not scanned, just saved as a gif) through it and it can't pick up ...
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0answers
8 views

What can recognise handwritten check marks and notes on a survey questionnaire?

I have some questionnaires that are manually filled. Its couple of multiple choice questions & one of the MCQ has a comment section. People have just scratched (big & small ticks, crossing, ...
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1answer
230 views

Software to convert pictures of lectures from a blackboard to text

Most of my subjects allows taking a picture of our lecture from a blackboard, because of this I took advantage of it and take a picture of all the lectures that we have. Yesterday my professor said ...
18
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3answers
7k views

Android app to convert handwritten math equations to LaTeX code

I found some programs to convert handwritten math equations into latex code such as: MyScript Mathpad (only iOS) InLage (only Windows) But I didn't find any app for android. Is there any app for ...
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0answers
16 views

OCR software with automatic translation

I'm looking for an application that will allow me to swiftly select a portion of my screen, (like the snipping tool does) preferably by hotkey, and then return me the text translated to English. ...
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0answers
24 views

Searching for OCR that works well with non Latin characters(mainly Hebrew and Arabic)

Is there any good Hebrew OCR API/library (preferably free but not necessary) the text is printed so no need for hand-writing An Example for an image I want to parse The Program language is non-...
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1answer
35 views

Looking for a library that extracts text from images

The basic description for what I'm looking for is something that can extract text (written by hand) from an image and return it as a plain character stream, without any page processing. More ...
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2answers
37 views

Tools to read human written text from a scanned page

What would be the best/most accurate way to read human writing from a scanned document and convert it into text?
66
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11answers
34k views

Free OCR software that makes a PDF searchable (with searchable text at the right place)

Is there any freeware OCR software (for Linux and/or Windows) that can take a PDF scanned document as input and output a Searchable PDF like Adobe Acrobat does? With searchable PDF I meant that the ...
4
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2answers
2k views

Java OCR library

I'm looking for some open optical character recognition (OCR) raw libraries that I can use to create a Java application that compares them. Anywhere I search I find just applications to OCR.
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0answers
83 views

Software for manual PDF OCR

Is there a software where you can import or directly scan pictures and manually add searchable keywords to it? The use case would by scanning handwritten notes and then labeling the headings, such ...
3
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1answer
637 views

Python & PDF parsing: any modern, powerful, well-maintained open-source libraries out there?

I'm looking for well-maintained and well-documented powerful PDF parsing libraries for Python (mainly to extract and parse data from various types of PDFs with different/unpredictable structures, ...
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0answers
57 views

Optical Music Recognition using neural networks

A friend is transcribing a lot of handwritten music scores into Lilypond and I went looking for a better way. It would need 90-95% accuracy so the full process with verification and manual corrections ...
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0answers
9 views

Ready-made Python library for edge detection + warp transform for OCR purpose?

I'm looking to do something like this, basically from an image, find edge of the paper, and transform it so that it becomes rectangle and more readable... similar to phone scanner apps. I intend to ...
4
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3answers
2k views

Software to batch OCR multiple image files to multiple text files using Tesseract?

I am currently using tesseract to OCR some jpeg files to txt files (Ubuntu 16.04). Typically this is ~500 files in one directory. I know I can do this by making a text file with all the file names (...
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0answers
11 views

Is there a tool to optically extract a valid UML from the Image of a UML ? (objects, relationships, etc.)

I was searching for this too. I found mention of three tools but none seem available for public use or downloadable : 1- IMG2UML : https://www.researchgate.net/publication/...
13
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2answers
1k views

Are there other products than Adobe's that support ClearScan or similiar?

Starting with Acrobat 9, Adobe engineers added a new flavor of OCR called ClearScan. The advantages of the ClearScan over Searchable Image OCR are both in size and clarity. The biggest innovation ...
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0answers
6 views

Machine learning in data extraction

Are there any tools that have “self leaning and auto transformation” capability whereby we can interrogate a client-provided file in it’s native format, identify key data elements, and pull pertinent ...
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0answers
5 views

Tools that can do AI based document-data-extraction

I have a requirement for an “auto transformation” capability whereby we can interrogate a client-provided file in it’s native format, identify key data elements, and pull pertinent content into a ...
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0answers
35 views

CamScanner alternative? [Android]

Recently CamScanner has become annoying with ads and popups. So looking for an alternative document scanner on Android, hopefully with these features: Anti-shake (what I really liked on CamScanner: ...
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0answers
23 views

Open Source Libraries for OCR which gives output files as text, pdf, excel, vcf format

I am looking for an cross platform ocr library and my requirement is to parse the scanned images and extract the text in to txt,pdf,xls and vcf format files. I have used tesseract ocr to extract the ...
4
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1answer
260 views

OCR Resume Scanning Software

Is there a good software option to take physical resumes, at say a job fair, and scan them using OCR technology, which will then enter the scanned and readable resumes into an accompanied resume ...
2
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1answer
544 views

Free OCR command line application for Windows that can add invisible-text layer to PDF?

I have seen other similar posts, but none with these specific requests: OCR application that can be run from the command line Windows native application Accepts multipage PDF inputs Can create a PDF ...
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3answers
623 views

JavaScript library for OCR

My product manager just asked me for at OCR text recognition operation to be used with the hybrid application i've been developing. I have been looking at tesseract, Ocrad, and some other alternatives,...
3
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2answers
60 views

rough comparison of files

I want to compare two editions of one book. The book is very long and the editions are close but not identical. I have extracted the texts with OCR. The obtained text-files have mistakes and many ...