Questions tagged [ocr]

Use this tag when asking questions relating to optical character recognition software.

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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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53 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 ...
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11 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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1answer
35 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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6 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 ...
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Doocr support which image datatype ? byte[] or binary

Hi i want to perform doocr on image and store in mongodb. I have doubt about which data type to use binary or byte. Many of sample source they use binary but in my case for perform doocr[image to text]...
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9 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/...
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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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4 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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31 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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2answers
26 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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20 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 ...
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8 views

OCR reader for batch of images

I have a batch of screenshots from my favourite radio station, Primoridal Radio on my android phone. These images are saved in google photos. These contain the name of the song and artist. note: ...
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11 views

Extracting digits from an image and processing them

I work in a biology lab. Whenever we go out on the field, we start collecting data on notepads using some form of writing utensil. It's usually a large matrix I fill up with numbers. Probably the most ...
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3 views

Softwear to detect vertex of cells on grid table for java

I wonder which library or softwear is proper to detecting vertex of cells on grid table image. Please refer to the picture below. I want to know each position (x,y or value for distinguish each cells)....
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1answer
160 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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12 views

Open-source multilingual OCR/ICR library?

I am looking for an open-source multi-lingual OCR/ICR library. This is intended for use in low-resourced and low-connectivity environments, primarily with form-based data. Primary languages are ...
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17 views

What OCR can i use to extract text from images for multiple languages (all European languages)? Open source software is preferred

Input is in image format(.jpg and .png) and output is in text format. Preferred language for coding is python.
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11 views

Document scanning and evaluation framework

Is there any open source or proprietary solution that helps scanning documents, evaluate them and store the results in a database? Scanning: Scan documents into an image or pdf file. The documents I ...
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26 views

Python library to remove handwritten signature

I'm looking for a recommendation for Python libraries to remove handwritten signatures from a document. My use case: document has a number of fields with typed text and one with a handwritten ...
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1answer
17 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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1answer
27 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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89 views

Free API for handwritten OCR (Optical Character Recognition)

I wanted to know if there are any free APIs available for text recognition from a handwritten document. I looked in Google Vision API, Microsoft Cognitive API but all of the above are paid. So is it ...
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1answer
25 views

Which software or API is best for extracting information from PDF and save to excel?

In my project there are lots of use of purchase order and sales order. So, I have to enter data manually. So, is there any software and API of project that directly take PDF and give output in excel ...
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10 views

OCR with data recognition and organization

I have tons of pictures of patient exams documents of which I need to extract the patient number and exam type and write it into and excel sheet, but this process is very time consuming, is there any ...
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5 views

Software that automatically deletes all text from photos

I am looking for software, preferably for Linux (Windows if no other choice) that can automatically identify and then remove(delete) all text from photos.
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18 views

I am looking for adobe acrobat pro alternative with OCR support?

I'm looking for a free software that has a similar OCR feature to that of adobe acrobat pro, so that I can convert a PDF with embedded fonts into a searchable PDF.
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49 views

Extracting user details from Driver's Licenses Image file as key,value pairs

User will upload front side image of US drivers license(png,jpg,pdf) on java web application. I have to extract the driver license number,date of birth, expiry date of license, issue date of license ...
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Should I use the Google Vision API or an OCR package from npm?

I'm just wondering what the best option is for my project: A mobile app that rates how healthy a user's food is. It works by looking at the image the user took for text detection. I'm fairly new to ...
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4answers
86 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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1answer
23 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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9 views

Software to raise the definition of text in a bitmap image

I have a screenshot taken from facebook and if it prints blurred because the DPI resolution of the monitor is very low compared to the printer resolution. I'm looking for a software which can upscale ...
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11 views

Looking for a software to rename pdf's using OCR content

I scan all my files into a scanner folder, they get the name "Scan001;Scan002;Scan003" ...you get the idea. Then after couple months i have to stop for a day or something, go one by one and check ...
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19 views

OCR Software with Filename

I have a project in which we need to scan a lot of documents. Currently, I´m using Kodak Alaris Capture Pro, but it´s quite expensive Basically, the OCR software identifying the ID Number from each ...
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36 views

Linux OCR for handwritten, colored backgrounds, math, columns, tables

In my application I want to build one optical character recognition system which can extract characters from image and input it into text file ? Till now I have used pytesseract and OpenCV for this ...
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35 views

PDF Software - Open Source or Commercial

What is the best open source or commercial to do the following? PDF OCR to recognize Tamil Text Batch processing of any task Save booklet pdf to single page sequential pdf Save the single page ...
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21 views

Pre processing method for images before passing to OCR

I want to find a generalized method that can help me improve accuracy of OCR output. I have tried several methods in OpenCV i.e binary thersholding, adaptive thresholding, blurring, closing etc. After ...
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19 views

OCR for LCD Display (must deal light and shadows zones)

I see that most people use OCR for documents and license plates. I need to solve a problem using OCR to recognize characters (numbers) in a LCD display and transform into text (after that put that ...
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1answer
33 views

I need tools to build boat license plate Recognition [ image processing ]

My Requirement Need to bulid License Plate Recognition from Boat Like my Src Video : https://www.youtube.com/watch?v=DzpZ-kNFMtw can you help me... please
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9 views

Handwriting Recognition for Tablet Form Controls

I know there are many handwriting recognition applications, however, I would like to know if there is one that actually intercepts form input controls, (text inputs, text areas), to allow hand written ...
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29 views

OCR Deep Learning Software

I have a question about a possible software solution for a problem. I work in a very busy psychiatric private practice that handles large amounts of paperwork. We would like to create a more efficient ...
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1answer
42 views

Text Recognition API

I am working on dictionary App for Android and iOS. Where I want to have feature like place the camera on word and app will recognize the word and will show the meaning of that word. For example or ...
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1answer
56 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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2answers
65 views

Software or method to batch invert b/w images

I have directories of 100-500 small black & white image files (jpg) that I need to batch invert, from white text on black to black text on white. They will then be input to tesseract-ocr. I am ...
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25 views

Camera OCR as input method for Android

Perhaps as an alternate keyboard, or some kind of floating button, expose a quick & ready method to begin inputting text into current active cursor from an OCR scan from the camera. There would ...
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3answers
781 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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41 views

Is there an OCR solution for monospace text that preserves indentation and number or spaces (such as in source code)?

I have a pile of printed out source code and need to convert it into ascii-files. I believe, I should be able to do this with OCR, however, as far as I can see, they don't preserve neither amount of ...
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65 views

Linux equivalent to Adobe ClearScan

This question was asked here, but the suggested software, [smoothscan][2], seems to be abandoned (latest commit is dated 2013, 5 years ago). The other solution, any2djvu, needs to run through a web ...
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1answer
26 views

OCR software with special features

I'm looking for the best solution to get information out of +- 90.000 images which have similar markup. An online example I found which is similiar to my cases: http://www.fiteyes.com/sites/fiteyes....
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1answer
77 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 ...