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Questions tagged [text-recognition]

314 questions
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Turkish character recognition using Tesseract-OCR and OpenCV

I am trying to detect text part of an image(jpg file) using Tesseract-OCR and OpenCV in Python. The text part of the imageis Turkish, therefore I am using 'Turkish trained data (tur)' which is in Tesseract-OCR file. I have applied dilation and…
Gülşah Ayhan
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Scanning a driver's license with Card.io

I'm trying to make an app to scan a drivers licence, so far I found out that card.io can scan your credit card. I checked it out and it does a very good job at text recognition. But if I have to use it, I will need to change how it scans the card.…
Jonas Larsen
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Improve OCR accuracy from scanned documents

I'm scanning a lot of A3 documents using a standard Brother A3 Multifunction and then use FineReader Pro for OCR'ing the images. However, I'm getting a lot of errors in the characters recognized, and lots of non-alphanumeric strange characters.…
Panagiotis Panagi
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OCR, tesseract.js: How do I match values to labels?

I'm using tesseract.js to get text from a W2 form. I'm having trouble trying to figure out how I could get match up the values of the form to the labels. Like How can I match up the label 'employee social security number' with the value social…
jackjoesmith
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Mobile Vision fails to detect numbers only

Mobile Vision on Android works great on many texts with large enough font size. However, when a paper full of printed numbers scanned(like image below), it shows nothing. I know it's a text recognizer, so tried to add few words around those large…
eden
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Extracting text from PNG image in Vb.net 2010 express

I have a small PNG image and I need to extract text from it. I tried using tesseract, googled many yes to find a way for it, But nothing worked. How can I extract text from PNG image? I am using Vb 2010 express.
Lokesh Kumar
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How to Read Text From Bounding Box using Java With OpenCV

I am working on Handwritten Form Recognition System, till now i have reached to this step where,i have been able to detect text using java with openCV but now i want to read the text from each of these bounding boxes Click to open image I have…
Abhishek Pawar
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ABBYY OCR library recognition only number IOS?

I am creating number recognization in ios on real time. I have found one ABBYY OCR library This is very good and fast but this is recognization both text and number but I want to only number recognization. Please help me. how can I do this?. From…
Nishant Chandwani
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TextRecognizer isOperational API always returns false

I need to capture characters of an image so i am using TextRecognizer. My code is given below TextRecognizer textRecognizer = new TextRecognizer.Builder(mActivity.getGalleryApplication().getAndroidContext()).build(); if…
shilpa
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Not able to create frame using bitmap of image view?

I am implementing the google textrecognizer which only detects frames. I am trying to build the frame using bitmap of my image in imageview, it doesnt work. But if I build frame using bitmap of drawable folder image, then it works. How can I convert…
Sweta
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TensorFlow - Specific digit recognition in an image (SVHN like)

I am trying to build a classifier using TensorFlow to recognize a specific part of a text in a neural net. I was inspired by the SVHN project to recognize the clock in soccer pictures. During the entire project, I am only focused on the clock only.…
A. Attia
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Google mobile vision api camera source dim frames

I am trying to follow google codelabs about vision apis such as barcode and text detection; but i noticed that the camera preview is offering dim frames , i played a little bit and made a greater frame sizes but seems like the auto focus is not…
Altaiir
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How to match uiimage orientation to text in the image

After taking a photo of a document, I use CIDetector to auto crop the image, this works fine. But the image is rarely correctly oriented when I want to display it in a uiimageview. I know how to rotate it manually, but I want to be able to recognize…
Bjørn Ruthberg
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get separate image of each detected letter

I have written this matlab code (given below) for detecting text from an image. This code is detecting the text from the image, but now I want to create an output image for each detected letter from the image. Please tell how can I do that? Code: i…
Sajal Ali
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Where can I get server side api for OCR ( Optical character Recognition)?

Sorry if this question is silly or vague but I have been given the task to get ocr implemented at server side during my internship. Where can I get the suitable api to integrate it with my company's site. I have tried using the microsoft vision api…
Learner
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