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Questions tagged [text-recognition]

314 questions
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How to not generate Instance IDs with Firebase on-device text recognition?

I want to use the ML Kit for Firebase to recognize text on iOS devices. I don't want to collect data and process personal data, so I don't use cloud-based models, only on-device models. The Firebase documentation, "Privacy and Security in Firebase"…
shinjism
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Pytesseract is failing with PermissionError: [WinError 5] Access is denied due to undeletable file

I Installed the 64bit version from https://github.com/UB-Mannheim/tesseract/wiki then pip install pytesseract cv2 didn't cause any issues My code: import cv2 import pytesseract pytesseract.pytesseract.tesseract_cmd=r"C:\Program…
Nicolai Sergeev
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Text Recognizer from image to find the date

In my app I need a help to find the date from image using Text Recognizer. But in image the date can be in any format such as: dd/mm/yyyy, dd-mm-yyyy, dd mm yyyy, dd mmm yyyy, dd-mmm-yyyy, dd/mmm/yyyy etc. Dependencies: implementation…
Atul Dhanuka
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Google Mobile Vision ocrlib.so file downloading error

I am using Google Mobile Vision TextRecogniser API in my application to read text from a captured image. But I am getting below error every time. I/Vision: Request download for engine ocr is a no-op because rate limiting I/Vision: Loading library…
Suren
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Tesseract-OCR, Python, Computer Vision

I want to train tesseract for my own new fonts but I am not finding any way to do it. I have trouble in creating box files from images. I am new to programming languages and some one told me about LabelImg but it is not useful for tesseract…
Anant Patankar
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How to change color of Rects instantly when touched?

I'm working in an app that uses the ml kit text recognition library; The app reads text from images and puts a Rect around every word. Now I want these Rects to change color when the user tap on one of them or swipe above some words. So, I was able…
Ziad H.
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Recognize text and draw a rectangle over text on camera preview

In Camera preview i want to detect text & draw a rectangle overlay on Paragraph/complete text similar to camScanner. I have used opencv Library but in this i am able to detect object but not able to draw a border/rectangle over complete visible…
Geeta Gupta
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What is more efficient for card recognition? Text and small image or image of the entire card?

I want to create a Keras/TF model to recognise Magic the Gathering Cards. The cards could be in different languages. Does it make more sense to recognise the card name on top and the edition of the card, or just the artwork and edition? What is more…
c111
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FirebaseTextRecognition with multiple Textview

I'm learning how to use FirebaseVisionTextRecognizer, is't possible to insert few blocks of text to multiple TextView? The link is where I'm getting started and learning. It worked and is displaying all text into 1 Textview. Then what if image has…
Arduino
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Detecting text with Google Vision API ignores some characters

I'm using Google Vision API to recognize text from an image. It works usually fine but if the text contains closing curly braces } it is almost always ignored. There is no problem with the opening curly braces { on the same image. For example the…
Vmxes
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How to make multiple images from one statement?

I'm using openCV and EAST to do text detection. Once I've detected the areas with text, I want to crop them into multiple images. How do i crop them? for (startX, startY, endX, endY) in boxes: # scale the bounding box coordinates based on the…
Nash
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How to use google cloud vision along with unity for recognising text using mobile camera?

I am testing on a project on how to read text from objects and pictures using google cloud vision.Using mobile camera(iphone,ipad preferably or android phones)I would like to get the required text.Samsung bixby application is an example.After some…
zyonneo
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Inconsistency when using Sikuli to recognize text

I'm using Sikuli to create automated tests for an application. Text recognition is sometimes inconsistent so I have to use screen captures instead of text. While trying to find a solution I found out that if I obtain the text in a specific region I…
Juan Antonio Rodríguez Gabriel
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Real-time text recognition (OCR) using DJI Drone

I’m working in a project that I need to do a real-time recognition of text using OCR (in this case I’m trying to use the text recognizer by google) with a DJI drone and an android mobile. So I get the sample of DJI SDK “video stream decoding sample”…
Renato Souza
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How to detect ¥ yen symbol in Firebase Google cloud OCR text recognition?

I am using Firebase Google cloud text recognition OCR. Where I am scanning text and currency. In this case I am easily able to scan text however, some symbols such as yen ¥ is not detected. I am scanning text with firebase google cloud ocr API…
Apeksha Patil
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