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Questions tagged [text-recognition]

314 questions
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Looking for a little python machine learning advice

I'm interested in having a dabble with Python and machine learning/automatic data entry. However as my research has progressed I realise there are so many different techniques each with there own strengths. I've decided i might get further if i…
Dark
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Pre-process receipt image to identify text-area in receipt image before using tesseract-OCR to extract text

I'm using ImageMagick to pre-process the receipt image before using tesseract-OCR engine to extract texts. I've removed noise form the image using convert input.png -colorspace gray \ \( +clone -blur 0x2 \) +swap -compose divide -composite \ …
Sanjay Sharma
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Recognize hand written digits using Tesseract?

I have fetched this roll number section from the OMR sheet Now, my main task is to recognize handwritten digits and return the roll number value as text in Python. I tried using pytesseract. But, it is not giving proper results. Here is my sample…
Shivam Dogra
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Swift iOS - Vision framework text recognition and rectangles

I was trying to draw rectangles on the text area found using the Vision framework but they are always a little bit off. I am doing it like this: public func drawOccurrencesOnImage(_ occurrences: [CGRect], _ image: UIImage) -> UIImage? { …
Filip Z
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Google Cloud Vision not recognizing Tibetan Characters

Hi i want to recognize Tibetan text from image, but it extracts garbage text.. Is there a way to fix this issue? this is image i used to extract text on that
rajesh monogaran
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MLKIT Text recognition not getting all the numbers ( single digit ) from image

I am trying to get a sudoku board from an image using MLKIT Text Recognition but not all numbers are getting recognized. This is what it looks like I thought the lines may interfere with the detection so I removed all the lines ( using the 1st…
hypertensiune
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Text Orientation analysis before running Text Recognition API

For OCR project, I am trying to use MLKit Text Recognition API. No text extracted when image is rotated, only when it is in the up-right position. Modifying the sample provided here…
Alma
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Pytesseract image reading bugs out at the last half of text, every time

So im working on a nitro type bot and the simplest way that I could think of was a bot powered by text recognition. The bot takes the screen shots perfectly everytime, but more than half of the itme it has trouble reading the latter half of the…
History Project
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The text recognition of MLkIT does not recognize non-english text

I implemented the text recognition of MLkit on IOS but it could not recognize non-English text (e.x Arabic text). It works in English only. Here are the docs https://developers.google.com/ml-kit/vision/text-recognition/ios My code: let…
Mina Ayad
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How to OCR scanned voting protocols

As part of a hobby project I'm trying to digitalise all the voting records of the Swedish parliament to see if I can extract any interesting statistics (yes a strange hobby I know). From 1983 to 2001 the voting records look something like in the…
potmo
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How do I select text from a scanned photo?

I'm in the process of writing an app with which you can take a picture of a text and then the text is scanned and transferred to a variable. I've done that with the plugin firebase_ml_vision and everything works. The problem I have is that I want to…
SOS video
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Android ML Kit detection area

I downloaded the ML Kit sample code for Android and i'm having a hard time to go about setting a limited detection area for the live camera detection (I'm only interested in text recognition, i got rid of everything else). I need to limit the text…
F_Bass
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Looking for a way to convert SVG/Points to text (not OCR)

I have recently been playing around with a web app that allows the user to draw paths on an SVG using touch or a stylus (the idea is to make a simple note taking web app). Now I would like to add the ability to convert SVG Paths to text. So my…
Xajoc8
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How to calculate confidence score of OCR system?

I am working on an OCR project and I wonder how I can calculate the confidence score of my OCR system. I have digital multi meter images. There are some measurement results on the screens of devices in images. I want to recognize those values.…
Ugurcan
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iOS Vision framework text detection does not detect single digit numbers?

Using text detection inside iOS vision framework struggles to detect single digit numbers, it seems to detect certain digits fine but with others it will fail such as the number 1, 2 or 3 etc. I am just trying to highlight/extract the numbers in…
Luke Ireton
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