Questions tagged [text-recognition]
314 questions
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Tesseract.js not recognizing picture in an PWA App
I have a SAPUI5 web application I'm currently working on, the app requires an OCR feature.
The basic flow is:
Choose picture:
a) From gallery (PNG, JPG, JPEG, HEIF)
b) Take a picture (PNG, JPG, JPEG, HEIF)
Analyses the picture and returns the…

nick_cer
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Use R or Python to detect multiple languages in one column of a csv-file
I have a csv-file with one variable "comment" where the content can be in different languages. I now would like to create a new variable "language" that tells me which language is written in the mentioned variable "comment".
Any idea on how to…

Lars Gindele
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1
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1 answer
Error preloading model resource in Android Studio
I am trying to use Google's MLKit in Android Studio, but no matter which MLKit Vision app I'm trying to start, I keep getting the following error in my Logcat:
Error preloading model resource
com.google.mlkit.common.MlKitException: Waiting for the…

BLEB
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1 answer
How to get the coordinates of text on an image with Node.js?
I am trying to get the x and y coordinates of specific text on an image like this. On this image I am trying to detect where X:input Y:input is located which could be anywhere on future images. In this case I would expect it to be around 714, 164,…
user21203895
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vote
1 answer
Number text recognition not highlighting/recognizing text
I am following the apple phone number recognition sample. Normally it creates a red outline around the recognized text. Mine does not seem to do recognizing the text and creating the red outline even though I used their code. The only difference is…

Summer
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0 answers
Run multiple Google MLKit TextRecognition processes in parallel
I try to make multiple MLKit TextRecognition processes run in multiple threads with the code below:
private TextRecognizer client;
private Executor mExecutor = Executors.newFixedThreadPool(4);
private void init() {
TextRecognizerOptions build =…

wu jushan
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2 answers
Text to Math equation in Python
I'm writing now a pet project in which I want to draw a plot in the terminal window. The idea is that user print an equation, like x = y + 1, or 3 * x = y. The question is how can I transfer this string equation to an equation in Python.
For…

Serhei
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Android Over Image Selection Ocr Text
I have a question, firstly I am trying to do text recognition like ios/google lens.
Exm ios -> https://youtu.be/KOViYNOf6Nw?t=38
Exm android -> https://youtu.be/7PyC-OIz34o?t=30
I'm working on a custom view for this, but it's taking longer than I…

utku glsvn
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vote
2 answers
pytesseract: convert pictures of 7-segment numbers to text
I'm trying to convert pictures like this:
7-segment into text with pytesseract:
I tried different PSM modes and a whitelist with only 0123456789, but the best output of pytesseract was '5' instead of '125'.
Is there a way to configure pytesseract…

plexx1337
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1
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3 answers
Is there any OCR SDK for c++ builder?
I'd like to add character recognition functionality to my application that's why asking you what's the best available and affordable OCR SDK . I looked at ABBY FineReader Engine 10.0 but haven't got trial version yet as I requested from the official…

Suhrob Samiev
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1 answer
Android ML Kit: TextRecognizer without Google Play Services
I've got a requirement to utilize Text Recognition services on an offline Android device without Google Play Services. I had been following this guide from Google on how to get it working.
However, you will notice that the application will…

foxtrotuniform6969
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1 answer
Firebase Text Recognition
I tried firebase ml kit and got error this TypeError: (0 , _ml.default)(...).cloudDocumentTextRecognizerProcessImage is not a function
const onPressActionGallery = () => {
ImagePicker.openPicker({
cropping: true,
includeBase64:…

Khusni Ja'far
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1
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1 answer
Disable date actions in iOS WKWebView
I have a time slot picker web component on a page that is shown with WKWebView in an iOS app.
iOS recognises that the given text is a date an offers actions when you click on the date.
Is there any way to disable that? Either by changing the HTML…

Ion
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2 answers
Finding bounding box of text within JPG image
My question is similar to this one, but is more specific in scope.
In my card game application, I would like for users to be able to click on words located in a scanned jpeg image. Please see this sample Pokemon trading card.
In this case, the user…

Stephen Lam
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0 answers
Using Cloud Vision for live feed camera text detection
So im trying to use cloud vision to detect text from live feed webcam input, but the delay was astonishing, about 6-7s delay for a single frame.
Is there any way to speed up that process?

Minh Nguyễn
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