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Questions tagged [text-recognition]

314 questions
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How to recognize digits from the analog counter?

I'm trying to read the following kWh numbers from the counter. The problem is the tesseract OCR doesn't recognize the analog digits. The question is: will it be a better idea to make the photos of all of the digits (from 0 to 9) at different…
denis631
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approach to solve two char column scramble of a text

I have a paragraph of text scrambled by columns of two chars. The purpose of my assignment is to unscramble it: |de| | f|Cl|nf|ed|au| i|ti| |ma|ha|or|nn|ou| S|on|nd|on| |ry| |is|th|is| b|eo|as| | |f |wh| o|ic| t|, | |he|h | |ab| …
NotGaeL
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How to detect non-contiguous symbols using CV2?

I have a grayscale image of printed text. I want to extract every individual character from the image so that I can save them as discrete images. I don't want to recognise what the character is, I just want each glyph as a separate file. I'm using…
Terence Eden
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MlKitAnalyzer for Android CameraX is slow for text-recognition

I am implementing the new MlKitAnalalyzer based on the description and links of CameraX 1.2 found here. Following the example I made an analyzer for Barcode scanning, and this works very well. But if I try to implement a text-scanner with…
Gober
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Python EasyOCR Is Taking Too Long To Just Get Started And It Shows Some Progress Percentages Alo

I'm building a desktop app in python which allows the user to take screenshots of the screen and read text in the image. I'm using EasyOCR for that, but the problem is that whenever I pass the image to EasyOCR, my idle/terminal shows some download…
Syed_Hamza_Akbar_Ali
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Cannot copy from a TensorFlowLite tensor (StatefulPartitionedCall:0) with 10368 bytes to a Java Buffer with 324 bytes

I'm trying to make a handwritten text recognition android application on android studio. I converted my model into tensorflow lite and then uploaded that file in my application. Below Im sharing the code for the same... There are many log statements…
Ayush Singh
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How to customise AWS Textract?

So far my Textract tests are very impressive for handwriting, but I see sometimes it fails to recognise some forms and some values. Is it possible to train it? If I'm scanning the same type of form/document it will be very useful to amend the…
Syed Kounain Abbas Rizvi
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Android: locating words on the screen. Google ML Kit bounding boxes are off a bit

I'm trying to find a certain words on the phone screen, and then display a bounding box around them if they are present. I follow these steps: Capture entire screen contents (with MediaProjection API). Pass this screenshot to a TextRecognizer…
Gtomika
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Improving the accuracy of text recognition when using iOS Vision Framework to scan a document

I am trying to build a document scanner that is able to read text off of any document/card. However, it sometimes has trouble identifying text correctly off of a credit card. The accuracy is decent, but there is definitely room for improvement. I…
Pranet
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Best usage of CameraX for MLKit Text Recognition on Android

I need to implement text recognition using MLKit on Android and I have decided to use the new CameraX api as the camera lib. I am struggling with the correct "pipeline" of classes or data flow of the image because CameraX is quite new and not many…
Billda
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How to resolve duplicate class exception caused by com.google.firebase:firebase-ml-vision:24.0.0

While setting up the Text Recognizer for MLKit on Android for a react-native project (following this tutorial: https://firebase.google.com/docs/ml-kit/android/recognize-text?authuser=0) I face an exception when launching the application with the…
Alec White
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How to Text Recognize only detect inside overlay camera not all of camera size

I want to make ocr application that can recognize text, but I just want to detect text only inside rectangle. public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for…
ad1
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Anchor text detected by google OCR using ARcore

I am wondering how can I use the Google text recognition (OCR) with ARCore? When I use the OCR sample to put some text above the detected text? It is jumping around as images are coming in. However I would like to anchor it to the text so when the…
Snake
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Text Recognition not accurate on Android device using camera and Firebase ML Kit

I am using Firebase ML Kit on Android device for text recognition using a camera without clicking image. I am using it by receiving frames and getting bitmaps from the frames. Then passing the Bitmaps into the Text Recognition method. But the text…
AroshiS
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How to deskew and recognise short text in an image

I am working on a text recognition project which needs to detect and recognise text from the image. There are two short lines text in the image (320px * 320 px). The first line is the abbreviation of country code. The second line is the dialling…
Hank
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