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How to extract a specific text from an image?

Image Processing: How do I read a cell phone screen and extract text from it?

  • The software and hardware required,the algorithm that can be used and the language that would be most suited for this application

  • Answer:

    Can you describe more what you mean by "read"?  Different OSes have APIs to access and/or capture the current display, but you have to be running on the device to do it.  If you're looking for hardware, I'm assuming you aren't going to put software on the phone itself.  If that's the case, a digital camera should be fine.  (You'll probably want to filter the captured image for keystoning and rotation.) To extract text (assuming you have a bitmap) you would use OCR software.  Tesseract is pretty good and OSS under the Apache License:  http://code.google.com/p/tesseract-ocr/

Pat Roberts at Quora Visit the source

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THIS ANSWER IS MAINLY FOR ANDROID. FOR THE iOS ANSWER, SCROLL DOWN... There are a lot of OCR websites out there but chances are, you already have the option in your phone .. To check if you do: go to your phone photo gallery (make sure it's not G+Photos), view the picture, press the menu button (or icon, depending on which phone you have), and from those options, click Detect Text. You may need to scroll down to see the option. Here is the Detect Text option on Samsung Galaxy S4 (Android 4.4.2 Touchwiz): *keep scrolling down for more info* ​ If your phone does not have that option, you can use apps like Google Goggles... FOR iOS, you can use apps like Text Grabber and ImageToText to solve this problem... Hope this helped. Want Answers from me for more information on phones and hacks and anything about phones...

Himmat Singh

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