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I am looking for ANPR/LPR (Automatic Number Plate Recognition/License Plate Recognition) SDK for android..Is there any SDK for Android?
i want to develop a license plate identification software for android , where users can scan a plate using phone camera and identify the number.
i tried some optical character recognition(OCR) engines like Tesseract, but the accuracy is so bad.
is there any method I can use but OCR ?
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A specialized camera generates an image of a license plate, which feeds into a software engine that identifies the characters on the plate and uses optical character recognition (OCR) techniques to convert the text into an electronic format.
Optical Character Recognition (OCR) is the last stage in an Automatic Number Plate Recognition System (ANPRs). In this stage the number plate characters on the number plate image are converted into encoded texts. In this paper, an Artificial Neural Network (ANN) based OCR algorithm for ANPR application is presented.
If the car exceeds the speed limit, you can analyze the license plate, apply OCR to it, and log the license plate number to a database. Such a system could help reduce speeding violations and create better neighborhood safety.
Check out OpenALPR (http://www.openalpr.com)
It's a C++ library that uses OpenCV and Tesseract. It should be possible to run this on Android via JNI.
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I too am working on ANPR's. I think just using an OCR might not help. The opensource project Javananpr helped me a lot to understand the challenges and how one can tackle them. I suggest you to read the documentation there and maybe it can give you some direction.
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answered Oct 09 '22 14:10
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