How to convert image to number
I want to convert an image DataURL into a number on javascript for my chrome extension
The images look like this 
In Python, it is possible with pytesser or pytesseract but i don't know how do that with javascript (and JQuery) only. There are some libraries that can help me solve this problem or should I do through ajax and call Python script on a server? I think it is not possible to call the Python code directly from a chrome extension.
Thanks!
I believe OCR is needed, and obvioulsy pytesseract is just an OCR tool. You could use some JavaScript version OCR library instead, by simply google search, I found this one (I have never used it before).
Or as you said, you could also put your OCR logic at your server side with python implementation, just make an ajax call to query the result.
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