Image processing and extraction of characters

Question

I\'m trying to figure out what technologies I would need to process images for characters.

Specifically, in this example, I need to extract the hashtag that is circ

Answer 1

You can check this article : http://www.codeproject.com/Articles/196168/Contour-Analysis-for-Image-Recognition-in-C

It comes with math theory and implementation on C# (unfortunately, but there not that much to rewrite if you decide to implement it in java ) + opencv. So you will have to use Visual Studio and rebuild against your opencv version if you would like to test it, but it worth it.