Image processing in C# , What library?

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Hello everybody...
I'm looking for a good library and actually easy to use, for image processing in C#.net. I have a video and there is a something like a circle in it and i want to measure its diameter...
So what's the best and easy to use library to use in C#.net?????
Thanks anyway :D

Posted 31-Jan-12 8:17am

alizadeh91

Updated 31-Jan-12 8:24am

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Sergey Alexandrovich Kryukov 31-Jan-12 14:22pm

Do you have a preference for UI library: WPF, Forms, anything else? The solutions can be different. Tag it.
--SA

alizadeh91 31-Jan-12 14:23pm

Yes , it must be forms

Sergey Alexandrovich Kryukov 31-Jan-12 14:56pm

In a way, it's easier, because more libraries still work with Forms. Thanks for tagging it.
--SA

Sergey Alexandrovich Kryukov 31-Jan-12 14:58pm

OK, please see my answer.
Hope you will agree it's reasonable and accept it formally (green button) :-)
--SA

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Sergey Alexandrovich Kryukov · Accepted Answer · 2012-01-31T08:34:00

First of all, you should ask yourself if you want to make it compatible with the UI library you are already using or you are willing to select you UI library based on the choice of the image recognition software. In principle, image recognitions software can be abstracted from UI, but in practice some libraries make some dependencies.

This is because WPF based on DirectX and System.Windows.Forms based on GDI+ are very different. There are the inter-operation modules between them though.

Now, what you want is not "image processing" library, this is "image recognition" or "machine vision". There are a number of libraries which are proprietary and pretty expensive. There are some Open Source solutions as well.

First to look at is AForge.NET, see http://en.wikipedia.org/wiki/AForge.NET[^], http://www.aforgenet.com/[^].

Also look at the following libraries:

OpenCV, http://en.wikipedia.org/wiki/OpenCV[^], http://opencv.willowgarage.com/wiki/[^],

VXL, http://en.wikipedia.org/wiki/VXL[^], http://vxl.sourceforge.net/[^].

See also the articles by the author of AForge.NET, CodeProject member Andrew Kirillov: http://www.codeproject.com/Members/Andrew-Kirillov[^]. Another CodeProject member to look at is Chesnokov Yuriy, http://www.codeproject.com/Members/Chesnokov-Yuriy[^].

—SA