I love the AForge framework from Andrew Kirillov so it made sense to use it because Microsoft just released the Raspberry Pi support in Visual Studio C#.

Right now I am still in doubt weather I will use Mono or .Net but is clear to me that I will use C# instead of Python. I can use some advices and feedback on this matter.

The code just makes a difference filter between an original empty board image:

and an image containing the robot (made using GIMP):

and returns an image containing the resulted edges:

Code can be found here:

https://github.com/strofos/grigore/tree/master/SOFTWARE - Board/Test01 - Detection using AForge