Image Outlining Effect in .NET

Question

I'm looking to accomplish the following effect in C#:

Any ideas would be much appreciated.

Answer 1

Looks like a fairly standard edge detection algorithm. Wikipedia has some info on that. There are quite a few algorithms:

• Canny edge detector
• Sobel operator
• Roberts cross
• Prewitt

Answer 2

Hello Friend,

You might try the AForge Image Processing Library

Here's a project that will enable you to determine if AForge Image Processing is what you need.

Try doing a Floyd-Steinburg Binarization and then a Homogenous Edge detection... or some combination thereof.

Answer 3

I know your asking about C#, but if you don't find an existing C# implementation - perhaps you could port this to C#. It's written in Java, but it's open source. Having some code to start with seems like it would be nice.

There are multiple other filters also...

Here is their result: