A small project I'm working on, for integration into the G'MIC plug-in for GIMP: The goal of the interface is to propose a quick way to extract the foreground from the background in a complex image. With the mouse, you select points that must be considered as foreground (left click), and background (right click).
The algorithm segments the background, and becomes more and more precise as new control points are added.
Once the object is extracted, you can render funny things, as shown here : • moto