Example show the benefit of using the diffusion distances over the RGB color coordinates in the application of edge-aware smoothing. The images below show that the strong edges are better preserved using the diffusion maps while the same overall amount of smoothing is applied.
Instructions: Roll your mouse over each thumbnail to see a larger version of the image appear below. This makes it possible to easily flip back and forth between the images. Click on a thumbnail for a full resolution version of the image.
Input Image Lambda=1 (RGB) Lambda=10 (RGB) Lambda=10 (RGB) Lambda=1 (Diffusion) Lambda=10 (Diffusion) Lambda=30 (Diffusion)