Piecewise smooth reconstruction of normal vector field on digital data supplementary material

The α parameter allows us to control the strength of the regularisation and feature extraction with respect to the amount of noise in the input object. In Figure 2, we present different feature extractions and normal vector fields illustration (normal vector components are mapped to RGB values) for various noise level k and various parameters α (for fixed λ). Even if the feature is quite stable with respect to k, better results can be obtained when α decreases as k increases.