Multi-manifold modeling is increasingly used in segmentation and data
representation tasks in computer vision and related fields. While the general
problem, modeling data by mixtures of manifolds, is very challenging, several
approaches exist for modeling data by mixtures of affine subspaces (which is
often referred to as hybrid linear modeling). We translate some important
instances of multi-manifold modeling to hybrid linear modeling in embedded
spaces, without explicitly performing the embedding but applying the kernel
trick.
We apply the Spectral Curvature Clustering (SCC) algorithm to a benchmark
database of 155 motion sequences, and show that it outperforms all other
state-of-the-art methods. The average misclassification rate by SCC is 1.41%
for sequences having two motions and 4.85% for three motions.