G. Chen

  1. Kernel Spectral Curvature Clustering (KSCC).

    Authors: G. Chen, S. Atev, G. Lerman
    Subjects: Computer Vision and Pattern Recognition
    Abstract

    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.

  2. Motion Segmentation by SCC on the Hopkins 155 Database.

    Authors: G. Chen, G. Lerman
    Subjects: Computer Vision and Pattern Recognition
    Abstract

    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.

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