Linear manifold approximation based on differences of tangents

  title={Linear manifold approximation based on differences of tangents},
  author={Sofia Karygianni and Pascal Frossard},
  journal={2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
In this paper, we consider the problem of manifold approximation with affine subspaces. Our objective is to discover a set of low dimensional affine subspaces that represents manifold data accurately while preserving the manifold's structure. For this purpose, we employ a greedy technique that partitions manifold samples into groups that can be well approximated by low dimensional subspaces. We start with considering each manifold sample as a different group and we use the difference of… CONTINUE READING

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