Talks given at NuHAG events

Anisotropy: Why and How

  Thomas Sauer (Lehrstuhl fuer Mathematik mit Schwerpunkt Digitale Bildverarbeitung & FORWISS, University of Passau, Fraunhofer IIS Research Group)
    Universit├Ąt Passau

  given at  NuHAG seminar (11.10.17 11:30)
  id:  3380
  length:  45min
Filterbanks based on anisotropic scaling matrices play a fundamental
role in the discrete shearlet transform and can be generalized to more
general situations where the detection of directional singularities is
needed. On the other hand, regularity analysis of the resulting refinable
functions becomes significantly more intricate in the presence of anisotropy.
The talk describes some of the basic concepts and some subdivision based
approaches to describe the regularity of refinable functions for anisotropic
scaling matrices.

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