J. Weickert, B.M. ter Haar Romeny, A. Lopez, W.J. van Enk,
Orientation analysis by coherence-enhancing diffusion,
Proc. Symposium on Real World Computing (RWC '97, Tokyo,
Jan. 29-31, 1997), 96-103, 1997.
In response to the need for a robust and flexible bottom-up
process in computer vision which also allows top-down interactions,
we propose the use of nonlinear anisotropic diffusion scale-spaces.
This paper explains the basic idea behind these scale-spaces, their
adaptation to the underlying image structure by means of the structure
tensor, and it presents a numerical algorithm. In order to demonstrate
the flexibility of this approach, we then design a filter for making
trabecular bone structures in medical images explicit. We also show how
the concept of coherence-enhancing anisotropic diffusion can be extended
to arbitrary dimensional data sets.
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Joachim.Weickert@ti.uni-mannheim.de.
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