[4eyes] Reading Group Today at 2!

[Saiph Savage]

Hi Everyone!
The reading group will be TODAY at 2 pm in the MAT conference room.
Veronika (from Dr. Gilbert's lab)  will present:

*Title:*Learning Segmentation by Random
Walks<http://www.seas.upenn.edu/%7Ejshi/papers/nips00_maila_shi.pdf>.

By: Marina Meila and Jianbo Shi.
*Abstract:*
We present a new view of image segmentation by pairwise similarities  We
interpret the similarities as edge  ows in a Markov random walk and study
the
eigenvalues and eigenvectors of the walk s transition matrix  This
interpretation
shows that spectral methods for clustering and segmentation have a
probabilistic
foundation  In particular  we prove that the Normalized Cut method arises
naturally from our framework  Finally  the framework provides a principled
method for learning the similarity function as a combination of features


Hope to see you there!
Cheers
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