[Lisa_teatalk] [TeaTalk] Prof. Hervé Lombaert, Feb 3, 13:30, AA6214
Dzmitry Bahdanau
dimabgv at gmail.com
Fri Feb 3 12:06:41 EST 2017
Hi all,
Just a reminder about the today's tea-talk, details in the subject.
Dima
On Tue, 31 Jan 2017 at 14:30 Dzmitry Bahdanau <dimabgv at gmail.com> wrote:
> Hi all,
>
> You are invited to attend the talk by Prof. Hervé Lombaert this Friday,
> Feb 3, at 13:30, room AA6214.
>
> *Title:* Spectral Matching & Learning of Surface Data - Example on Brain
> Surfaces
>
> *Abstract:* How to analyze complex shapes, such as of the highly folded
> surface of
> the brain? In this talk, I will show how spectral representations of
> shapes can benefit learning problems where data lives on surfaces.
> Key operations, such as segmentation and registration, typically need
> a common mapping of surfaces, often obtained via slow and complex mesh
> deformations in a Euclidean space. Here, we exploit spectral
> coordinates derived from the Laplacian eigenfunctions of shapes and
> also address the inherent instability of spectral shape
> decompositions. Spectral coordinates have the advantage over
> Euclidean coordinates, to be geometry aware and to parameterize
> surfaces explicitly. This change of paradigm, from Euclidean to
> spectral representations, enables a classifier to be applied
> *directly* on surface data, via spectral coordinates.
>
> The talk will focus, first, on spectral representations of shapes,
> with an example on brain surface matching, and second, on the learning
> of surface data, with an example on automatic brain surface
> parcellation.
>
> *Speaker's bio: *Hervé Lombaert is a Starting Research Scientist at Inria
> Sophia-Antipolis, France, and Associate Professor at ETS, Montreal - with
> research interests in Statistics on Shapes, Data & Medical Images. He had
> the chance to work in multiple centers, including Microsoft Research
> (Cambridge, UK), Siemens Corporate Research (Princeton, NJ), Inria
> Sophia-Antipolis (France), McGill University (Canada), and Polytechnique
> Montreal (Canada). He is also a recipient of the François Erbsmann Prize,
> a top prize in Medical Image Analysis, earned the select NSERC Postdoctoral
> Fellowship and the FQRNT Étudiant-Chercheur Étoile - more at [
> http://cim.mcgill.ca/~lombaert]
>
> Best,
> Dima
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://webmail.iro.umontreal.ca/pipermail/lisa_teatalk/attachments/20170203/7bf42128/attachment.html
More information about the Lisa_teatalk
mailing list