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SUMMARY:On designing robust cost functions – applications to pattern ana
 lysis - Dr. Rozenn Dahyot\, Assistant Professor in Statistics\, Trinity Co
 llege Dublin
DTSTART:20140522T140000Z
DTEND:20140522T150000Z
UID:TALK52055@talks.cam.ac.uk
CONTACT:Prof. Ramji Venkataramanan
DESCRIPTION:Posterior-like functions are widely used in computer vision to
  infer latent information of interest using data collected from multiple s
 ensors. The problem at hand is originally formulated with a set of equatio
 ns between the latent and observed variables\, and the recorded data is of
 ten polluted with unpredictable outliers. In this talk\, I will introduce 
 a family of cost functions for the ‘data term’ appearing in a posterio
 r. This family includes very robust models (e.g.  Hough Transforms) and th
 e standard likelihood. We will stress the similarities of our framework wi
 th other inferential approaches such as L2E divergence. These ideas will b
 e illustrated with applications for 3D reconstruction from multiple view d
 epth images\, morphable model fitting\, and registration.\n\n*BIO*: \nFrom
  1998 to 2001\, Rozenn Dahyot (BSc 1996\, MSc 1998\, PhD 2001 University L
 ouis Pasteur Strasbourg\, France)  worked for LCPC (French Institute of Sc
 ience and technology for Transport) as a Research Assistant\, developing i
 mage analysis techniques to assist in road inspection and management. From
  2002 to 2005\, she was a Research Fellow in\nTrinity College Dublin (TCD)
 \, Ireland\, and University of Cambridge\, UK\, working on EU funded\nproj
 ects on Multimedia Understanding (e.g. sport video analysis) and Video Res
 toration.\nFrom 2005 to 2008\, she was  a lecturer in  the Computer Scienc
 e department and since 2008 is a tenure Assistant Professor in Statistics 
 in TCD.\nHer research currently focuses on robust inference for\nobject de
 tection & recognition\, and 3D reconstruction from RGB/ depth images. Roze
 nn is currently the secretary to Irish Pattern Recognition and Classificat
 ion Society (IPRCS)\, and its representative in the International Federati
 on of classification Societies. She is  the coordinator  of the FP7 Indust
 ry-Academia Partnerships and Pathways (IAPP)  GRAISearch project (2014-18)
  on the use of Graphics Rendering and Artificial Intelligence for improved
  mobile Search capabilities. 
LOCATION:LR5\, Cambridge University Engineering Department
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