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SUMMARY:Soap film smoothing - Simon Wood (Bath)
DTSTART:20091106T160000Z
DTEND:20091106T170000Z
UID:TALK20010@talks.cam.ac.uk
CONTACT:Richard Nickl
DESCRIPTION:Conventional smoothing methods can perform poorly within compl
 icated domains where the boundary represents\nsome sort of meaningful barr
 ier. In particular it is often important not to `smooth across' boundary f
 eatures.\nI discuss the construction of a finite area smoother based on th
 e notion of interpolating some boundary\ncondition using a soap film\, and
  then allowing the film to distort from its minimum energy configuration t
 o\napproximate data. The resulting smooth can be represented using a linea
 r basis expansion with quadratic\npenalty\, making it easy to incorporate 
 as a component of many statistical models.\n
LOCATION:MR12\, CMS\, Wilberforce Road\, Cambridge\, CB3 0WB
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