CS194 Fall 2011 Lecture 20 K‐means, EM - EECS at UC Berkeleyrussell/classes/cs194/f11... · 700...
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CS194 Fall 2011 Lecture 20 K‐means, EM
Transcript of CS194 Fall 2011 Lecture 20 K‐means, EM - EECS at UC Berkeleyrussell/classes/cs194/f11... · 700...
CS194Fall2011Lecture20K‐means,EM
K‐meansalgorithm
Laplacekerneldensityforseismicevents
K‐meansforseismicdensity
K‐meansforseismicdensity
K‐meansforseismicdensity
EMformixturesofGaussians
EMinacFon
[BishopFigure9.8]
(a)!2 0 2
!2
0
2
(b)!2 0 2
!2
0
2
(c)
L = 1
!2 0 2
!2
0
2
EMinacFon
[BishopFigure9.8]
(d)
L = 2
!2 0 2
!2
0
2
(e)
L = 5
!2 0 2
!2
0
2
(f)
L = 20
!2 0 2
!2
0
2
EMlikelihoodbyiteraFon
