ATR???????? - PowerPoint PPT Presentation

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ATR????????

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Title: Author: Atsunori Kanemura Last modified by – PowerPoint PPT presentation

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Title: ATR????????


1
????????????????????
  • ATR????????
  • ?? ????

2
??????????
  1. ????????????????????
  2. ?????????????????

ATR????NICT????????????? ?????????????????????
3
????????????????(I)????????????????????
4
?????????
????????(???)???????????
????????? ???? ????? ?????
fMRI(??? ??????) (Ogawa, 1990) ??? ?? ? ??????
MEG(???) ?????? ??? ??????? (????????)
SIEMENS???ATR-Promotions
????(?)
fMRI?????????????????????
5
MEG??????? ?????? ??????????
???????? ???????? ???????
MEG?????
MEG?????
?????
????
???
????????????????? ??????????????
6
????????????
fMRI????????
MEG??????????
????(?)
SIEMENS???ATR-Promotions
????????????? ??????????? ????????
?????? ?????
????????? ?????
????????? ??????????
7
????????????
  • ????????fMRI????????????????????
  • ????????????????????
  • ????????????????????

SIEMENS???ATR-Promotions
??????????????? ????????
8
(No Transcript)
9
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???????? ???????????
?????????
??
10
???????????????
?????????
?????????
???????? ???????????
?????????
??
11
????????????????(II)?????????????????
12
??????(1)
??????
2010.10.20
12
13
??????(2)
??????
2010.10.20
13
14
????
???????????????? ?????????????
Albert Einstein (18791955)
15
??????????
???????? ????????
??????????????? ??????????? ???????????????
????
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?
??
Albert Einstein (18791955)
16
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y
????????????? ???????

wD
w1
wD-1
w2
wn
xD
x2
xn
xD-1
??? ???
x1
17
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????????????? ????????????
????
y
??????????

wD
w1
wD-1
w2
wn
xD
x2
xD-1
xn
??? ???
x1
18
???????????
???????????? ??????????????????
?????????? ???????????
?????
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????????? ????
?????
????? ??????
19
??????????????
http//www.cns.atr.jp/cbi/sparse_estimation/index_
j.html
20
???????????
  • ????????????????????????GUI???????????????????
    VBMEG ?ATR???????????????????

21
????
??????? ??????
???? ??????
??????? ???????
????????????????????????
?????????????????????????????????????????
???????
???????????????????????????????
??????????
2010.10.20
21
22
??????????
  • ???????????????????????(ATR)
  • Sato M, Yoshioka T, Kajiwara S, Toyama K, Goda N,
    Doya K, Kawato M Hierarchical Bayesian
    estimation for MEG inverse problem. NeuroImage,
    23, 806-826 (2004)
  • Yoshioka T, Toyama K, Kawato M, Yamashita O,
    Nishina S, Yamagishi N, Sato M Evaluation of
    hierarchical bayesian method through retinotopic
    signal reconstruction from MEG measurement.
    NeuroImage, 42, 1397-1413 (2008)
  • Sato M Online Model Selection Based on the
    Variational Bayes. Neural Computation, 13,
    1649-1681 (2001)
  • Yamashita O, Sato M, Yoshioka T, Tong F, Kamitani
    Y Sparse estimation automatically selects voxels
    relevant for the decoding of fMRI activity
    patterns. NeuroImage, 42(4), 1414-1429 (2008)

23
?????????????
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