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Nonparametric Bayesian HMM (1)<br />

x<br />

x<br />

x<br />

x<br />

x x<br />

x x<br />

x x<br />

x x<br />

x x<br />

x x<br />

直<br />

x<br />

観<br />

x<br />

的<br />

xには、 x<br />

遷<br />

x<br />

移<br />

x<br />

行<br />

x節 xの 各<br />

x<br />

列<br />

x<br />

のpriorを<br />

x x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x Dirichlet x 分 x 布 x から Dirichlet x x Process x x に 置 き x 換 x<br />

えればよさそうに x x<br />

x 思 x える x x<br />

x x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x x<br />

Transition a 11 a 12<br />

Matrix a 21 x<br />

a 22 x<br />

A<br />

x=<br />

xa N1 a N2<br />

x<br />

a 1i<br />

a 2i<br />

a Ni<br />

x<br />

a 1N<br />

a 2N<br />

x<br />

a NN<br />

x<br />

x<br />

x<br />

Transition<br />

Matrix<br />

x<br />

A =<br />

x<br />

x<br />

a 11 a 12<br />

x<br />

a 21 a 22<br />

x<br />

a 1i<br />

a 2i x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

x<br />

しかし、これはうまくいかない<br />

x<br />

x<br />

x<br />

75<br />

x

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