Mercurial > hg > camir-aes2014
view toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/HHMM/Old/mk_arrow_alpha_hhmm3.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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% Make the following HHMM % % LH RH % / \ % / \ % LR -> UD -> RL -> DU RL -> UD -> LR -> DU % \ % \ % Q1 -> Q2 % % where level 1 is fully interconnected (not shown) % level 2 is left-right % and each model at level 3 is a 2 state LR shared HMM Qsizes = [2 4 2]; D = 3; % LEVEL 1 startprob1 = 'ergodic'; transprob1 = 'ergodic'; % LEVEL 2 startprob = zeros(2, 4); % Q1 Q2 startprob(1, 1) = 1; startprob(2, 3) = 1; transprob = zeros(2, 4, 4); transprob(1,:,:) = [0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1]; transprob(2,:,:) = [0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 1]; Q2args = {'startprob', startprob, 'transprob', transprob}; % always terminate in state 4 (default) % F2args % LEVEL 3 % Defaults are fine: always start in state 1, left-right model, finish in state 2 % OBS LEVEl chars = ['L', 'l', 'U', 'u', 'R', 'r', 'D', 'd']; Osize = length(chars); obsprob = zeros([4 2 Osize]); % Q2 Q3 O obsprob(1, 1, find(chars == 'L')) = 1.0; obsprob(1, 2, find(chars == 'l')) = 1.0; obsprob(2, 1, find(chars == 'U')) = 1.0; obsprob(2, 2, find(chars == 'u')) = 1.0; obsprob(3, 1, find(chars == 'R')) = 1.0; obsprob(3, 2, find(chars == 'r')) = 1.0; obsprob(4, 1, find(chars == 'D')) = 1.0; obsprob(4, 2, find(chars == 'd')) = 1.0; Oargs = {'CPT', obsprob}; bnet = mk_hhmm3('Qsizes', Qsizes, 'Osize', Osize', 'discrete_obs', 1, 'Oargs', Oargs, 'Q1args', Q1args, 'Q2args', Q2args); T = 20; usecell = 0; evidence = sample_dbn(bnet, T, usecell); %chars(evidence(end,:)) Q1 = 1; Q2 = 2; Q3 = 3; F3 = 4; F2 = 5; obs = 6; Qnodes = [Q1 Q2 Q3]; Fnodes = [F2 F3]; pretty_print_hhmm_parse(evidence, Qnodes, Fnodes, obs, chars); eclass = bnet.equiv_class; S=struct(bnet.CPD{eclass(Q2,2)})