Mercurial > hg > camir-aes2014
comparison toolboxes/FullBNT-1.0.7/bnt/inference/dynamic/@bk_ff_hmm_inf_engine/dbn_predict_bel.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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-1:000000000000 | 0:e9a9cd732c1e |
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1 function engine = dbn_predict_bel(engine, lag) | |
2 % DBN_PREDICT_BEL Predict the belief state 'lag' steps into the future (bk_ff_hmm) | |
3 % engine = dbn_predict_bel(engine, lag) | |
4 % 'lag' defaults to 1 | |
5 | |
6 if nargin < 2, lag = 1; end | |
7 | |
8 for d=1:lag | |
9 %newbel = engine.transmat' * engine.bel; | |
10 newbel = normalise(engine.transmat' * engine.bel); | |
11 | |
12 hnodes = engine.hnodes; | |
13 bnet = bnet_from_engine(engine); | |
14 ns = bnet.node_sizes; | |
15 [marginals, marginalsT] = project_joint_onto_marginals(newbel, hnodes, ns); | |
16 newbel = combine_marginals_into_joint(marginalsT, hnodes, ns); | |
17 engine.bel_marginals = marginalsT; | |
18 engine.bel = newbel; | |
19 end |