Mercurial > hg > camir-aes2014
comparison toolboxes/FullBNT-1.0.7/bnt/inference/dynamic/@bk_inf_engine/dbn_update_bel1.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, loglik] = dbn_update_bel1(engine, evidence) | |
2 % DBN_UPDATE_BEL1 Update the initial belief state (bk) | |
3 % engine = dbn_update_bel1(engine, evidence) | |
4 % | |
5 % evidence{i} has the evidence on node i for slice 1 | |
6 | |
7 bnet = bnet_from_engine(engine); | |
8 ss = length(bnet.intra); | |
9 CPDpot = cell(1,ss); | |
10 t = 1; | |
11 for n=1:ss | |
12 fam = family(bnet.dag, n); | |
13 e = bnet.equiv_class(n, 1); | |
14 CPDpot{n} = convert_to_pot(bnet.CPD{e}, engine.pot_type, fam(:), evidence); | |
15 end | |
16 | |
17 onodes = find(~isemptycell(evidence)); | |
18 | |
19 [clpot, loglik] = enter_soft_evidence(engine.sub_engine1, engine.clq_ass_to_node1, CPDpot, onodes, engine.pot_type); | |
20 | |
21 C = length(engine.clusters); | |
22 newbel = cell(1,C); | |
23 for c=1:C | |
24 k = engine.clq_ass_to_cluster1(c); | |
25 newbel{c} = marginalize_pot(clpot{k}, engine.clusters{c}); | |
26 end | |
27 | |
28 engine.bel = newbel; | |
29 engine.bel_clpot = clpot; | |
30 engine.slice1 = 1; |