Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/bnt/inference/online/@jtree_2TBN_inf_engine/fwd1.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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/bnt/inference/online/@jtree_2TBN_inf_engine/fwd1.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,26 @@ +function [f, logscale] = fwd1(engine, ev, t) +% Forwards pass for slice 1. + +bnet = bnet_from_engine(engine); +ss = bnet.nnodes_per_slice; + +CPDpot = cell(1,ss); +for n=1:ss + fam = family(bnet.dag, n, 1); + e = bnet.equiv_class(n, 1); + CPDpot{n} = convert_to_pot(bnet.CPD{e}, engine.pot_type, fam(:), ev); +end +f.t = t; +f.evidence = ev; + +pots = CPDpot; +slice1 = 1:ss; +CPDclqs = engine.clq_ass_to_node1(slice1); + +[f.clpot, f.seppot] = init_pot(engine.jtree_engine1, CPDclqs, CPDpot, engine.pot_type, engine.observed1); +[f.clpot, f.seppot] = collect_evidence(engine.jtree_engine1, f.clpot, f.seppot); +for c=1:length(f.clpot) + [f.clpot{c}, ll(c)] = normalize_pot(f.clpot{c}); +end +logscale = ll(engine.root1); +