Mercurial > hg > camir-aes2014
view toolboxes/FullBNT-1.0.7/bnt/inference/online/@jtree_sparse_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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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.evidence = ev; f.t = t; 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) if isa(f.clpot{c}, 'struct') domain = f.clpot{c}.domain; sizes = f.clpot{c}.sizes; T = f.clpot{c}.T; f.clpot{c} = dpot(domain, sizes, T); end [f.clpot{c}, ll(c)] = normalize_pot(f.clpot{c}); end logscale = ll(engine.root1);