Mercurial > hg > camir-aes2014
annotate toolboxes/FullBNT-1.0.7/bnt/inference/online/@jtree_2TBN_inf_engine/fwd1.m @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
|---|---|
| date | Tue, 10 Feb 2015 15:05:51 +0000 |
| parents | |
| children |
| rev | line source |
|---|---|
| wolffd@0 | 1 function [f, logscale] = fwd1(engine, ev, t) |
| wolffd@0 | 2 % Forwards pass for slice 1. |
| wolffd@0 | 3 |
| wolffd@0 | 4 bnet = bnet_from_engine(engine); |
| wolffd@0 | 5 ss = bnet.nnodes_per_slice; |
| wolffd@0 | 6 |
| wolffd@0 | 7 CPDpot = cell(1,ss); |
| wolffd@0 | 8 for n=1:ss |
| wolffd@0 | 9 fam = family(bnet.dag, n, 1); |
| wolffd@0 | 10 e = bnet.equiv_class(n, 1); |
| wolffd@0 | 11 CPDpot{n} = convert_to_pot(bnet.CPD{e}, engine.pot_type, fam(:), ev); |
| wolffd@0 | 12 end |
| wolffd@0 | 13 f.t = t; |
| wolffd@0 | 14 f.evidence = ev; |
| wolffd@0 | 15 |
| wolffd@0 | 16 pots = CPDpot; |
| wolffd@0 | 17 slice1 = 1:ss; |
| wolffd@0 | 18 CPDclqs = engine.clq_ass_to_node1(slice1); |
| wolffd@0 | 19 |
| wolffd@0 | 20 [f.clpot, f.seppot] = init_pot(engine.jtree_engine1, CPDclqs, CPDpot, engine.pot_type, engine.observed1); |
| wolffd@0 | 21 [f.clpot, f.seppot] = collect_evidence(engine.jtree_engine1, f.clpot, f.seppot); |
| wolffd@0 | 22 for c=1:length(f.clpot) |
| wolffd@0 | 23 [f.clpot{c}, ll(c)] = normalize_pot(f.clpot{c}); |
| wolffd@0 | 24 end |
| wolffd@0 | 25 logscale = ll(engine.root1); |
| wolffd@0 | 26 |