Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/bnt/inference/online/@jtree_2TBN_inf_engine/back1_mpe.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
---|---|
date | Tue, 10 Feb 2015 15:05:51 +0000 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/bnt/inference/online/@jtree_2TBN_inf_engine/back1_mpe.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,22 @@ +function [b, mpe] = back1_mpe(engine, bfuture, f, ev1, t) + +if t ~= 1 + error('mixed up time stamps') +end +bnet = bnet_from_engine(engine); +ss = bnet.nnodes_per_slice; +maximize = 1; + +int = engine.interface; +D = engine.in_clq; % from J2 +C = engine.int_clq1; % from J1 +phiD = marginalize_pot(bfuture.clpot{D}, int, maximize); +phiC = marginalize_pot(f.clpot{C}, int, maximize); +ratio = divide_by_pot(phiD, phiC); +f.clpot{C} = multiply_by_pot(f.clpot{C}, ratio); + +[mpe, b.clpot] = find_max_config(engine.jtree_engine1, f.clpot, f.seppot, ev1); +for c=1:length(b.clpot) + [b.clpot{c}, ll(c)] = normalize_pot(b.clpot{c}); +end +b.t = t;