comparison toolboxes/FullBNT-1.0.7/bnt/inference/dynamic/@hmm_inf_engine/find_mpe.m @ 0:e9a9cd732c1e tip

first hg version after svn

+function mpe = find_mpe(engine, evidence)
+% FIND_MPE Find the most probable explanation (Viterbi)
+% mpe = enter_evidence(engine, evidence, ...)
+%
+% evidence{i,t} = [] if if X(i,t) is hidden, and otherwise contains its observed value (scalar or column vector)
+%
+
+obslik = mk_hmm_obs_lik_matrix(engine, evidence);
+path = viterbi_path(engine.startprob, engine.transprob, obslik);
+bnet = bnet_from_engine(engine);
+ns = bnet.node_sizes_slice;
+ns(bnet.observed) = 1;
+ass = ind2subv(ns, path);
+mpe = num2cell(ass');
+mpe(bnet.observed,:) = evidence(bnet.observed,:);
+