Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/HMM/dhmm_sample_endstate.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/HMM/dhmm_sample_endstate.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,19 @@ +function [obs, hidden] = dhmm_sample_endstate(startprob, transmat, obsmat, endprob, numex) +% SAMPLE_DHMM Generate random sequences from an HMM with discrete outputs. +% function [obs, hidden] = sample_dhmm_endstate(startprob, transmat, obsmat, endprob, numex) +% +% We sample until we have have entered the end state +% obs{m} and hidden{m} are the m'th sequence + +hidden = cell(1,numex); +obs = cell(1,numex); + +for m=1:numex + hidden{m} = mc_sample_endstate(startprob, transmat, endprob); + T = length(hidden{m}); + obs{m} = zeros(1,T); + for t=1:T + h = hidden{m}(t); + obs{m}(t) = sample_discrete(obsmat(h,:)); + end +end