Mercurial > hg > camir-aes2014
view toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/HHMM/Old/remove_hhmm_end_state.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 [transprob, termprob] = remove_hhmm_end_state(A) % REMOVE_END_STATE Infer transition and termination probabilities from automaton with an end state % [transprob, termprob] = remove_end_state(A) % A(i,k,j) = Pr( i->j | Qps=k), where i in 1:Q, j in 1:(Q+1), and Q+1 is the end state if ndims(A)==2 % top level Q = size(A,1); transprob = A(:,1:Q); termprob = A(:,Q+1)'; % rescale for i=1:Q for j=1:Q denom = (1-termprob(i)); denom = denom + (denom==0)*eps; transprob(i,j) = transprob(i,j) / denom; end end else Q = size(A,1); Qk = size(A,2); transprob = A(:, :, 1:Q); termprob = A(:,:,Q+1)'; % rescale for k=1:Qk for i=1:Q for j=1:Q denom = (1-termprob(k,i)); denom = denom + (denom==0)*eps; transprob(i,k,j) = transprob(i,k,j) / denom; end end end end