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view toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/HHMM/Old/mk_abcd_hhmm.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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% Make the HHMM in Figure 1 of the NIPS'01 paper Qsize = [2 3 2]; D = 3; % transprob{d}(i,k,j), transprob{1}(i,j) % termprob{d}(k,j), termprob{1}(1,j) % startprob{d}(k,j), startprob{1}(1,j) % obsprob(k, o) for discrete outputs % LEVEL 1 % 1 2 e A{1} = [0 0 1; 0 0 1]; [transprob{1}, termprob{1}] = remove_hhmm_end_state(A{1}); startprob{1} = [0.5 0.5]; Q1args = {'startprob', startprob{1}, 'transprob', transprob{1}}; % LEVEL 2 A{2} = zeros(Qsize(2), Qsize(1), Qsize(2)+1); % 1 2 3 e A{2}(:,1,:) = [0 1 0 0 0 0 1 0 0 0 0 1]; % 1 2 3 e A{2}(:,2,:) = [0 1 0 0 0 0 1 0 0 0 0 1]; [transprob{2}, termprob{2}] = remove_hhmm_end_state(A{2}); % always enter level 2 in state 1 startprob{2} = [1 0 0 1 0 0]; Q2args = {'startprob', startprob{2}, 'transprob', transprob{2}}; F2args = {'CPT', termprob{2}}; % LEVEL 3 A{3} = zeros([Qsize(3) Qsize(1:2) Qsize(3)+1]); endstate = Qsize(3)+1; % Qt-1(3) Qt(1) Qt(2) Qt(3) % 1 2 e A{3}(1, 1, 1, endstate) = 1.0; A{3}(:, 1, 2, :) = [0.0 1.0 0.0 0.5 0.0 0.5]; A{3}(1, 1, 3, endstate) = 1.0; A{3}(1, 2, 1, endstate) = 1.0; A{3}(:, 2, 2, :) = [0.0 1.0 0.0 0.5 0.0 0.5]; A{3}(1, 2, 3, endstate) = 1.0; A{3} = reshape(A{3}, [Qsize(3) prod(Qsize(1:2)) Qsize(3)+1]); [transprob{3}, termprob{3}] = remove_hhmm_end_state(A{3}); % define the vertical entry points to level 3 startprob{3} = zeros(Qsize); % Q1 Q2 Q3 startprob{3}(1, 1, 1) = 1.0; startprob{3}(1, 2, 1) = 1.0; startprob{3}(1, 3, 1) = 1.0; startprob{3}(2, 1, 1) = 1.0; startprob{3}(2, 2, 1) = 1.0; startprob{3}(2, 3, 1) = 1.0; startprob{3} = reshape(startprob{3}, prod(Qsize(1:2)), Qsize(3)); chars = ['a', 'b', 'c', 'd', 'x', 'y']; Osize = length(chars); obsprob = zeros([Qsize Osize]); % 1 2 3 O obsprob(1,1,1,find(chars == 'a')) = 1.0; obsprob(1,2,1,find(chars == 'x')) = 1.0; obsprob(1,2,2,find(chars == 'y')) = 1.0; obsprob(1,3,1,find(chars == 'b')) = 1.0; obsprob(2,1,1,find(chars == 'c')) = 1.0; obsprob(2,2,1,find(chars == 'x')) = 1.0; obsprob(2,2,2,find(chars == 'y')) = 1.0; obsprob(2,3,1,find(chars == 'd')) = 1.0; obsprob = reshape(obsprob, prod(Qsize), Osize); [intra, inter, Qnodes, Fnodes, Onode] = mk_hhmm_topo(D); hhmm.Qnodes = Qnodes; hhmm.Fnodes = Fnodes; hhmm.Onode = Onode; hhmm.D = D; hhmm.Qsize = Qsize; hhmm.Osize = Osize; hhmm.startprob = startprob; hhmm.transprob = transprob; hhmm.termprob = termprob; hhmm.obsprob = obsprob; hhmm.A = A;