comparison toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/HHMM/Old/mk_abcd_hhmm.m @ 0:e9a9cd732c1e tip

first hg version after svn

+% 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;
+
+