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annotate toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/HHMM/mk_hhmm_topo_F1.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function [intra, inter, Qnodes, Fnodes, Onode] = mk_hhmm_topo_F1(D, all_Q_to_Qs, Ops)
wolffd@0 2 % MK_HHMM_TOPO Make Hierarchical HMM topology assuming level 1 can finish
wolffd@0 3 % function [intra, inter, Qnodes, Fnodes, Onode] = mk_hhmm_topo(D, all_Q_to_Qs, Ops, F1)
wolffd@0 4 %
wolffd@0 5 % D is the depth of the hierarchy
wolffd@0 6 % If all_Q_to_Qs = 1, level i connects to all levels below, else just to i+1 [0]
wolffd@0 7 % Ops are the Q parents of the observed node [Qnodes(end)]
wolffd@0 8 % If F1=1, level 1 can finish (restart), else there is no F1->Q1 arc [0]
wolffd@0 9
wolffd@0 10 Qnodes = 1:D;
wolffd@0 11
wolffd@0 12 if nargin < 2, all_Q_to_Qs = 1; end
wolffd@0 13 if nargin < 3, Ops = Qnodes(D); end
wolffd@0 14 if nargin < 4, F1 = 0; end
wolffd@0 15
wolffd@0 16 if F1
wolffd@0 17 Fnodes = 2*D:-1:D+1; % must number from bottom to top
wolffd@0 18 Onode = 2*D+1;
wolffd@0 19 ss = 2*D+1;
wolffd@0 20 else
wolffd@0 21 Fnodes = (2*D)-1:-1:D+1;
wolffd@0 22 Onode = 2*D;
wolffd@0 23 ss = 2*D;
wolffd@0 24 end
wolffd@0 25
wolffd@0 26 intra = zeros(ss);
wolffd@0 27 intra(Ops, Onode) = 1;
wolffd@0 28 for d=1:D-1
wolffd@0 29 if all_Q_to_Qs
wolffd@0 30 intra(Qnodes(d), Qnodes(d+1:end)) = 1;
wolffd@0 31 else
wolffd@0 32 intra(Qnodes(d), Qnodes(d+1)) = 1;
wolffd@0 33 end
wolffd@0 34 end
wolffd@0 35 for d=D:-1:3
wolffd@0 36 intra(Fnodes(d), Fnodes(d-1)) = 1;
wolffd@0 37 end
wolffd@0 38 if F1
wolffd@0 39 intra(Fnodes(2), Fnodes(1)) = 1;
wolffd@0 40 end
wolffd@0 41 if all_Q_to_Qs
wolffd@0 42 for d=1:D
wolffd@0 43 intra(Qnodes(d), Fnodes(d:end)) = 1;
wolffd@0 44 end
wolffd@0 45 else
wolffd@0 46 for d=1:D
wolffd@0 47 if d < D
wolffd@0 48 intra(Qnodes(d), Fnodes([d d+1])) = 1;
wolffd@0 49 else
wolffd@0 50 intra(Qnodes(d), Fnodes(d)) = 1;
wolffd@0 51 end
wolffd@0 52 end
wolffd@0 53 end
wolffd@0 54
wolffd@0 55 inter = zeros(ss);
wolffd@0 56 for d=1:D
wolffd@0 57 inter(Qnodes(d), Qnodes(d)) = 1;
wolffd@0 58 end
wolffd@0 59 for d=1:D
wolffd@0 60 if d==1
wolffd@0 61 inter(Fnodes(d), Qnodes(d)) = 1;
wolffd@0 62 else
wolffd@0 63 inter(Fnodes(d), Qnodes([d-1 d])) = 1;
wolffd@0 64 end
wolffd@0 65 end