README
March 14, 2011 ยท View on GitHub
Here are some Hidden Markov Models (HMMs).
PlainHMM is the usual HMM:
q_1 ---> q_2 ---> q_3 .... | | | | | | v v v o_1 o_2 o_3 ...
TwoOutputHMM has one hidden stream and two output streams:
a_1 a_2 a_3 ... ^ ^ ^ | | | | | | q_1 ---> q_2 ---> q_3 ... | | | | | | v v v o_1 o_2 o_3 ...
CoupledHMM has two hidden streams and two output streams:
a_1 a_2 a_3 ...
^ ^ ^
| | |
| | |
p_1 -->_ p_2 -->_ p_3 ...
\ /| \ /|
\ / \ /
X X
/ \ /
/ _| / _|
q_1 --> q_2 --> q_3 ...
| | |
| | |
v v v
o_1 o_2 o_3 ...
This uses a modified version of mallet (included in the lib directory) whose source can be obtained from: