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Release 1.0
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georgid committed Nov 13, 2014
1 parent 70eb614 commit c71fedb
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Showing 2 changed files with 71 additions and 8 deletions.
11 changes: 9 additions & 2 deletions report
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,13 @@ Current state:
testing only duraations with no ObsProbs.

Current parameteres:

FIXED:
=Only at middle state - check bookmark in code
= with Normal distribution = allows for 2*max duration.
- let max D be 20% on top of note duration (in _calcCurrStatePhi)
= with Normal distribution ( allows for 2*maxD(state) (DurationHMM.getWaitLogLik() )
)
- let currMax be 30% on top of note duration (in _calcCurrStatePhi and initPhis)
-no normalisation of durationPDF

ADJUST:
- then play with ALPHA (start at > 0.9)
68 changes: 62 additions & 6 deletions report_formulas.lyx
Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,26 @@

\begin_body

\begin_layout Standard

\family roman
\series medium
\shape up
\size normal
\emph off
\bar no
\strikeout off
\uuline off
\uwave off
\noun off
\color none
p_{i}(d) are from same distribution type where max_d(i) from score
\end_layout

\begin_layout Subsection*
Initialization
\end_layout

\begin_layout Standard
For
\begin_inset Formula $t<=D\_MAX$
Expand All @@ -93,7 +113,35 @@ reduced-duration delta:
\end_layout

\begin_layout Standard
\begin_inset Formula $\delta_{t}(i)*=max_{d=1}^{t-1}\delta_{t-d}(i-1)p_{i}(d)\Pi_{s=t-d+1}^{t}b_{i}(O_{s})$
\begin_inset Formula $\delta_{t}(i)*=max_{d=1}^{min(t-1,max(d))}\delta_{t-d}(i-1)p_{i}(d)\Pi_{s=t-d+1}^{t}b_{i}(O_{s})$
\end_inset


\end_layout

\begin_layout Standard
where
\family roman
\series medium
\shape up
\size normal
\emph off
\bar no
\strikeout off
\uuline off
\uwave off
\noun off
\color none

\begin_inset Formula $min(t-1,max(d))$
\end_inset

reduces the duration to
\begin_inset Formula $t$
\end_inset

when
\begin_inset Formula $t<max(d)$
\end_inset


Expand Down Expand Up @@ -170,6 +218,10 @@ Note that becasue in forced alignment the source state could be only the
no maximization over source states in nesessary
\end_layout

\begin_layout Subsection*
Recursion
\end_layout

\begin_layout Standard
--------------
\end_layout
Expand All @@ -189,6 +241,10 @@ For

\end_layout

\begin_layout Standard
--------------------
\end_layout

\begin_layout Standard
IMPLEMENTATION:
\end_layout
Expand Down Expand Up @@ -250,8 +306,8 @@ instead of
\uwave default
\noun default
\color inherit
defined by Rabiner in V.
A as
(to comply with the notation of Rabiner in V.
A) as
\begin_inset Formula $\phi_{t}(i)=max_{d=1}^{D}\{\phi_{t-d}(i-1)+log[p_{i}(d)]+\Sigma_{s=t-d+1}^{t}log[b_{i}(O_{s})]\}$
\end_inset

Expand Down Expand Up @@ -299,8 +355,8 @@ it might be
-----------------
\end_layout

\begin_layout Standard
backtracking:
\begin_layout Subsection*
backtracking
\end_layout

\begin_layout Standard
Expand Down Expand Up @@ -354,7 +410,7 @@ update
\end_layout

\begin_layout Standard
\begin_inset Formula $d=\phi_{t}(q_{t})$
\begin_inset Formula $d=\chi_{t}(q_{t})$
\end_inset


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