\begin{minipage}{7cm}
\begin{sf}
EMISSION
\[
\mathbf{I^i(n,s_0)}=\frac{\mathbf{Q_k O(s_{k+1},s_k)}
  \mathbf{K_a(n_k,s_{k+1})} I_b(T,\mathbf{s_{k+1}})}
  {g\left(\Delta s\right)\left(1-\tilde{\omega}\right)}
\]
\end{sf}
\end{minipage}