neural-nets.tex 1.8 KB

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  1. \subsection{Neural Net experiments}
  2. \begin{frame}{Experiments}
  3. \textbf{Preprocessing:} Scaling, shifting and linear interpolation\\
  4. \textbf{Features:} Coordinates of 80 points (4 strokes with 20 points each)\\
  5. \textbf{Learning:} MLP, 300 epochs, LR of 0.1
  6. \begin{itemize}
  7. \item[] \textit{toplogy \tabto{6cm} error in training time}
  8. \item 160:500:369 \tabto{6cm} 30.62 \% in \hphantom{0}9min 08s
  9. \item 160:500:500:369 \tabto{6cm} 27.73 \% in 11min 49s
  10. \item 160:500:500:500:369 \tabto{6cm} 34.79 \% in 14min 09s
  11. \item 160:500:500:500:500:369 \tabto{6cm} 33.61 \% in 14min 06s
  12. \end{itemize}
  13. \end{frame}
  14. \begin{frame}[fragile]{Examples of confusable symbols}
  15. \begin{table}[ht]
  16. \centering
  17. \begin{tabular}{lc|lc}
  18. \textbf{\LaTeX}& \textbf{Rendered} & \textbf{\LaTeX}& \textbf{Rendered} \\\midrule
  19. \verb+\sum+ & $\sum$ & \verb+$\Sigma$+ & $\Sigma$\\
  20. \verb+\coprod+ & $\coprod$ & \verb+$\amalg$+ & $\amalg$\\
  21. \verb+\perp+ & $\perp$ & \verb+$\bot$+ & $\bot$\\
  22. \verb+\models+ & $\models$ & \verb+$\vDash$+ & $\vDash$\\
  23. \verb+\emptyset+ & $\emptyset$ & \verb+$\diameter$+ & $\diameter$\\
  24. ~ & ~ & \verb+$\o$+ & $\o$\\
  25. ~ & ~ & \verb+$\varnothing$+ & $\varnothing$\\
  26. \verb+\Delta+ & $\Delta$ & \verb+$\triangle$+ & $\triangle$\\
  27. \verb+\varepsilon+ & $\varepsilon$ & \verb+$\mathcal{E}$+ & $\mathcal{E}$\\
  28. \end{tabular}
  29. \end{table}
  30. When those confusions are not counted as errors, the current best system
  31. has an classification error rate of $12.7 \%$ (otherwise $22.2 \%$).
  32. \end{frame}