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41 lines
No EOL
1.8 KiB
TeX
41 lines
No EOL
1.8 KiB
TeX
\subsection{Neural Net experiments}
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\begin{frame}{Experiments}
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\textbf{Preprocessing:} Scaling, shifting and linear interpolation\\
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\textbf{Features:} Coordinates of 80 points (4 strokes with 20 points each)\\
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\textbf{Learning:} MLP, 300 epochs, LR of 0.1, Momentum 0.1
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\begin{table}[h]
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\begin{tabular}{lrl}
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\toprule
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Topology & Error & Training time \\ \midrule
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160:500:369 & 30.62 \% & \hphantom{0}9min 08s \\
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160:500:500:369 & 27.73 \% & 11min 49s \\
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160:500:500:500:369 & 34.79 \% & 14min 09s \\
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160:500:500:500:500:369 & 33.61 \% & 14min 06s \\
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\bottomrule
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\end{tabular}
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\end{table}
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\end{frame}
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\begin{frame}[fragile]{Examples of confusable symbols}
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\begin{table}[ht]
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\centering
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\begin{tabular}{lc|lc}
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\textbf{\LaTeX}& \textbf{Rendered} & \textbf{\LaTeX}& \textbf{Rendered} \\\midrule
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\verb+\sum+ & $\sum$ & \verb+$\Sigma$+ & $\Sigma$\\
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\verb+\coprod+ & $\coprod$ & \verb+$\amalg$+ & $\amalg$\\
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\verb+\perp+ & $\perp$ & \verb+$\bot$+ & $\bot$\\
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\verb+\models+ & $\models$ & \verb+$\vDash$+ & $\vDash$\\
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\verb+\emptyset+ & $\emptyset$ & \verb+$\diameter$+ & $\diameter$\\
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~ & ~ & \verb+$\o$+ & $\o$\\
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~ & ~ & \verb+$\varnothing$+ & $\varnothing$\\
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\verb+\Delta+ & $\Delta$ & \verb+$\triangle$+ & $\triangle$\\
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\verb+\varepsilon+ & $\varepsilon$ & \verb+$\mathcal{E}$+ & $\mathcal{E}$\\
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\end{tabular}
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\end{table}
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When those confusions are not counted as errors, the current best system
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has an classification error rate of $12.7 \%$ (otherwise $22.2 \%$).
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\end{frame} |