## 3 Materials and Methods
### Feature Extraction
\begin{table}
\begin{tabular}{l l l l} \hline \hline
**SN** & **Features** & **Descriptions** & **Calculation Formula** \\ \hline
1 & Speed mean & Mean of speed. & \(s=\frac{1}{i}\sum_{=0}^{n}s_{i}\) \\
2 & Speed std & Std of speed. & \(s\_\rho=\sqrt{\frac{1}{k}\sum_{=0}^{n}o}(s_{i}-s)^{2}\) \\
3 & Max speed & Maximum speed. & \(s\_max=Max(s_{i})\) \\
4 & First speed mean & Mean of the speed of the first 10\% of the whole. & \(s=\frac{1}{k}\sum_{=0}^{n}s_{i}=\frac{n}{6})\) \\
5 & First speed std & Std of the speed of the first & \(s\_\rho=\sqrt{\frac{1}{k}\sum_{=0}^{n}(s_{i}-s)^{2}};(k=\frac{n}{6})\) \\
6 & Last speed mean & Mean speed of the last 10\% of the whole. & \(\overline{s\_last}=\frac{1}{s-1}\sum_{=k}^{n}s_{i};\ (k=\frac{n}{6}n)\) \\
7 & Last speed std & Std of the speed of the last 10\% of the whole. & \(s\_last\_\rho=\sqrt{\frac{1}{k}\sum_{=k}^{n}s_{i}-s)^{2}};\ (k=\frac{n}{10}n)\) \\
8 & Piv & Maximum speed & \(V_{max}\ (V_{i}=\frac{n}{7})\) \\
9 & Accel. mean & Mean of accel. & \(\overline{\pi}=\frac{1}{n}\sum_{=0}^{n}ac_{i}\) \\
10 & Accel. std & Std of accel. & \(ac\_\rho=\sqrt{\frac{1}{k}\sum_{=0}^{n}(ac_{i}-\overline{\pi})^{2}}\) \\
11 & Max accel. & Maximum accel. & \(ac\_max=Max(ac_{i})\) \\
12 & First accel. mean & Mean of accel. of the first 10\% of the whole. & \(\overline{ac\_1 st}=\frac{1}{k}\sum_{=0}^{n}ac_{i}k=\frac{n}{10}\) \\
13 & First accel. std & Std of accel. of the first 10\% of the whole. & \(\overline{ac\_1 st}=\frac{1}{k}\sum_{=0}^{n}(ac_{i}-\overline{\pi})^{2};k=\frac{n }{10}\) \\
14 & Last accel. mean & Mean of accel. of the last 10\% of the whole. & \(\overline{ac\_last}=\frac{1}{k}\sum_{=k}^{n}ac_{i};k=\frac{n}{10}\) \\
15 & Last accel. std & Std of accel. of the last 10\% of the whole. & \(ac\_last\_\rho=\sqrt{\frac{1}{k}\sum_{=0}^{n}(ac_{i}-\overline{\pi})^{2}};(k= \frac{n}{10}n)\) \\
16 & Pia & Maximum accel. & \(Ac_{max}\ (A_{i}=\frac{V_{i}}{t_{i}})\) \\
17 & Pressure mean & Mean of pen pressure. & \(p=\frac{1}{k}\sum_{=0}^{n}p_{i}\) \\
18 & Pressure std & Std of pen pressure. & \(p\_\sigma=\sqrt{\frac{1}{k}\sum_{=0}^{n}(p_{i}-p)^{2}}\) \\
19 & Max pressure & Maximum of pen pressure. & \(p\_\sigma\max=Max(p_{i})\) \\
20 & First pressure mean & Mean of pen pressure of & \(\overline{p\_1 st}=\frac{1}{k}\sum_{=0}^{n}p_{i};\ (k=\frac{n}{10})\) \\
21 & First pressure std & Std of pen pressure of & \(p\_\sigma\max=\sqrt{\frac{1}{k}\sum_{=0}^{n}(p_{i}-\overline{\pi})^{2}};\ (k=\frac{n}{10})\) \\
22 & Last pressure mean & Mean of pen pressure of & \(p\_\sigma\max=\sqrt{\frac{1}{k}\sum_{=0}^{n}p_{i}}\ (k=\frac{n}{10})\) \\
23 & Last pressure std & The std of pen pressure of & \(p\_\sigma\max=\sqrt{\frac{1}{k}\sum_{=k}^{n}(p_{i}-p)^{2}}\) (the last 10\% of the whole. & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=k}^{n}p_{i}\ (k=\frac{n}{10}n)\) \\
24 & Azimuth mean & Mean of azimuth. & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10})\) \\
25 & Azimuth std & Std of azimuth. & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10})\) \\
26 & First azimuth mean & Mean of the azimuth of & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10})\) \\
27 & First azimuth std & Std of the azimuth of & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10})\) \\
28 & Last azimuth mean & Mean of the last 10\% of the whole. & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10}n)\) \\
29 & Last azimuth std & Std of the azimuth of & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=k}^{n}az_{i};\ (k=\frac{n}{10}n)\) \\
30 & Altitude mean & Mean of altitude. & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10}n)\) \\
31 & Altitude std & Std of altitude. & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10})\) \\
32 & First altitude mean & Mean of the altitude of & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10})\) \\
33 & First altitude std & Std of the altitude of & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}az_{i};\ (k=\frac{n}{10})\) \\
34 & Last altitude mean & Mean of the altitude of & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=k}^{n}az_{i};\ (k=\frac{n}{10}n)\) \\
35 & Last altitude std & Std of the altitude of & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=k}^{n}az_{i};\ (k=\frac{n}{10}n)\) \\
36 & Positive pressure & Mean of increase in pen & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}at_{i};\ (k=\frac{n}{10}n)\) \\
37 & Positive pressure & Std of increase in pen & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=k}^{n}at_{i};\ (k=\frac{n}{10})\) \\
38 & Massive positive change & Maximum increase in pen & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}at_{i};\ (k=\frac{n}{10})\) \\
39 & Negative pressure & Mean decrease in pen & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=0}^{n}at_{i};\ (k=\frac{n}{10})\) \\
40 & Negative pressure & Std of decrease in pen pressure & \(\overline{ap\_1 st}=\frac{1}{k}\sum_{=k}^{n}at_{i};\ (k=\frac{n}{10}n)\) \\  & & & & \\ \hline \hline \end{tabular}
\end{table}