Table 2.

Correlation coefficient between new pressure feature vectors on SVC 2004 signature dataset.

New Pen Pressure Feature Vector	${\mathit{p}}_1^{\prime }$	$\dots$	${\mathit{p}}_{10}^{\prime }$	${\mathit{p}}_{11}^{\prime }$	$\dots$	${\mathit{p}}_{20}^{\prime }$	${\mathit{p}}_{21}^{\prime }$	$\dots$	${\mathit{p}}_{40}^{\prime }$
${\mathit{p}}_1^{\prime }$	$r_{{\mathit{p}}_1^{\prime }}{}_{{\mathit{p}}_1^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{10}^{\prime }}{}_{{\mathit{p}}_1^{\prime }}$	$r_{{\mathit{p}}_{11}^{\prime }}{}_{{\mathit{p}}_1^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{20}^{\prime }}{}_{{\mathit{p}}_1^{\prime }}$	$r_{{\mathit{p}}_{21}^{\prime }}{}_{{\mathit{p}}_1^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{40}^{\prime }}{}_{{\mathit{p}}_1^{\prime }}$
${\mathit{p}}_2^{\prime }$	$r_{p_1^{\prime }}{}_{{\mathit{p}}_2^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{10}^{\prime }}{}_{{\mathit{p}}_2^{\prime }}$	$r_{{\mathit{p}}_{11}^{\prime }}{}_{{\mathit{p}}_2^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{20}^{\prime }}{}_{{\mathit{p}}_2^{\prime }}$	$r_{{\mathit{p}}_{21}^{\prime }}{}_{{\mathit{p}}_2^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{40}^{\prime }}{}_{{\mathit{p}}_2^{\prime }}$
$⋮$	$⋮$	$\ddots$	$⋮$	$⋮$	$\ddots$	$⋮$	$⋮$	$\ddots$	$⋮$
${\mathit{p}}_{10}^{\prime }$	$r_{{\mathit{p}}_1^{\prime }}{}_{{\mathit{p}}_{10}^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{10}^{\prime }}{}_{{\mathit{p}}_{10}^{\prime }}$	$r_{{\mathit{p}}_{11}^{\prime }}{}_{{\mathit{p}}_{10}^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{20}^{\prime }}{}_{{\mathit{p}}_{10}^{\prime }}$	$r_{{\mathit{p}}_{21}^{\prime }}{}_{{\mathit{p}}_{10}^{\prime }}$	$\dots$	$r_{{\mathit{p}}_{40}^{\prime }}{}_{{\mathit{p}}_{10}^{\prime }}$