Table 2.

Comparison of HGO model parameter estimates for different noise levels (imposed extension)

Noise level	$\mu$(Pa)	$k_1$(Pa)	$\kappa$	$k_2$
Expected	1000	2000	0.083	5
($\psi$ = 0.01)	$1000\hspace{0.17em}\pm \hspace{0.17em}11$	$2007\hspace{0.17em}\pm \hspace{0.17em}390$	$0.081\hspace{0.17em}\pm \hspace{0.17em}0.023$	$4.9\hspace{0.17em}\pm \hspace{0.17em}0.1$
($\psi$ = 0.02)	$1000\hspace{0.17em}\pm \hspace{0.17em}20$	$2044\hspace{0.17em}\pm \hspace{0.17em}752$	$0.077\hspace{0.17em}\pm \hspace{0.17em}0.043$	$4.7\hspace{0.17em}\pm \hspace{0.17em}0.3$
($\psi$ = 0.03)	$1002\hspace{0.17em}\pm \hspace{0.17em}32$	$2068\hspace{0.17em}\pm \hspace{0.17em}1125$	$0.075\hspace{0.17em}\pm \hspace{0.17em}0.050$	$4.5\hspace{0.17em}\pm \hspace{0.17em}0.5$