Table 4.

Unknown parameters to be solved.

A. Function contained within	B. Parameters to be solved
$f_c(x,y;t)$	$a_f(t)$, $f_{bg}(x,y)$
$v(x,y;t)$	$x_V(t)$, $y_V(t)$, ${\sigma }_X(t)$, ${\sigma }_Y(t)$
$f_M(x,y;t)$	$m(x,y)$
$c_6(x,y;t)$	$t_d(x,y)$, $\sigma (x,y)$