Snakes

Snakes

The principle has been described in paragraph ''Active edges''.

**Figure 58:** River Garonne (Toulouse-France): ``Snake'' initialization and edges.
$\begin{figure}\begin{center}\epsfbox{/home/pocquet/LEONARDO/REGIS/garonne-snake-init-edges-fen.eps}\end{center}\end{figure}$

**Figure 59:** Lakes ``La Ramée'' (Toulouse-France): ``Snake'' initialization and edges.
$\begin{figure}\begin{center}\epsfysize= 9cm\epsfbox{/home/pocquet/LEONARDO/REGIS/ramee-snake-init-edges.eps}\end{center}\end{figure}$

Computation time is longer, but the resulting edges are smooth and without occlusion.

IRIT-UPS