Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The tracking performance obtained using the snake algorithm. These data correspond to frames 56, 57, 60, 62, 64, and 65 of Movie 3 with SNR = 5.5. (a) The initial capture ranges, which are represented by the red ellipses. (b) The tracking performance, which are represented by the red lines. The snake method generates many tracking errors.
