Text this

Number:

Provider:

CAPTCHA:

             ___      _____    _    _    _    _   
  ____      / _ \\   /  ___|| | || | || | \  / || 
 |    \\   / //\ \\ | // __   | || | || |  \/  || 
 | [] ||  |  ___  ||| \\_\ || | \\_/ || | .  . || 
 |  __//  |_||  |_|| \____//   \____//  |_|\/|_|| 
 |_|`-`   `-`   `-`   `---`     `---`   `-`  `-`  
 `-`

Please enter what you see:

Text this: On the issues of visually aided feature extraction from 3D range data