A Robust Pupil Localization via a Novel Parameter Optimization Strategy

Algorithm 2

Search for gray parameters of inner pupil edge.

Input: 1. The initial search coordinates and the length and width of the image;

 2. Length and width of the eye image;

Output: The coordinate point and pixel value at which the

 jump occurred;

 whiledo

  for to do

   while and and

   do

   end while

   if to is equal then

   else { to is not equal}

   end if

  end for

end while