A Robust Pupil Localization via a Novel Parameter Optimization Strategy

Algorithm 3

Optimization of binarization parameters.

Input: 1. The coordinate point and pixel value of the jump in Algorithm 2;

 2. Length and width of the eye image;

Output: Gray parameters of the outer edge of pupil;

 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