PMSVM: An Optimized Support Vector Machine Classification Algorithm Based on PCA and Multilevel Grid Search Methods

Algorithm 2

Multilevel Grid Search (MGS).

Require:  

Ensure:  

(1) INPUT: ;

(2) INPUT: ;

(3) GridSearch();

(4) 

(5)  while    do

(6)  Record the best ACC and the corresponding , ;

(7)  

(8)  

(9)  if    then

(10)   

(11)  else

(12)   

(13)  end if

(14)  if    then

(15)   

(16)  else

(17)   

(18)  end if

(19)  GridSearch();

(20) end while

(21)  return  .