Gender Classification Based on Geometry Features of Palm Image

Algorithm 1

Extraction algorithm.

(1)  𝑝𝑎𝑙𝑚𝐼𝑚=𝑖𝑚𝑟𝑒𝑎𝑑(𝑛𝑎𝑚𝑒𝐼𝑚);

(2)  𝑉𝑎𝑙=𝑟𝑔𝑏2𝑔𝑟𝑎𝑦(𝑝𝑎𝑙𝑚𝐼𝑚);

(3)  𝑤𝑖𝑑𝑡ℎ=𝑠𝑖𝑧𝑒(𝑉𝑎𝑙,2);

(4)  𝑙𝑒𝑛𝑔𝑡ℎ=𝑠𝑖𝑧𝑒(𝑉𝑎𝑙,1);

(5)  𝑤𝑖𝑑𝑡ℎ𝐴𝑟𝑟𝑎𝑦=𝑧𝑒𝑟𝑜𝑠(𝑤𝑖𝑑𝑡ℎ,2);

(6)  𝑙𝑒𝑛𝑔𝑡ℎ𝐴𝑟𝑟𝑎𝑦=𝑧𝑒𝑟𝑜𝑠(𝑙𝑒𝑛𝑔𝑡ℎ,2);

(7)  for  𝑥=1∶𝑤𝑖𝑑𝑡ℎ  do

(8)  𝑤𝑖𝑑𝑡ℎ𝐴𝑟𝑟𝑎𝑦(𝑥,1)=𝑥;

(9)  for  𝑦=1∶𝑙𝑒𝑛𝑔𝑡ℎ  do

(10)   𝑙𝑒𝑛𝑔𝑡ℎ𝐴𝑟𝑟𝑎𝑦(𝑦,1)=𝑦;

(11)   if  𝑉𝑎𝑙(𝑥,𝑦)≠0  then

(12)    𝑤𝑖𝑑𝑡ℎ𝐴𝑟𝑟𝑎𝑦(𝑥,2)=𝑤𝑖𝑑𝑡ℎ𝐴𝑟𝑟𝑎𝑦(𝑥,2)+1;

(13)    𝑙𝑒𝑛𝑔𝑡ℎ𝐴𝑟𝑟𝑎𝑦(𝑦,2)=𝑙𝑒𝑛𝑔𝑡ℎ𝐴𝑟𝑟𝑎𝑦(𝑦,2)+1;

(14)   end if

(15)  end for

(16) end for

(17) 𝑚𝑎𝑥𝑊𝑖𝑑𝑡ℎ=𝑚𝑎𝑥(𝑤𝑖𝑑𝑡ℎ𝐴𝑟𝑟𝑎𝑦(∶,2));

(18) 𝑚𝑎𝑥𝐿𝑒𝑛𝑔𝑡ℎ=𝑚𝑎𝑥(𝑙𝑒𝑛𝑔𝑡ℎ𝐴𝑟𝑟𝑎𝑦(∶,2));

(19) 𝑟𝑎𝑡𝑖𝑜=𝑚𝑎𝑥𝐿𝑒𝑛𝑔𝑡ℎ÷𝑚𝑎𝑥𝑊𝑖𝑑𝑡ℎ;