Dice Loss - code 구현

% close all;
% clear all;
% clc;
N = 328
st = 0;
Fsc=[];
MIU=[];
PA=[];
bestfsc=0;
bestmiu=0;
bestpa=0;
bestep = 0;

folder = '/media/jeyamariajose/7888230b-5c10-4229-90f2-c78bdae9c5de/Data/monuseg/resized/test/labelcol/';
listinfo = dir(strcat(folder,'*.png'));
lm = length(listinfo);


for k = 1:10
    k
    Fsc=[];
    MIU=[];
    PA=[];
for i = 1:lm
   %I = double(imread(strcat(folder,listinfo(i).name)));
   imgfile = strcat(folder,listinfo(i).name);
   imgname = listinfo(i).name(1:27)  ;
   i;
   %gname = strcat('./Brain_test/',num2str(i,'%04d'),'.png');
   
   lname = '/media/jeyamariajose/7888230b-5c10-4229-90f2-c78bdae9c5de/Data/Projects/axialseg/KiU-Net-pytorch/results/monuseg/medTr/';
   labelname = strcat(lname, num2str(k*10),'/', imgname);
   %imgname
   I = double(imread(imgfile));tmp2=zeros(512,512);
   %I = rgb2gray(I);
   tmp2(I>127) = 255;
   tmp2(I<126) = 0;
   tmp = double(imread(labelname));
   
   tmp(tmp<127)=0;tmp(tmp>126)=255;
   %tmp2 = I;
   tp=0;fp=0;fn=0;tn=0;uni=0;ttp=0;lab=0;
   
   for p =1:512
       for q =1:512
           if tmp(p,q)==0
               if tmp2(p,q) == tmp(p,q)
                   tn = tn+1;
               else
                   fp = fp+1;
                   uni = uni+1;
                   ttp = ttp+1;
               end
           elseif tmp(p,q)==255
               lab = lab +1;
               if tmp2(p,q) == tmp(p,q)
                   tp = tp+1;
                   ttp = ttp+1;
               else
                   fn = fn+1;
               end
               uni = uni+1;
           end
           
       end
   end
   
   if (tp~=0)
       F = (2*tp)/(2*tp+fp+fn);
       MIU=[MIU,(tp*1.0/uni)];
       PA=[PA,(tp*1.0/ttp)];
       Fsc=[Fsc;[i,F]];
   else
       MIU=[MIU,1];
       PA=[PA,1];
       Fsc=[Fsc;[i,1]];
   
   end
   

   
end

   if bestfsc <= mean(Fsc) & (mean(Fsc) ~= 1)
   bestfsc = mean(Fsc);
   bestmiu = mean(MIU,2);
   bestpa = mean(PA,2);
   bestep = 10*k;
   
   end
   mean(Fsc)
end

bestfsc
bestmiu
%bestpa
bestep

% plot(Fsc(:,1),Fsc(:,2),'-*')
% hold on
% plot(Fsc(:,1),Fsc1(:,2),'-s')
% hold off
% figure();plot(Fsc(:,1),PA,'-*');hold on
% plot(Fsc(:,1),PA1,'-s');hold off
% Fsc1=Fsc;
% MIU1=MIU;
% PA1=PA;