sobelmain.zip_The Main

clc; NOP =5; IPP=4; total=10; Feature_Size=4096; %Path = 'D:\Iris\rangaswamy\DB3_A\'; Path = 'C:\Users\Reddy\Desktop\svm\orl_faces\'; total=NOP*IPP; tstimg=20; tic [out] = load_databasefsobel(NOP,IPP,total,Feature_Size,Path); disp('Database loaded'); toc tic [out1] = loadtestdataface(tstimg,Feature_Size,Path); disp('testdata loaded'); toc tic t=1; for threshold=0:0.01:0.12 threshold match=0; mismatch=0; FRR=0; for i=1:NOP % f = zeros(1,total); v4=out1(:,i); for j=1:total v5=out(:,j); h=[v4';v5']; % f(1,j)= pdist(h); y3(:,j)=pdist(h)/10000; end % f = f/1000; [mindist,location]=min(y3); person_number=ceil(location/IPP); if person_number==0 person_number=person_number+1; end if(mindist<threshold) if(person_number==i) match=match+1; else mismatch=mismatch+1; end else FRR=FRR+1; % fprintf('%d\n',i); end end FAR=0; mismatch1=0; for i=NOP+1:tstimg % f = zeros(1,total); v4=out1(:,i); for j=1:total v5=out(:,j); h=[v4';v5']; % f(1,i)= pdist(h); y3(:,j)=pdist(h)/10000; end % f=f/1000; [mindist,location]=min(y3); person_number=ceil(location/IPP); if person_number==0 person_number=person_number+1; end if(mindist>threshold) mismatch1=mismatch1+1; else FAR=FAR+1; end end TSR=(match/NOP)*100; TSR match FRR FAR TSRarray(:,t)=(match/NOP); FARarray(:,t)=(FAR/(tstimg-NOP)); FRRarray(:,t)=(FRR/NOP); thresholdarray(:,t)=threshold; tsrarray(:,t)=TSR; t=t+1; end plot(thresholdarray,FRRarray,'rs-',thresholdarray,FARarray,'g*-'); plot(thresholdarray,FRRarray,'rs-',thresholdarray,FARarray,'g*-',thresholdarray,TSRarray,'b*-'); grid on; legend('frr','far'); title('FAR AND FRR'); xlabel('Threshold--->'); ylabel('FAR and FRR and TSR'); figure,plot(FRRarray,FARarray); grid on; legend('frr','far'); title('FAR v/s FRR'); xlabel('FAR------>'); ylabel('FRR------>'); toc