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Copy pathGH_radiousRepX.m
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GH_radiousRepX.m
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function [r, DR, FAR]=GH_radiousRepX(N,No_RepPoints,patterns,targets,T,gamma,y,knn)
NTrCls1=sum(targets);
NTrCls2=N-NTrCls1;
M=size(patterns,1);
NC1=0;
NC2=0;
for i=1:No_RepPoints
A=find(T(:,i)==0);
if length(A)<M
RepPoints_P=patterns;
RepPoints_P(A,:)=[];
Dist_Rep=abs(sqrt(sum((RepPoints_P-repmat(RepPoints_P(:,y),1,N)).^2,1)));
[EE_Rep , ~]=sort(Dist_Rep);
if targets(1,y)==1
UNQ=unique(EE_Rep);
k=0;
Next=1;
while Next==1
k=k+1;
r=UNQ(k);
F1=(Dist_Rep==r);
NCls1r=sum(and(F1,targets));
NCls2r=sum(and(F1,not(targets)));
F2=(Dist_Rep<=r);
NCls1clst=sum(and(F2,targets))-1;
NCls2clst=sum(and(F2,not(targets)));
if gamma*(NCls1clst/(NTrCls1-1))<(NCls2clst/NTrCls2)
Next=0;
if (k-1)==0
r=UNQ(k);
else
r=0.5*(UNQ(k-1)+UNQ(k));
NC1=NC1+1;
end
if r==0
r=1e-6;
end
r=1*r;
F2=(Dist_Rep<=r);
NCls1clst=sum(and(F2,targets))-1;
NCls2clst=sum(and(F2,not(targets)));
[~, Q]=find(F2==1);
DR=0;
FAR=0;
for u=1:size(Q,2)
quasiTest_P=RepPoints_P(:,Q(u));
Dist_quasiTest=abs(sqrt(sum((RepPoints_P-repmat(quasiTest_P,1,N)).^2,1)));
[min , ~]=sort(Dist_quasiTest,2);
min_Uniq=unique(min);
m=0;
No_nereser=0;
while No_nereser<knn+1
m=m+1;
a1=min_Uniq(m);
NN=Dist_quasiTest<=a1;
No_nereser=sum(NN);
end
No_NN_C1=sum(and(NN,targets));
No_NN_C2=sum(and(NN,not(targets)));
if targets(1,Q(u))==1 && (No_NN_C1-1)>No_NN_C2
DR=DR+1;
end
if targets(1,Q(u))==0 && No_NN_C1>(No_NN_C2-1)
FAR=FAR+1;
end
end
end
end
end
if targets(1,y)==0
UNQ=unique(EE_Rep);
k=0;
Next=1;
while Next==1
k=k+1;
r=UNQ(k);
F1=(Dist_Rep==r);
NCls1r=sum(and(F1,targets));
NCls2r=sum(and(F1,not(targets)));
F2=(Dist_Rep<=r);
NCls1clst=sum(and(F2,targets));
NCls2clst=sum(and(F2,not(targets)))-1;
if gamma*(NCls2clst/(NTrCls2-1))<(NCls1clst/NTrCls1)
Next=0;
if (k-1)==0
r=UNQ(k);
else
r=0.5*(UNQ(k-1)+UNQ(k));
NC2=NC2+1;
end
if r==0
r=1e-6;
end
r=1*r;
F2=(Dist_Rep<=r);
NCls1clst=sum(and(F2,targets));
NCls2clst=sum(and(F2,not(targets)))-1;
[~, Q]=find(F2==1);
DR=0;
FAR=0;
for u=1:size(Q,2)
quasiTest_P=RepPoints_P(:,Q(u));
Dist_quasiTest=abs(sqrt(sum((RepPoints_P-repmat(quasiTest_P,1,N)).^2,1)));
quasiTest_Class=targets(1,Q(u));
[min , ~]=sort(Dist_quasiTest,2);
min_Uniq=unique(min);
m=0;
No_nereser=0;
while No_nereser<knn+1
m=m+1;
a1=min_Uniq(m);
NN=Dist_quasiTest<=a1;
No_nereser=sum(NN);
end
No_NN_C1=sum(and(NN,targets));
No_NN_C2=sum(and(NN,not(targets)));
if quasiTest_Class==1 && (No_NN_C1-1)<No_NN_C2
FAR=FAR+1;
end
if quasiTest_Class==0 && No_NN_C1<(No_NN_C2-1)
DR=DR+1;
end
end
end
end
end
end
end