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positive_hog.m
executable file
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positive_hog.m
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counter=counter+1;
im=(imresize(I2,[256 256],'lanczos3'));
im_hog = im2double(im);
feat = features(im_hog, 8);
i=0;
c=[1,1,size_of_region-1,size_of_region-1];
while(c(2)<size_of_region)
c=[1,1,size_of_region-1,size_of_region-1];
c(2)=c(2)+floor(size_of_region*(1-over_lap))*(i-1);
c(4)=c(4)+floor(size_of_region*(1-over_lap))*(i-1);
while(c(1)<size_of_region)
c(1)=c(1)+floor(size_of_region*(1-over_lap));
c(3)=c(3)+floor(size_of_region*(1-over_lap));
t1=c+r1;
for j=1:numel(t1)
if(t1(j)>256)
t1(j)=256;
end
end
t1;
t1=floor(t1/8);
for j=1:numel(t1)
if(t1(j)>=31)
t1(j)=30;
end
if(t1(j)<=0)
t1(j)=1;
end
end
x1min=min(t1(1),t1(3));
y1min=min(t1(2),t1(4));
l1=w1+h1;
for j=0:w1-1
if(x1min+j<=30)
if(i==0)
thog1=feat(x1min,y1min,:);
else
if(thog1<feat(x1min+j,y1min,:))
thog1=feat(x1min+j,y1min,:);
end
end
end
end
for j=0:h1-1
if(y1min+j<=30)
if(thog1<feat(x1min,y1min+j,:))
thog1=feat(x1min,y1min+j,:);
end
end
end
t2=c+r2;
for j=1:numel(t2)
if(t2(j)>256)
t2(j)=256;
end
end
t2;
t2=floor(t2/8);
for j=1:numel(t2)
if(t2(j)>=31)
t2(j)=30;
end
if(t2(j)<=0)
t2(j)=1;
end
end
x2min=min(t2(1),t2(3));
y2min=min(t2(2),t2(4));
l1=w1+h1;
for j=0:w2-1
if(x2min+j<=30)
if(i==0)
thog2=feat(x2min,y2min,:);
else
if(thog2<feat(x2min+j,y2min,:))
thog2=feat(x2min+j,y2min,:);
end
end
end
end
for j=0:h2-1
if(y2min+j<=30)
if(thog2<feat(x2min,y2min+j,:))
thog2=feat(x2min,y2min+j,:);
end
end
end
t3=c+r3;
for j=1:numel(t3)
if(t3(j)>256)
t3(j)=256;
end
end
t3;
t3=floor(t3/8);
for j=1:numel(t3)
if(t3(j)>=31)
t3(j)=30;
end
if(t3(j)<=0)
t3(j)=1;
end
end
x3min=min(t3(1),t3(3));
y3min=min(t3(2),t3(4));
l3=w3+h3;
for j=0:w3-1
if(x3min+j<=30)
if(i==0)
thog3=feat(x3min,y3min,:);
else
if(thog3<feat(x3min+j,y3min,:))
thog3=feat(x3min+j,y3min,:);
end
end
end
end
for j=0:h3-1
if(y3min+j<=30)
if(thog3<feat(x3min,y3min+j,:))
thog3=feat(x3min,y3min+j,:);
end
end
end
t4=c+r4;
for j=1:numel(t4)
if(t4(j)>256)
t4(j)=256;
end
end
t1;
t4=floor(t4/8);
for j=1:numel(t4)
if(t4(j)>=31)
t4(j)=30;
end
if(t4(j)<=0)
t4(j)=1;
end
end
x4min=min(t4(1),t4(3));
y4min=min(t4(2),t4(4));
l1=w1+h1;
for j=0:w4-1
if(x4min+j<=30)
if(i==0)
thog4=feat(x4min,y4min,:);
else
if(thog4<feat(x4min+j,y4min,:))
thog4=feat(x4min+j,y4min,:);
end
end
end
end
for j=0:h4-1
if(y4min+j<=30)
if(thog4<feat(x4min,y4min+j,:))
thog4=feat(x4min,y4min+j,:);
end
end
end
t5=c+r5;
for j=1:numel(t5)
if(t5(j)>256)
t5(j)=256;
end
end
t1;
t5=floor(t5/8);
for j=1:numel(t5)
if(t5(j)>=31)
t5(j)=30;
end
if(t5(j)<=0)
t5(j)=1;
end
end
x5min=min(t5(1),t5(3));
y5min=min(t5(2),t5(4));
l1=w1+h1;
for j=0:w5-1
if(x5min+j<=30)
if(i==0)
thog5=feat(x5min,y5min,:);
else
if(thog5<feat(x5min+j,y5min,:))
thog5=feat(x5min+j,y5min,:);
end
end
end
end
for j=0:h5-1
if(y5min+j<=30)
if(thog5<feat(x5min,y5min+j,:))
thog5=feat(x5min,y5min+j,:);
end
end
end
hog1=thog1;
hog2=thog2;
hog3=thog3;
hog4=thog4;
hog5=thog5;
hog=cat(3,hog1,hog2);
hog=cat(3,hog,hog3);
hog=cat(3,hog,hog4);
hog=cat(3,hog,hog5);
hog=squeeze(hog); %96x1 vector
if(i==0)
data=[hog];
else
data=[data;hog];
end
%feat_pos(counter,:)=data;
end
i=i+1;
end
for i=1:numel(data)
feat_pos(i,counter)=data(i,1);
end