vertigo

به کمک دوستان نیازدارم کسی میتونه این کدوبرام توضیح بده.

function p=fade2(BW,kk,p1,p,I)
[n1 n2]=size(BW);
r=floor(n1/10);
c=floor(n2/10);
x1=1;x2=r;
s=r*c;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%
for i=1:10
y1=1;y2=c;
for j=1:10
if (y2<=c | y2>=9*c) | (x1==1 | x2==r*10)
loc=find(BW(x1:x2, y1:y2)==0);
[o p]=size(loc);
pr=o*100/s;
if pr<=100
BW(x1:x2, y1:y2)=0;
r1=x1;r2=x2;s1=y1;s2=y2;
pr1=0;
end
end
y1=y1+c;
y2=y2+c;
end

x1=x1+r;
x2=x2+r;
end
L = bwlabel(BW,8);
BB = regionprops(L, 'BoundingBox');
BB1=struct2cell(BB);
BB2=cell2mat(BB1);

[s1 s2]=size(BB2);
mx=0;
for k=3s2-1
p=BB2(1,k)*BB2(1,k+1);
if p>mx & (BB2(1,k)/BB2(1,k+1))<1.8
mx=p;
j=k;
end
end
figure,imshow(I);
hold on;
rectangle('Position',[BB2(1,j-2),BB2(1,j-1),BB2(1,j),BB2(1,j+1)],'EdgeColor','r' )
face = BW(round(BB2(1,j-1)):round((BB2(1,j-1)+BB2(1,j+1))),round(BB2(1,j-2)):round((BB2(1,j-2)+BB2(1,j))));
rate=16/max(size(face));
face=imresize(face,rate);
[i,j]=size(face);
i1=round((16-i)/2);
j1=round((16-j)/2);
p1(i1+1:i1+i,j1+1:j1+j)=face;
p1=-1.*p1+ones(16,16);
for m=0:15
p(m*16+1m+1)*16,kk)=p1(1:16,m+1);
end