Question

matlab人脸识别代码翻译

O=rgb2ntsc(I);
G=O(:,:,2);
[m n]=size(G);
U=zeros(m,n);
for i=1:m
for j=1:n
if G(i,j)>0.03&&G(i,j)<0.16
U(i,j)=1;
end
end
end
sr=strel('disk',6);
C=imclose(U,sr);
L=bwlabel(C);
B=regionprops(L,'area');
Se=[B.Area];
Sm=max(Se);
if Sm>m*n/27
B1=bwareaopen(C,Sm);
k_y1=m;k2=m;l2=n;
for i=1:m
if any(B1(i,:))==1
k_y1=i;
break
end
end
for i=k_y1:m
if B1(i,:)==0
k2=i;
break
end
end
for j=1:n
if any(B1(:,j))==1
l_y1=j;
break
end
end
for j=l_y1:n
if B1(:,j)==0
l2=j;
break
end
end
k_y=k2-k_y1;
l=l2-l_y1;
if k_y>.5*l&&k_y<3*l
I1=imcrop(B1,[l_y1 k_y1 l .4*k_y]);
[n1 m1]=size(I1);
L1=bwlabel(I1);
E=regionprops(L1,'area');
Si=[E.Area];
Sm=max(Si);
if Sm/(n1*m1)>.3
B2=bwareaopen(I1,floor(.5*Sm));
g_y1=m1;g2=m1;
for j=1:m1
if any(B2(:,j))==1
g_y1=j;
break
end
end
for j=g_y1:m1
if B2(:,j)==0;
g2=j;
break
end
end
g=g2-g_y1;
figure;imshow(I);
hold on
h1=line([l_y1+g_y1,l_y1+g_y1+g],[k_y1,k_y1]);
h2=line([l_y1+g_y1+g,l_y1+g_y1+g],[k_y1,k_y1+1.1*g]);
h3=line([l_y1+g_y1+g,l_y1+g_y1],[k_y1+1.1*g,k_y1+1.1*g]);
h4=line([l_y1+g_y1,l_y1+g_y1],[k_y1+1.1*g,k_y1]);
h=[h1 h2 h3 h4];
set(h,'Color',[1 0 0],'LineWidth',2);
else
figure;imshow(I);
end
else
figure;imshow(I);
end
else
figure;imshow(I);
end
每行的意思

Answer 1

O=rgb2ntsc(I); G=O(:,:,2); [m n]=size(G); U=zeros(m,n); for i=1:m for j=1:n if G(i,j)>0.03&&G(i,j)<0.16 U(i,j)=1; end end end sr=strel('disk',6); C=imclose(U,sr); L=bwlabel(C); B=regionprops(L,'area'); Se=[B.Area];Sm=max(Se); if Sm>m*n/27 B1=bwareaopen(C,Sm); k_y1=m;k2=m;l2=n; for i=1:m if any(B1(i,:))==1 k_y1=i; break end end for i=k_y1:m if B1(i,:)==0 k2=i; break end end for j=1:n if any(B1(:,j))==1 l_y1=j; break end