帮帮孩子吧
function f=PSNR(h1,h2)
h1=imread('1.B1-7,4 - cuted.jpg')
h2=imread('3.inpainted.png')
s=size(size(h1));
if s(2)==3
f1=rgb2gray(h1);
f2=rgb2gray(h2);
else
f1=h1;
f2=h2;
end
G1=double(f1);
G2=double(f2);
[m1,n1]=size(G1);
[m2,n2]=size(G2);
m=min(m1,m2);
n=min(n1,n2);
b=0;
b=max(G1(:));
c=0;
for i=1:m
for j=1:n
w=G1(i,j)-G2(i,j);
c=c+w^2;
end
end
f=10*log10(b^2*m*n/c);