I want to interpolate extracted ROI. Please help me with coding.
1 次查看(过去 30 天)
显示 更早的评论
p= imread('knee.jpg');
figure;
imshow(p);
img = imcrop;
k=imshow(img);
imwrite(k,'knee2.jpg');
z=imread('knee2.jpg');
figure;
[x,y]=meshgrid(1:256,1:256);
a=2;
for i=1:256;
for j=1:256;
x1(i,j)=a*x(i,j);
y1(i,j)=y(i,j)/a;
end
end
% Do the interpolation
z1=interp2(x,y,z,x1,y1,'bilinear');
imshow(z1);
4 个评论
John D'Errico
2016-1-19
Linear interpolation will not improve image quality. That only works in the TV shows, where you can blow up a single pixel into a readable picture of a license plate. Any problems that were in the original will still be there, with sometimes new artifacts introduced.
回答(0 个)
另请参阅
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!