When image is rotated its pixels get very low and image become very distorted?

When image is rotated its pixels get very low and image become very distorted?

[Image Analyst]

Did you use imrotate? Can you post images or screenshots?

[Muneef]

yes i am using imrotate command. Now i find that i have not made it a perfect square for rotation in fact i am rotating the alpha data as well.

Answer 1

[Matt J]

If you're using imrotate(), try using the 'bilinear' or 'bicubic' interpolation option, instead of the default 'nearest' neighbor option.