sunzj / fft_rotation

Perform High Quality Image Rotation by FFT

fft_rotation

Perform High Quality Image Rotation by FFT

1.Base http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.190.4473&rep=rep1&type=pdf

2.Refer https://dsp.stackexchange.com/questions/44200/how-to-perform-2d-image-rotation-by-fft-based-image-translation-using-matlab

3.Only rotate gray image,but it's easy to expand to color image.