What is the difference between phase and phase spectrum?
I have a 2d image 360x360 This image has been created using capturing amplitude of the reflected wave.
I want to calculate the phase angle of this image
img=imread('coin.jpg'); f1=fft2(img); f1=log(1+fftshift(f1)); phase1=angle(f1); imshow(phase1); imshow(rad2deg(phase1));
But I'm not sure I'm correct or not?
How to validate this?