What is frequency in an image?

Hi,

If we apply fft to a signal,we will get the frequency domain of the signal(how the signal is changing according to frequency)

Does the image contain frequency?

What is fft of an image?

Can anybody suggest me anything about this

Thanks in advance

Answer 1

[Daniel Shub]

For a MATLAB flavored introduction I would start with Steve's blog

http://blogs.mathworks.com/steve/category/fourier-transforms/