What is fast Fourier transform in image processing?

Related questions

1. What DFT means?
2. How does Matlab FFT work?
3. What is decimation in time FFT?
4. Why Fourier series is used?
5. How is FFT size calculated?
6. What is Nfft FFT?
7. What is Nfft Matlab?
8. What is bit reversal in DSP?
9. What are bins in FFT?
10. What is FFT in vibration?

Tags

1. #transform
2. #faster
3. #domain
4. #images
5. #spatial
6. #often
7. #analysis
8. #function
9. #applying
10. #convert
11. #discrete
12. #another
13. #introduction
14. #filters
15. #specific
16. #frequency
17. #computationally
18. #image
19. #fourier