A sampled image gives us our usual 2D array of pixels

We can filter

### Example 1: **Sampled Image**

We also have discrete-space FTS:

### note:

*same*as "Multiplication in Frequency"

### Example 2: **Magnitude of FT of Cameraman Image**

To get a better image, we can use the
`fftshift`

command in Matlab to center
the Fourier Transform. The resulting image is shown in
Figure 4: