Keywords: front-page

## Other Examples

### Example 1

Shown below is an image of a specimen and a ruler. There is also a synthetic ruler overlaid on the image that measures pixel distances. We can see that 1cm has approx. 192 pixels. We can say that the image was digitized with a resolution of 192 pixels per cm or 488 dpi (dots per inch).

### Example 2

Spect slice image of the heart. Image size is 64 x 64 with 256 grey levels; each pixel represents approx. a square of 6 x 6 mm.

a)original; b)zoomed by 4
a) | b)

### Example 3

CT image slice of human head. Image size is 300 x 180 with 256 grey levels; each pixel represents approx. a square of 0.8 x 0.8 mm: