Computed Tomography?

Question 1

What is an image?

Answer 1

Spatial distribution of intensities

Intensity at each point relates to magnitude of a parameter at that point

Question 2

What is an intensity profile?

Answer 2

A graph, plotting the intensity variation along a defined line

Question 3

What is a projection?

Answer 3

is a view
…a representation of the object in a lesser dimensional space

2D object>1D projection
3D object> 2D projection