Technical information

ICT in the science department 1620 © CLEAPSS 2005
An object:
A low-resolution digital image of the object:
The same image, enlarged:
To improve the image, equipment that can carry out ‘interpolation’ or some other enhancement
process would need to be used.
One possible interpolated image of the original object:
An analogue version of the same image, original size:
Analogue images do not suffer from the problems shown above for digital images; if the image
can be enlarged, for example, by moving a projector away from a screen, it is sometimes
possible to see details better.
The analogue version of the same image, enlarged: