11 Feb 2004*
CS3243 - Optional Lecture - Vision
5
Image Formation
lVisible light comes in
a range of wavelengths: 400
nm (the violet end) to 700 nm (the red end).
lDiscrete
representation:
¡Black
and white (1 bit)
¡Grayscale:
0-255 brightness (1 byte)
¡RGB
combination: each from 0-255 (3 bytes)