Page 48 - Digital Analysis of Remotely Sensed Imagery
P. 48
Overview 21
(a)
(b)
(c)
FIGURE 1.12 Appearance of the same image represented at three
radiometric levels: (a) 8 bits (256 gray levels), (b) 6 bits (64 gray levels), and
(c) 3 bits (8 gray levels).
