Image Processing Reference
In-Depth Information
Fig. 11.2
Three different gray-level mappings
Fig. 11.3
Inverting an image
Fig. 11.4
Solarize filter
11.1.1 Point Processing
The simplest way to create visual effects is to play around with the gray-level map-
ping. Two classic gray-level mappings are illustrated in Fig.
11.2
and the visual
effects of these mappings are illustrated in Figs.
11.3
and
11.4
.
