Research Article

Robotic Visual Tracking of Relevant Cues in Underwater Environments with Poor Visibility Conditions

Figure 1

The same outdoor natural scene under different weather conditions. In (b), the effects of fog clearly show how objects in the distance gradually disappear (e.g., mountains in the back, clearly seen in (a), are gone). This effect is similar in underwater scenes (see Figure 2). Taken from [3].
(a) Image in a sunny day
(b) Image in a foggy day