“…Furthermore, when a system of multiple robots is considered, control and coordination are complex and demanding tasks. According to [16], vision systems for mobile agents, can be classified in six types, sensing and perception [31,23,9,17,7], mapping and self-localization [22,2,4], recognition and location [5,28,29,30,14], navigation and planning [13,20], tracking [21,19,1] and visual servoing [25,11,27].…”