Hunting problems of multi-quadrotor systems via bearing-based hybrid protocols with hierarchical network

Xu Zhen^{1, 2}, Liu Xin-Zhi², Chen Qing-Wei^{1, †}, Wu Zi-Xing^{1, 2}

The identification of markers: (a) the original image, (b) the identification of markers, (c) the filtering and corrosion, (d) the connected domain.