Abstract
To acquire images of dynamic scenes from multiple points of view simultaneously, the acquisition time of vision sensors should be synchronized. In this paper, an advanced illumination-based synchronization algorithm derived from the phase-locked loop (PLL) algorithm is proposed and evaluated. To remove the dependency of system behavior on the fluctuant amplitude of illumination, which may be caused by moving objects or variational distance between illumination and objects, the negative feedback amount to the PLL system is normalized by the estimated maximum time correlation value between the output signal and its quadrature counterpart, to generate stable synchronization even in highly dynamic scenes. Both simulated results and real world experiments demonstrate successful synchronization. System performance is also analyzed to optimize the settings.
