Illumination-based real-time contactless synchronization of high-speed vision sensors

To acquire images of a scene from multiple points of view simultaneously, the acquisition time of vision sensors should be synchronized. In this paper, an illumination-based synchronization technique derived from the phase-locked loop algorithm is proposed. Both Simulation results and experimental results show that the operation of vision sensor can be successfully locked to the corresponding edges of an intensity-modulated LED illumination signal in real time, as long as the feedback gain is empirically chosen with the help of MATLAB simulation.