Illumination-Based Synchronization of High-Speed Vision Sensors
AbstractTo acquire images of dynamic scenes from multiple points of view simultaneously, the acquisition time of vision sensors should be synchronized. This paper describes an illumination-based synchronization method derived from the phase-locked loop (PLL) algorithm. Incident light to a vision sensor from an intensity-modulated illumination source serves as the reference signal for synchronization. Analog and digital computation within the vision sensor forms a PLL to regulate the output signal, which corresponds to the vision frame timing, to be synchronized with the reference. Simulated and experimental results show that a 1,000 Hz frame rate vision sensor was successfully synchronized with 32 μs jitters.
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Hou, L.; Kagami, S.; Hashimoto, K. Illumination-Based Synchronization of High-Speed Vision Sensors. Sensors 2010, 10, 5530-5547.
Hou L, Kagami S, Hashimoto K. Illumination-Based Synchronization of High-Speed Vision Sensors. Sensors. 2010; 10(6):5530-5547.Chicago/Turabian Style
Hou, Lei; Kagami, Shingo; Hashimoto, Koichi. 2010. "Illumination-Based Synchronization of High-Speed Vision Sensors." Sensors 10, no. 6: 5530-5547.