Illumination-based synchronization of high-speed vision sensors

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


To 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.

Original languageEnglish
Pages (from-to)5530-5547
Number of pages18
Issue number6
Publication statusPublished - 2010 Jun


  • Camera synchronization
  • Phase-locked loop
  • Visible light communication


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