Frame synchronization of high-speed vision sensors with respect to temporally encoded illumination in highly dynamic environments

研究成果: Article査読

8 被引用数 (Scopus)

抄録

The authors propose a Manchester Encoding inspired illumination modulation strategy to properly index the temporally-aligned vision frames, which are successfully synchronized by the LED reference signal. Based on signal normalization, Manchester Encoded reference signals carry temporal information owing to serial communication and thus can timestamp the output vision frame. Both simulated and experimental results show satisfactory robustness to various disturbances, such as dynamic targets, fluctuant optical intensity, and unfixed cameras, etc. The 1, 000 Hz vision sensor is locked to 500 Hz temporally modulated LED illumination with only 24 μs jitters. This result is believed to be applicable to low-cost wireless vision sensor network.

本文言語English
ページ(範囲)4102-4121
ページ数20
ジャーナルSensors (Switzerland)
13
4
DOI
出版ステータスPublished - 2013 4

ASJC Scopus subject areas

  • 分析化学
  • 生化学
  • 原子分子物理学および光学
  • 器械工学
  • 電子工学および電気工学

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