Optic-Flow-Based Collision Avoidance

@article{Green2008OpticFlowBasedCA,
  title={Optic-Flow-Based Collision Avoidance},
  author={William E. Green and Paul Y. Oh},
  journal={IEEE Robotics & Automation Magazine},
  year={2008},
  volume={15}
}
Flying in and around caves, tunnels, and buildings demands more than one sensing modality. This article presented an optic-flow- based approach inspired by flying insects for avoiding lateral collisions. However, there were a few real-world scenarios in which optic flow sensing failed. This occurred when obstacles on approach were directly in front of the aircraft. Here, a simple sonar or infrared sensor can be used to trigger a quick transition into the hovering mode to avoid the otherwise… CONTINUE READING
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