Discrimination and identification of periodic motion trajectories.

@article{Or2011DiscriminationAI,
  title={Discrimination and identification of periodic motion trajectories.},
  author={Charles C-F Or and M. Hossam M. Thabet and F. O. Green Wilkinson and Hugh R. Wilson},
  journal={Journal of vision},
  year={2011},
  volume={11 8}
}
Humans are extremely sensitive to radial deformations of static circular contours (F. Wilkinson, H. R. Wilson, & C. Habak, 1998). Here, we investigate detection and identification of periodic motion trajectories defined by these radial frequency (RF) patterns over a range of radial frequencies of 2-5 cycles. We showed that the average detection thresholds for RF trajectories range from 1 to 4 min of arc and performance improves as a power-law function of radial frequency. RF trajectories are… CONTINUE READING

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