• Publications
  • Influence
Lizards speed up visual displays in noisy motion habitats
Extensive research over the last few decades has revealed that many acoustically communicating animals compensate for the masking effect of background noise by changing the structure of theirExpand
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Digital video playback and visual communication in lizards
Experimental analyses of dynamic visual signals have to overcome the technical obstacle of reproducing complex motor patterns such as those found in courtship and threat displays. Video playbackExpand
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Design of the Jacky dragon visual display: signal and noise characteristics in a complex moving environment
  • R. Peters, C. Evans
  • Computer Science, Medicine
  • Journal of Comparative Physiology A
  • 20 May 2003
TLDR
We use novel techniques to define the structure of the signal and of a range of typical moving backgrounds in terms of direction, speed, acceleration and sweep area. Expand
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Introductory tail-flick of the Jacky dragon visual display: signal efficacy depends upon duration
  • R. Peters, C. Evans
  • Computer Science, Medicine
  • Journal of Experimental Biology
  • 1 December 2003
TLDR
A series of video playback experiments with a digitally animated tail, comparing the responses to digital video footage of a lizard tail-flick with those to a precisely matched 3-D animation, identify several variables that might mediate recognition. Expand
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A new algorithm for image noise reduction using mathematical morphology
  • R. Peters
  • Mathematics, Medicine
  • IEEE Trans. Image Process.
  • 1 May 1995
TLDR
This paper presents a description and analysis of a new morphological image cleaning algorithm (MIC) that preserves thin features while removing noise. Expand
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Measuring the structure of dynamic visual signals
Correspondence: R. Peters, Department of Psychology, Macquarie University, Sydney, NSW 2109, Australia (email: richard@ galliform.psy.mq.edu.au). C. W. G. Clifford is at the School of Psychology,Expand
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The Sensory Ego-Sphere as a Short-Term Memory for Humanoids
The Sensory Ego-Sphere (SES) is a shortterm memory structure for a robot. The SES records and recalls events that are localized in space or time. It is a database structured as a 2D spherical shellExpand
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Signaling against the Wind: Modifying Motion-Signal Structure in Response to Increased Noise
Animal signals are optimized for particular signaling environments [1-3]. While signaling, senders often choose favorable conditions that ensure reliable detection and transmission [4-8], suggestingExpand
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Claw waving display changes with receiver distance in fiddler crabs, Uca perplexa
Effective communication is critically dependent on the successful transfer of information and, because environmental and social conditions can affect signal transmission, animals should be able toExpand
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Penis size interacts with body shape and height to influence male attractiveness
Compelling evidence from many animal taxa indicates that male genitalia are often under postcopulatory sexual selection for characteristics that increase a male’s relative fertilization success.Expand
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