Morphing in periodic tactile signals

Humans naturally use both categorical and continuous structures when classifying perceptual experiences. However, design of haptic information displays is eased by the availability of design parameters that can be smoothly modulated along a continuous dimension. Taking guidance from visual and audit...

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Bibliographic Details
Main Authors: MacLean, K.E., Enriquez, M.J., Tian Lim
Format: Conference Proceeding
Language:English
Subjects:
Cities and towns
Computer science
Displays
Frequency
Haptic interfaces
Human-computer interaction
Humans
Perception and psychophysics
Psychology
Tactile devices and display
Teleoperators
Virtual environment
Visualization
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Description
Summary:Humans naturally use both categorical and continuous structures when classifying perceptual experiences. However, design of haptic information displays is eased by the availability of design parameters that can be smoothly modulated along a continuous dimension. Taking guidance from visual and auditory media design, we identified and validated a perceptually successful ldquomorphrdquo function that modulates a tactile vibration between two disparate endpoints (a square and a triangle or sine wave), by varying the magnitude of the vertical (highest frequency content) component of the waveform. This finding suggests a specific psychonomic function related to frequency perception, points towards a practical utility in haptic information design, and supports reflections on further possibilities for haptic morphing.
DOI:10.1109/WHC.2009.4810844