Perceived depth scales with disparity gradient.

H. Bülthoff, M. Fahle, M. Wegmann

    Research output: Contribution to journalArticlepeer-review

    29 Citations (Scopus)

    Abstract

    Perceived difference in depth between two adjacent stimuli decreases with increasing disparity gradient even if the disparity stays constant, ie when the stimuli approach each other along paths within fronto-parallel planes. This depth scaling effect is more pronounced with line stimuli than with two isolated points or two small symbols and is insignificant for easily discriminable symbols. The decrease in perceived depth is more pronounced for horizontal orientation than for oblique or vertical orientation. The ratio of perceived depth difference to displayed disparity difference also decreases when the distance between the stimuli increases at a constant gradient in depth. This is to say that we are more correct in our depth estimates for steep gradients in depth when the euclidean distance between the stimuli is short.

    Original languageEnglish
    Pages (from-to)145-153
    Number of pages9
    JournalPerception
    Volume20
    Issue number2
    DOIs
    Publication statusPublished - 1991

    ASJC Scopus subject areas

    • Experimental and Cognitive Psychology
    • Ophthalmology
    • Sensory Systems
    • Artificial Intelligence

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