The linear perspective information in ground surface representation and distance judgment

Bing Wu, Zijiang J. He, Teng Leng Ooi

Research output: Contribution to journalArticlepeer-review

39 Scopus citations


Most ground surfaces contain various types of texture gradient information that serve as depth cues for space perception. We investigated how linear perspective, a type of texture gradient information on the ground, affects judged absolute distance and eye level. Phosphorescent elements were used to display linear perspective information on the floor in an otherwise dark room. We found that observers were remarkably receptive to such information. Changing the configuration of the linear perspective information from parallel to converging resulted in relatively larger judged distances and lower judged eye levels. These findings support the proposals that (1) the visual system has a bias for representing an image of converging lines as one of parallel lines on a downward-slanting surface and (2) the convergence point of a converging-lines image represents the eye level. Finally, we found that the visual system may be less sensitive to the manipulation of compression gradient information than of linear perspective information.

Original languageEnglish (US)
Pages (from-to)654-672
Number of pages19
JournalPerception and Psychophysics
Issue number5
StatePublished - Jul 2007
Externally publishedYes

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Sensory Systems
  • General Psychology


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