Picture surface illusion in parallel perspective
Author(s) -
John M. Kennedy,
Sherief Hammad
Publication year - 2014
Publication title -
psihologija
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.222
H-Index - 16
eISSN - 1451-9283
pISSN - 0048-5705
DOI - 10.2298/psi1403303k
Subject(s) - cube (algebra) , illusion , perspective (graphical) , referent , quadrilateral , tilt (camera) , surface (topology) , optical illusion , mathematics , computer graphics (images) , computer science , geometry , psychology , cognitive psychology , physics , philosophy , linguistics , finite element method , thermodynamics
In the picture-surface illusion, 2D features on the picture’s surface are seen biased towards their 3D referent e.g. an angle of 200 depicting a 900 corner of a cube is seen as 300. We tested linear and parallel perspective drawings of cubes with cube drawings subtending 50 to 500. The picture-surface illusion occurs for both parallel and linear perspective drawings, at about equal strength. We argue that the 3D information at work may be the aspect ratio of a quadrilateral depicting the tilt of the cube’s top face
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