Natural Perspective: Mapping Visual Space with Art and Science
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Following its discovery in fifteenth-century Italy, linear perspective has often been hailed as the most accurate method of projecting three-dimensional visual space onto a two-dimensional picture plane. However, when we survey the history of European art it is evident that few artists fully complied with its mathematical rules, despite many of them being rigorously trained in its procedures. In this paper, we will consider how artists have actually depicted visual space, and present evidence that images created according to a “natural” perspective (NP) used by artists are judged as better representations of visual space than those created using standard linear (LP) and curvilinear fisheye (FP) projective geometries. In this study, we built a real three-dimensional scene and produced photographs of the scene in three different perspectives (NP, LP and FP). An online experiment in which we asked people to rank the perspectives in order of preference showed a clear preference for NP compared to the FP and LP. In a second experiment, participants were asked to view the real scene and rate each perspective on a range of psychological variables. Results showed that NP was the most preferred and the most effective in depicting the physical space naturally. We discuss the implications of these results and the advantages and limitations of our approach for studying the global metric and geometrical structure of visual space.
Burleigh, A., Pepperell, R. and Ruta, N. (2018) 'Natural Perspective: Mapping Visual Space with Art and Science', Vision, 2(2), p.21. DOI: 10.3390/vision2020021.
Article published open access in Vision on 07 May 2018, available at: https://doi.org/10.3390/vision2020021.
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
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