The estimation of the curvature of visual space with a visual triangle

Toshio Watanabe

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Triangular properties which Blank (1961) proposed are useful in investigating the geometry of visual space. With this method, however, it is not possible to estimate quantitatively the curvature of visual space. In the present article, hyperbolic and elliptic triangles are described with mathematical equations in the two and three dimensional Euclidean maps, and a method is proposed to estimate the curvature with triangular properties. Further, one experiment is conducted to find how the curvature changes according to the experimental conditions. Visual triangles are constructed in an eye level plane, a slanted plane and a horopter plane. The result shows that the curvature is negative in the eye level plane and in the slanted plane, but positive in the horopter plane.

本文言語English
ページ(範囲)278-284
ページ数7
ジャーナルShinrigaku Kenkyu
67
4
DOI
出版ステータスPublished - 1996 10

ASJC Scopus subject areas

  • Psychology(all)

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