Research Article

2D Geometry Predicts Perceived Visual Curvature in Context-Free Viewing

Table 1

Values in centimetres (on the screen) for sagitta or maximum height (h), chordlength or width , and aspect ratio of the curves, presented here as individual images of white visual contours on dark backgrounds.

Sagitta Chordlength Aspect ratio

2 cm9 cm4.50
3 cm8.5 cm2.83
4.5 cm8 cm1.77
6.5 cm7.5 cm1.15
8 cm7 cm0.87
8.5 cm6 cm0.70
9 cm5 cm0.50
10 cm4 cm0.40
12 cm3 cm0.25
14 cm2 cm0.14
18 cm1 cm0.05