抄録
The characteristics of body surfaces are statistically compared between young men and young women in terms of two ‘ curvature’ measures; one (called Concentrated Gaussian Curvature) is defined as a substitute for Gaussian curvature and the other (called Concentrated Geodesic Curvature) as that for geodesic curvature. These two measures are evaluated on the vertices of the triangular-mesh, which simulates a three-dimensional torso surface. The sum of these ‘curvatures’ totaled over all vertices of the mesh satisfy a topological conservation law induced from the Gauss-Bonnet theorem, irrespective of any metric characteristics of the torso. This is, therefore, a good measure which enables us to extract, with no bias due to difference in body size, how males differ from females in body shape. The results obtained in the present work suggest a novel viewpoint in clothing-pattern making.