Measurement of Surface and Virtual Prototyping for Kansei Engineering

In Kansei engineering, we have been researching the methods for unveiling relations between physical properties and Kansei. Recent years we have utilized 3D measurements of surface details and making "virtual prototyping using Kansei evaluation". In this research, we have measured the micro-depth and orientation, surface reflectance and transmission of Japanese papers. Measured data were analyzed using directional statistics. As a result, we obtain the statistical model of roughness and its orientation, as well as the surface reflectance and transmission of the light. On the Kansei words "bumpy", "thin", "light", "soft", "pleasant touch", "ambience", "modern", we have found relations between statistical distributions of surface, amount and directions of luminance of both surface reflections and transmissions.