Objective Evaluation Method for Appearance of Fabric Wrinkling by the CCD Laser Light Measuring System.

In this research study, the method evaluating the wrinkle appearance objectively with the CCD laser displacement sensor system was described. A CCD was employed as the light-receiving element in the system, whose sensor enables to obtain the stably, highly accurate displacement measurement, regardless of the light quantity distribution of the beam spot. The wrinkle grades of standard replicas and fabrics were measured and analyzed with the system, which was an excellent tool for investigating three-dimensional surface shapes of wrinkles. The contours of wrinkle surfaces were also analyzed with the fractal method.