Abstract:

A drape instrument for fabric was designed that employed a backlight to directly acquire drape images of a fabric. The image segmentation method including a gradient operator and Kittler & Illingworth’s threshold method were used to find the fabric contour moving inward from the outer edge of the image. The contour was then used to calculate the drape coefficient of the fabric. Experiments have shown that this method can directly acquire a fabric contour which is not readily obtainable by means of projective capture or nobacklight acquisition.