JOURNAL OF THE TEXTILE INSTITUTE, cilt.98, sa.2, ss.117-126, 2007 (SCI-Expanded)
Yarn diameter profiles were captured from an online measurement svstem and then translated into a two-dimensional (2-D) fabric matrix by assigning each point of the yarn to a specific location within a virtual fabric. A method to quantify the anisotropy in fabric nonumformity was developed by combining the gray-scale image of the 2-D fabric matrix with the newly defined between-area variance curves. The 2-D anisotropy measures thus obtained were found to be highly useful for characterizing certain appearance features of woven fabrics such as vertical or horizontal streaks and random cloudiness. Methods for selecting different shapes of the unit area facilitated comparison of the resulting between-area variance curves, and thus a measure of isotropy in the nonumformity features of the woven fabrics.