DAI Zhemin 1, XU Zengpu 2, YU Demin 2, WANG Yongqiang 2
(1.Mechanical and Electronic Engineering Department of Jingdezhen Ceramic Institute, 333001; 2.Mechanical Engineering Institute of Tianjin Science and Technology University, 300222)
Abstract:The color even degree on the ceramic tile surface can be evaluated through adopting the histogram, square deviation, gradient gained from the tile gray image, each evaluating parameter exists its advantage and disadvantage [11.This paper introduces an analyzing method for evaluating the color even degree on the tile surface in two dimensional frequency domain, that is by adopting two dimensional discrete fourier transform. An evaluating method is given for the, eolor even degree on the ceramic tile surface.
Keywords:ceramic tile.color even degree,discrete fourier transform.frequency domain analysis