Color-cast detection and color correction processes are proposed for tongue inspection from images in traditional Chinese medicine(TCM)under natural environments.First,a color cast detection method based on equivalent circle was applied in Lab color space,then the tongue images were processed by a combination of color correction method of improved gray world(GW)with perfect reflection(PR)according to the distribution characteristics of tongue images.Experimental results show that the proposed color cast det...
55(2):278-284.Citation:LIU Q,HUANG X Y,WANG B L,et al.A method for color cast detection and color correction of tongue inspection im-ages under natural environment[J].Journal of Xiamen University(Natural Science),2016,55(2):278-284.(in Chinese)中医认为,人