grayness
2.The current state of development, application and research of the image processingtechnology and OCR technology are analyzed in this thesis. The pretreatment methods,such as image grayness, gray equilibrium, threshold division, image normalization,image smoothness and the methods of OCR technology are introduced in detail.
3.The Hurley side of the family all tend towards premature grayness, but our Caroling would have none of that, so she bought a rich brown hair-coloring agent and, after messing up the bathroom totally, emerged looking gorgeous, with brand new hair.
