Universality study on basic data of color measuring and matching for polyester fabrics

The basic data was adjusted by fabric adjustment factor and concentration logically,and the database for computer color matching for all kinds of polyester fabrics was established.It was found through studying the basic data curves of different polyester fabrics that each curve was basically a straight line when concentration was low and the curves showed different shapes when concentration was high.According to this rule,the basic data curve was divided into two parts.The basic data of a polyester fabric of low concentration was adjusted by the fabric adjustment factor as the universal data.The database consisted of the universal data and the basic data of high concentration with different polyester fabrics.Then the accuracy of this database was tested.The experimental results showed that this database establishing method can be applied to all kinds of polyester fabrics and the value of color change is less than 1 after three times of color modification.On the premise of the accuracy of color matching color,the number of color samples can be reduced significantly.