In the coded structured light vision measurement,as a kind of spat ial code,color coded structured light has good properties,such as high speed of shape measurement,because it only needs to proje ct one or a few patterns.Coding and decoding are its key problems.The captured color stripe is easily affected by environmental fact ors,such as light,so the color is often recognized incorrectly. As the number of colors increases,the probability of error becomes bigger.With good measurement resolution,introducing color intensity and period properties and using 4colors,a color pattern with 128stripes is designed based on De Bruijn sequences in this paper.The pattern is convenient for subsequently decoding and meeting the requirements of the high measurement resolution at the same time.Color stripes are precisely segmented by means of applying linear filter difference to L channel value in L*a *b* color space.An adaptive color clustering method is designed by employing principal com ponent analysis and K means clustering,which overcomes the difficulty of color identifying caused by the color crosstalk an d is able to accurately classify colors of stripes with high or low intensity.Matching points set is produced by using the window′s uniquen ess of De Bruijn sequences.The 3D information on the surface of the object is obtained according to the principle of triangulatio n.The 3D object surface is reconstructed finally.This method is used to measure a cylinder diameter.The measurement error is about 1.5mm.The relevant error is about 0.5%.The effectiveness of the proposed method is validated by the experimental results.