Abstract: To solve the classical methods’ problems of long executing time or low accuracy, this paper proposes an extended SURF descriptor. On the method using SURF, the proposed method uses local normalization information and second-order gradient values of neighborhood regions to build a new one. Not only does this method perform as fast as SURF algorithm, but it also fully employs the image grayscale information and details. Considering the executing time and rate, experimental results presented in this paper show that the proposed method is more robust than classical methods.