Color pattern recognition using fast quaternion correlation algorithm

Quaternion correlation techniques take advantage of high recognition precision and strong noise tolerance have been widely used in mangy application of color image processing. In this paper, a fast color pattern recognition algorithm based on quaternion correlation techniques is proposed. By traditional complex fast Fourier transform, a more efficient quaternion correlation algorithm was applied in the color pattern recognition aim at enhancing the efficiency of available algorithm. Experimental results on synthetic and natural images verify our arguments throughout the paper.