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在实际应用中，Data Matrix二维条形码的解码效果会受到不均匀光照和复杂背景的影响。为此，提出一种层次化的Data Matrix实时解码方法。利用大津法将条码图像的前景和背景进行分割，得到二值化的条码图像，对其进行区域定位和精确定位。在此基础上，设计基于数字信号处理的二维条形码快速解码终端。实验结果表明，该解码方法具有较好的实时性和较高的鲁棒性。
Co-occurrence matrix and its statistical features as a new approach for face recognition
Face recognition gray-level co-occurrence matrix Haralick features
2011/3/22
In this paper, a new face recognition technique is introduced based on the gray-level co-occurrence matrix (GLCM). GLCM represents the distributions of the intensities and the information about relati...