Based on the characteristics of the binary image, we present a digital watermark authentication method with the supervisory relationship of Hamming Code.
结合二值水印图像的特点，运用海明码的监督关系式，首次提出了一种基于海明码的像素级数字水印检测方法。
Based on basic graphs of image labeling, an automaton, with the boundary chain code as its outputs, for the boundary recognition of the two-value digital images, is constructed.
利用图像标定的基本图，为二值图像边界的识别构造了一个自动机，自动机的输出就是边界链编码。
By means of reasonable layout of the Chinese characters machine code table, the complexity of the searches arithmetic based on the digital keyboard is reduced.
通过合理地汉字码表编排，降低数字式行列键盘汉字机内码检索算法实现的复杂度。
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