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。
This paper brings forward a text embedding digital watermarking method based on image's DWT domain, meanwhile, using the chaotic sequences to encrypt the text data and BCH code to correct them.
提出了一种在图像小波域中嵌入文字的新型鲁棒水印算法，并对嵌入的文字进行混沌加密和BCH纠错编码。
This paper proposed a way of high density bipolar three HDB3 code based on ISP(in-system programmable digital circuits)device.
提出了一种采用ISP大规模可编程器件实现高密度HDB3码的一种实验方法。
Digital signals turn the complexity of the real world into a code based on the Numbers 0 and 1, or, in electrical terms, plus and minus.
数字信号将人世间纷繁复杂的事物变为数字“0”和“1”用电学术语来说，也就是正和负。
Based on digital image processing and combined coding theory, two-dimensional matrix bar code is a symbol system processed automatically using image recognition technology.
作为二维条码的一种，矩阵式的二维条码是建立在计算机图像处理技术、组合编码原理等基础上的一种图形符号自动识读处理码制。
A digital GPS PN code acquisition circuit based on direct IF sampling is presented.
文中提出了基于直接中频采样的数字化GPS接收机码捕获电路。
A new kind of electronic and mechanical antitheft lock using digital code based on the technologies of PIC single-chip microcomputer, serial communication and wireless data transmission is introduced.
本文介绍了基于PIC单片机、串行通信技术和无线数据传输的新型数码防盗电子机械锁的设计。
A new kind of electronic and mechanical antitheft lock using digital code based on the technologies of PIC single-chip microcomputer, serial communication and wireless data transmission is introduced.
本文介绍了基于PIC单片机、串行通信技术和无线数据传输的新型数码防盗电子机械锁的设计。
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