根据不变嵌入原理来寻找最优策略，给出了多阶段SUE配流模型与算法。
The optimum strategy based on fixed embedding principle is determined and a multi-period SUE assignment model as well as the algorithm is given.
根据数码相机的工作原理，提出用数码相机拍照时，自动在JPEG压缩过程中嵌入数字水印。
Based on the working principles of digital camera, we present that digital watermarking is automatically embedded in photograph when digital camera compress photograph into JPEG stored format.
本文介绍了该芯片的主要功能和工作原理，并结合三星S3C440BX分析该芯片在嵌入式网络系统中使用时的软硬件设计。
The paper introduces its main function and operation principle, then analyses its hardware and software using in Embedded network system base on chip S3C440BX of Samsung.
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