Information hiding is an interlaced subject, which is built on the basis of mathematics, modern cryptography, information processing theory, and computer applied techniques.
信息隐藏技术是一门建立在数学、现代密码学、信息处理理论和计算机应用技术基础上的交叉性学科。
As modern information techniques, Remote Sensing and GIS will be important means in such kind of research because of their advantages in spatial orientation, information extracting and processing.
新兴的遥感与GIS技术由于其在空间定位、信息获取、信息处理等方面的优势，必将成为该领域的重要研究手段。
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