Embedding location map is a commonly used method for image data hiding; however, it has little payload and the visual effect is not good enough.
嵌入位置图法是目前国内外普遍应用的图像数据隐藏方法，但其嵌入量不够大，图像的视觉效果也一般。
In this article, we introduce matrix coding and its application in image data hiding briefly. This algorithm can improve the security of data hiding.
该文通过介绍矩阵编码及其在信息伪装算法中的应用，说明了矩阵编码可以提高信息伪装系统的安全性。
To present an summary and overview of recent developments on binary image information hiding, and discuss some important issues of those techniques such as robustness and data hiding capacity.
总结概述了近年来二值图像的一些研究成果，并对这些研究成果的鲁棒性和隐藏容量等问题做了一个简要比较与讨论。
Based on analyzing the specialty of binary image information hiding, a secure and high capacity algorithm for hiding data into binary images is proposed.
研究了二值图像信息隐藏的特殊性，提出了一种安全大容量的二值图像信息隐藏算法。
A novel lossless data-hiding scheme is presented by which the original image can be restored without error after extraction of an embedded message.
提出一种无损信息隐藏方法，接收端不但可以提取额外嵌入的秘密信息，而且可以无损恢复原始图像。
Therefore, a lossless data hiding scheme of histogram pair was proposed based on multi-gray image authenticity certification.
针对此不足，提出一种基于多灰度图像真实性认证的直方图对无损数据隐藏新方法。
The aim of information hiding is to hide the secret data into multimedia, such as digital image, sound, video and etc.
信息隐藏的目的是在图像、音频、视频、文本文档等数字媒体信号中嵌入不可觉察的隐蔽数据。
To improve the iris feature template data security, a data hiding approach based on bit streams is proposed, in which an iris feature template is embedded into a face image.
本文针对虹膜识别，提出了一种基于比特流的数据隐藏方法以增强虹膜特征模板数据的安全，可以应用于目前几种主要的虹膜识别算法。
In this dissertation, some algorithms of data hiding based on the digital image, text and audio are developed from the practical points of view.
本文从工程实用的角度出发，研究了在图象、文本和音频中信息隐藏的技术。
This paper introduces how to use DCT (discrete-cosine transform) in data-hiding technology in image, and its fundamental theory and algorithms, special improvements of existing algorithms.
该文主要介绍了如何利用离散余弦变换(DCT)实现对于图象文件的数据隐藏技术，详细说明了该技术的基本原理和实现方法，以及对现有算法的改进。
This paper introduces how to use DCT (discrete-cosine transform) in data-hiding technology in image, and its fundamental theory and algorithms, special improvements of existing algorithms.
该文主要介绍了如何利用离散余弦变换(DCT)实现对于图象文件的数据隐藏技术，详细说明了该技术的基本原理和实现方法，以及对现有算法的改进。
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