Data hiding in image and video: Part I - Fundamental issues and solutions

被引:148
作者
Wu, M [1 ]
Liu, B
机构
[1] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA
[2] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
基金
美国国家科学基金会;
关键词
data hiding; digital watermarking; embedding capacity; modulation and multiplexing; shuffle;
D O I
10.1109/TIP.2003.810588
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In this Part I of a two-part paper, we address a number of fundamental issues of data hiding in image and video and propose general solutions to them. We begin with a review of two major types of embedding, based on which we propose a new multilevel embedding framework to allow the amount of extractable data to be adaptive according to the actual noise condition. We then study the issues of hiding multiple bits through a comparison of various modulation and multiplexing techniques. Finally, the nonstationary nature of visual signals leads to highly uneven distribution of embedding capacity and causes difficulty in data hiding. We propose an adaptive solution switching between using constant embedding rate with shuffling and using variable embedding rate with embedded control bits. We verify the effectiveness of our proposed solutions through analysis and simulation. And Part II [1] will apply these solutions to specific design problems for embedding data in grayscale and color images and video.
引用
收藏
页码:685 / 695
页数:11
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