Image Watermarking Method Using Integer-to-Integer Wavelet Transforms

被引：0
|
作者：
陈韬
王京春
机构：
来源：
TsinghuaScienceandTechnology | 2002年 / 05期
关键词：
digital watermark; data hiding; steganography; integer-to-integer wavelet transform;
D O I：
暂无
中图分类号：
TP391.4 [模式识别与装置];
学科分类号：
0811 ; 081101 ; 081104 ; 1405 ;
摘要：
Digital watermarking is an efficient method for copyright protection for text, image, audio, and video data. This paper presents a new image watermarking method based on integer-to-integer wavelet transforms. The watermark is embedded in the significant wavelet coefficients by a simple exclusive OR operation. The method avoids complicated computations and high computer memory requirements that are the main drawbacks of common frequency domain based watermarking algorithms. Simulation results show that the embedded watermark is perceptually invisible and robust to various operations, such as low quality joint picture expert group (JPEG) compression, random and Gaussian noises, and smoothing (mean filtering).
引用
收藏
页码：508 / 512
页数：5
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