Lossless data hiding using integer wavelet transform and threshold embedding technique

被引：0
|
作者：
Xuan, GR [1 ]
Shi, YQ [1 ]
Yang, CY [1 ]
Zheng, YZ [1 ]
Zou, DK [1 ]
Chai, PQ [1 ]
机构：
[1] Tongji Univ, Shanghai 200092, Peoples R China
来源：
2005 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO (ICME), VOLS 1 AND 2 | 2005年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper presents a new lossless data hiding method for digital images using integer wavelet transform and threshold embedding technique. Data are embedded into the least significant bit-plane (LSB) of high frequency CDF (2,2) integer wavelet coefficients whose magnitudes are smaller than a certain predefined threshold. Histogram modification is applied as a preprocessing to prevent overflow/underflow. Experimental results show that this scheme outperforms the prior arts in terms of a larger payload (at the same PSNR) or a higher PSNR (at the same payload).
引用
收藏
页码：1521 / 1524
页数：4
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