一种基于提升小波变换的数字图像隐藏方法

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Method for image hidding based on lifting wavelet transform

WANG Ya-dong¹, GUAN Yu-jing², ZOU Xi²

1. Department of Mathematics and Statistics, Queen's University, Kingston K7L 3N6, Canada;2. Institute of Mathematics, Jilin University, Changchun 130012, China

Received:2003-05-05 Revised:1900-01-01 Online:2004-01-26 Published:2004-01-26
Contact: GUAN Yu-jing

Abstract

Abstract: Based on human vision and wavelet packets, we gave a me thod hiding gray digital image. The size of hidden image is 1/4 of that of origi nal image. This method can be applied to both hiding data and digital watermark by choosing an adaptive scale factor and it is robust for some image processing (such as JPEG compressing). From the given examples it is proved that this met hod is efficient.

Key words: information hidding, digital watermarking, lifting, wavelet transform

CLC Number:

TP391

WANG Ya-dong, GUAN Yu-jing, ZOU Xi. Method for image hidding based on lifting wavelet transform[J].J4, 2004, 42(01): 67-72.

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Method for image hidding based on lifting wavelet transform

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