Abstract
This paper presents a novel reversible data-embedding method for digital images using integer wavelet transform and companding technique. This scheme takes advantage of the Laplacian-like distribution of integer wavelet coefficients in high frequency subbands, which facilitates the selection of compression and expansion functions and keeps the distortion small between the marked image and the original one. Experimental results show that this scheme outperforms the state-of-the-art reversible data hiding schemes.
Original language | English (US) |
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Pages (from-to) | 115-124 |
Number of pages | 10 |
Journal | Lecture Notes in Computer Science |
Volume | 3304 |
DOIs | |
State | Published - 2005 |
Event | Third International Workshop on Digital Watermarking, IWDW 2004 - Seoul, Korea, Republic of Duration: Oct 30 2004 → Nov 1 2004 |
All Science Journal Classification (ASJC) codes
- Theoretical Computer Science
- General Computer Science