Robust image watermarking in the spatial domain
Signal Processing
A Multi-Threshold Wavelet Coder (MTWC) for High Fidelity Image Compression
ICIP '97 Proceedings of the 1997 International Conference on Image Processing (ICIP '97) 3-Volume Set-Volume 1 - Volume 1
Robust DWT-SVD domain image watermarking: embedding data in all frequencies
Proceedings of the 2004 workshop on Multimedia and security
Embedded image coding using zerotrees of wavelet coefficients
IEEE Transactions on Signal Processing
Spatial domain digital watermarking of multimedia objects for buyer authentication
IEEE Transactions on Multimedia
Image-adaptive watermarking using visual models
IEEE Journal on Selected Areas in Communications
Secure spread spectrum watermarking for multimedia
IEEE Transactions on Image Processing
IEEE Transactions on Image Processing
Optimal differential energy watermarking of DCT encoded images and video
IEEE Transactions on Image Processing
Wavelet tree quantization for copyright protection watermarking
IEEE Transactions on Image Processing
An intelligent watermarking method based on particle swarm optimization
Expert Systems with Applications: An International Journal
A new robust reference logo watermarking scheme
Multimedia Tools and Applications
A robust color image watermarking with Singular Value Decomposition method
Advances in Engineering Software
A two-step watermarking attack using long-range correlation image restoration
Security and Communication Networks
An efficient wavelet-tree-based watermarking method
Expert Systems with Applications: An International Journal
Novel robust image watermarking based on subsampling and DWT
Multimedia Tools and Applications
Advanced partial encryption using watermarking and scrambling in MP3
Multimedia Tools and Applications
Perceptual differential energy watermarking for H.264/AVC
Multimedia Tools and Applications
Robust copyright protection scheme for digital images using overlapping DCT and SVD
Applied Soft Computing
A blind digital audio watermarking scheme based on EMD and UISA techniques
Multimedia Tools and Applications
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This paper proposes a wavelet-tree-based watermarking method using distance vector of binary cluster for copyright protection. In the proposed method, wavelet trees are classified into two clusters using the distance vector to denote binary watermark bits. The two smallest wavelet coefficients in a wavelet tree are used to reduce distortion of a watermarked image. The distance vector, which is obtained from the two smallest coefficients of a wavelet tree, is quantized to decrease image distortion. The trees are classified into two clusters so that they exhibit a sufficiently large statistical difference based on the distance vector, which difference is then used for subsequent watermark extraction. We compare the statistical difference and the distance vector of a wavelet tree to decide which watermark bit is embedded in the embedding process. The experimental results show that the watermarked image looks visually identical to the original and the watermark can be effectively extracted upon image processing attacks.