Thresholding for edge detection using human psychovisual phenomena
Pattern Recognition Letters
The cortex transform: rapid computation of simulated neural images
Computer Vision, Graphics, and Image Processing
Segmentation using contrast and homogeneity measures
Pattern Recognition Letters
A Stochastic Approach to Content Adaptive Digital Image Watermarking
IH '99 Proceedings of the Third International Workshop on Information Hiding
Second Generation Benchmarking and Application Oriented Evaluation
IHW '01 Proceedings of the 4th International Workshop on Information Hiding
A Robust Digital Image Watermarking Scheme Using the Wavelet-Based Fusion
ICIP '97 Proceedings of the 1997 International Conference on Image Processing (ICIP '97) 3-Volume Set-Volume 1 - Volume 1
A Robust Digital Image Watermarking Scheme Using the Wavelet-Based Fusion
ICIP '97 Proceedings of the 1997 International Conference on Image Processing (ICIP '97) 3-Volume Set-Volume 1 - Volume 1
Improved estimation for just-noticeable visual distortion
Signal Processing
Watermarking Systems Engineering (Signal Processing and Communications, 21)
Watermarking Systems Engineering (Signal Processing and Communications, 21)
Just-noticeable difference estimation with pixels in images
Journal of Visual Communication and Image Representation
A blind image watermarking using multiresolution visibility map
Journal of Global Optimization
Optimum Detection for Spread-Spectrum Watermarking That Employs Self-Masking
IEEE Transactions on Information Forensics and Security
An additive approach to transform-domain information hiding andoptimum detection structure
IEEE Transactions on Multimedia
Visibility of wavelet quantization noise
IEEE Transactions on Image Processing
IEEE Transactions on Image Processing
A vision-based masking model for spread-spectrum image watermarking
IEEE Transactions on Image Processing
Asymptotically optimal detection for additive watermarking in the DCT and DWT domains
IEEE Transactions on Image Processing
Locally optimum nonlinearities for DCT watermark detection
IEEE Transactions on Image Processing
JPEG2000 encoding with perceptual distortion control
IEEE Transactions on Image Processing
A perceptually tuned subband image coder based on the measure of just-noticeable-distortion profile
IEEE Transactions on Circuits and Systems for Video Technology
Motion-compensated residue preprocessing in video coding based on just-noticeable-distortion profile
IEEE Transactions on Circuits and Systems for Video Technology
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In this paper, a new watermarking scheme based on Human Visual System (HVS) modeling is proposed. The approach consists in building computational models which take into account the most common properties of the HVS that can be exploited for watermarking. Two schemes for embedding and controlling the transparency of the watermark are presented, namely the implicit and the explicit schemes. Both schemes are designed in the framework of the pyramidal decomposition which has been shown to be a powerful tool for analyzing image through a multi-scale representation. For the first approach, a multi-scale visibility map is used to optimize the watermark embedding process. The second approach makes use of HVS properties in an explicit and more sophisticated manner that consists in tuning the watermark strength just beneath the visual detection threshold. A new JND (Just-Noticeable-Difference) model for determining this threshold is then proposed and evaluated. The obtained results provide a strong support for this new JND model.