Wavelet-based blind watermarking of 3D models
Proceedings of the 2004 workshop on Multimedia and security
JPEG2000-based secure image authentication
MM&Sec '06 Proceedings of the 8th workshop on Multimedia and security
Robust SS watermarking with improved capacity
Pattern Recognition Letters
An image adaptive, wavelet-based watermarking of digital images
Journal of Computational and Applied Mathematics
A robust watermarking scheme using self-reference image
Computer Standards & Interfaces
A survey of approaches and challenges in 3D and multi-modal 3D+2D face recognition
Computer Vision and Image Understanding
An Efficient Watermarking Method Based on Significant Difference of Wavelet Coefficient Quantization
IEEE Transactions on Multimedia
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An adaptive spread spectrum synchronous scalable(A4S) data hiding strategy is being put forward to integrate the disparate 3D facial visualization data, into a single JPEG2000 format file with the aim to cater diverse clients in various bandwidth scenarios. The method is both robust and imperceptible in the sense that the robustness of the spread spectrum (SS) is coupled with the removable embedding that ensures highest possible visualization quality. The SS embedding of the DWT-domain 2.5D facial model is carried out in the transform domain YCrCb components, of the 2D texture, from the coding stream of JPEG2000 codec just after the DWT stage. High depth map quality is ensured through the adaptation of synchronization during embedding that would exclude some highest frequency subbands. The results show that the method can be exploited for video-surveillance and videoconference applications.