The Design and Use of Steerable Filters
IEEE Transactions on Pattern Analysis and Machine Intelligence
Digital watermarking
A robust multi-bit image watermarking algorithm based on HMM in wavelet domain
IWDW'05 Proceedings of the 4th international conference on Digital Watermarking
Rotation, scale, and translation resilient watermarking for images
IEEE Transactions on Image Processing
Analysis and design of watermarking algorithms for improved resistance to compression
IEEE Transactions on Image Processing
A DWT-DFT composite watermarking scheme robust to both affine transform and JPEG compression
IEEE Transactions on Circuits and Systems for Video Technology
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Robustness and security are the key issues in the development of image watermarking algorithm. A new rotation invariant security image watermarking algorithm based on steerable pyramid transform is proposed in this paper. The algorithm is characterized as follows: (1) the rotation invariance and robust watermarking are achieved concurrently on the same transform domain; (2) the rotation synchronization is obtained through template matching by using steerable pyramid transform, which satisfies the shiftability in orientation condition; (3) the watermarks are embedded into an oriented subband at angle θ, which can be interpolated with base filter kernels and used as a key in watermark detection to increase the security of watermark; (4) the watermark detector is designed based on the steerable vector HMM model. High robustness is observed against StirMark attacks and their joint attacks.