Robust Complementary Dual Image Watermarking in Subbands Derived from the Laplacian Pyramid, Discrete Wavelet Transform, and Directional Filter Bank.
Hwai-Tsu HuTung-Tsun LeePublished in: Circuits Syst. Signal Process. (2022)
Keyphrases
- discrete wavelet transform
- image watermarking
- subband
- filter bank
- laplacian pyramid
- contourlet transform
- multiresolution
- wavelet coefficients
- wavelet transform
- wavelet domain
- bit rate
- image compression
- jpeg compression
- low pass
- high frequency
- wavelet filters
- digital watermarking
- feature vectors
- wavelet packet
- wavelet decomposition
- frequency domain
- low frequency
- shift invariant
- frequency band
- discrete cosine transform
- visual quality
- multiscale
- lifting scheme
- bitstream
- image fusion
- geometric distortions
- compression algorithm
- image processing