Fusion on the Wavelet Coefficients Scale-Related for Double Encryption Holographic Halftone Watermark Hidden Technology.
Zifen HeYinhui ZhangPublished in: IEICE Trans. Inf. Syst. (2015)
Keyphrases
- wavelet coefficients
- wavelet transform
- wavelet domain
- discrete wavelet transform
- multiresolution
- multiscale
- subband
- image denoising
- digital watermarking
- watermarking algorithm
- high frequency
- shift invariant
- bit plane
- low frequency
- denoising algorithm
- noisy images
- wavelet decomposition
- digital images
- gray scale
- feature vectors
- image fusion
- filter bank
- jpeg compression
- wavelet based image coding
- spatial domain
- human visual system
- image coding
- image compression
- denoising
- feature space
- image processing
- quantization scheme
- computer vision