A Robust Multibit Multiplicative Watermark Decoder Using a Vector-Based Hidden Markov Model in Wavelet Domain.
Marzieh AminiM. Omair AhmadM. N. S. SwamyPublished in: IEEE Trans. Circuits Syst. Video Technol. (2018)
Keyphrases
- hidden markov models
- wavelet domain
- image watermarking scheme
- watermarking algorithm
- spatial domain
- image watermarking
- human visual system
- discrete wavelet transform
- denoising
- wavelet coefficients
- wavelet transform
- watermark embedding
- multiresolution
- image denoising
- multiscale
- wavelet decomposition
- subband
- digital image watermarking
- viterbi algorithm
- high frequency
- jpeg compression
- copyright protection
- digital watermarking
- geometric distortions
- watermarking scheme
- frequency domain
- watermark detection
- feature vectors
- signal processing
- spread spectrum
- conditional random fields
- watermarking technique
- feature selection
- hidden semi markov models
- statistical model
- image quality
- low level
- object recognition
- high quality
- similarity measure