Block Based Blind & Secure Gray Image Watermarking Technique Based on Discrete Wavelet Transform and Singular Value Decomposition.
Muhammad ImranBruce A. HarveyPublished in: KSII Trans. Internet Inf. Syst. (2017)
Keyphrases
- singular value decomposition
- discrete wavelet transform
- digital watermarking
- gray images
- low pass
- watermarking technique
- multiresolution
- wavelet domain
- high frequency
- subband
- digital images
- black and white
- data compression
- singular values
- wavelet coefficients
- binary images
- low frequency
- least squares
- dimensionality reduction
- color images
- jpeg compression
- image fusion
- gray level
- principal component analysis
- wavelet transform
- copyright protection
- motion estimation
- data hiding
- local binary pattern
- watermarking algorithm
- watermarking scheme
- edge detection
- filter bank
- frequency domain
- natural images
- denoising
- image registration
- high resolution