Digital Watermarking for Image AuthenticationBased on Combined DCT, DWT and SVD Transformation.
Mohammad Ibrahim KhanMd. Maklachur RahmanMd. Iqbal Hasan SarkerPublished in: CoRR (2013)
Keyphrases
- digital watermarking
- image scrambling
- digital watermark
- discrete wavelet transform
- watermark detection
- image authentication
- image watermarking
- watermarked image
- digital images
- watermarking technique
- watermarking scheme
- lossy compression
- spread spectrum
- input image
- jpeg compression
- geometric distortions
- copyright protection
- low frequency
- watermarking method
- image data
- watermarking algorithm
- discrete cosine transform
- image segmentation
- image processing operations
- test images
- multiresolution
- digital content
- spatial domain
- singular value decomposition
- high frequency
- wavelet coefficients
- wavelet transform
- multiscale
- pixel values
- feature extraction
- multimedia