The Use of Watermark for the Authentication of Digital Images Mapped Through the Use of the Wavelet Transform.
Fernanda MendesJamil Salem BarbarGustavo S. B. do CarmoPublished in: Security and Management (2007)
Keyphrases
- digital images
- wavelet transform
- digital watermarking
- copyright protection
- watermarking technique
- image authentication
- multiresolution
- image coding
- jpeg compression
- image compression
- high frequency
- multiscale
- subband
- semi fragile
- wavelet coefficients
- wavelet analysis
- image watermarking
- watermark detection
- digital watermark
- watermarking method
- spread spectrum
- low frequency
- integrity verification
- semi fragile watermarking
- wavelet domain
- feature extraction
- authentication scheme
- multiresolution analysis
- watermarked image
- black and white
- discrete wavelet transform
- lifting scheme
- authentication protocol
- user authentication
- filter bank
- haar wavelet
- forgery detection
- smart card