A blind digital watermark technique for color image based on integer wavelet transform and SIFT.
C. G. ThoratB. D. JadhavPublished in: Biometrics Technology (2010)
Keyphrases
- digital watermark
- lossy compression
- jpeg compression
- color images
- digital watermarking
- discrete wavelet transform
- lossless compression
- image authentication
- copyright protection
- computer vision
- geometric distortions
- image watermarking
- image regions
- watermarking scheme
- watermarking algorithm
- gray level images
- multiresolution
- compression ratio
- image processing
- feature extraction
- multiscale
- image retrieval
- visual quality
- wavelet coefficients
- image compression
- image features