A secure non-blind block based digital image watermarking technique using DWT and DCT.
Ranjan Kumar AryaShalu SinghRavi SaharanPublished in: ICACCI (2015)
Keyphrases
- digital images
- watermarking technique
- watermark extraction
- discrete cosine transform
- image watermarking
- digital watermarking
- digital watermark
- lossy compression
- watermark detection
- copyright protection
- jpeg compression
- image compression
- dct coefficients
- spread spectrum
- jpeg images
- discrete wavelet transform
- image blocks
- watermarked image
- transform domain
- dct domain
- watermarking scheme
- data hiding
- compressed domain
- image authentication
- filter bank
- geometric distortions
- watermarking algorithm
- multiresolution
- black and white
- image processing
- spatial domain
- motion compensation
- authentication scheme
- digital libraries