A novel hybrid DCT and DWT based robust watermarking algorithm for color images.
Ahmed Khaleel AbdulrahmanSerkan OzturkPublished in: Multim. Tools Appl. (2019)
Keyphrases
- image watermarking
- watermarking algorithm
- geometric attacks
- jpeg compression
- color images
- watermark detection
- dct coefficients
- spread spectrum
- semi fragile
- digital image watermarking
- wavelet domain
- digital watermark
- digital watermarking
- signal processing
- lossy compression
- geometric distortions
- discrete wavelet transform
- watermarking scheme
- watermarking technique
- jpeg images
- copyright protection
- discrete cosine transform
- multiresolution
- dct domain
- median filtering
- wavelet coefficients
- watermarking method
- gray scale
- image authentication
- pattern recognition
- image processing
- high resolution
- denoising
- subband
- transform domain
- spatial domain
- filter bank