Digital image watermarking based on angle quantization in discrete contourlet transform.
Abdulmawla NajihS. A. R. Al-HaddadAbd. Rahman bin RamliShaiful J. HashimMohammad Ali NematollahiPublished in: J. King Saud Univ. Comput. Inf. Sci. (2017)
Keyphrases
- digital image watermarking
- contourlet transform
- translation invariant
- multiscale
- wavelet packet
- subband
- multiresolution
- high frequency
- wavelet transform
- image denoising
- denoising
- low frequency
- discrete wavelet transform
- image fusion
- image representation
- texture images
- frequency domain
- computer vision
- image compression
- watermarking technique
- image classification
- digital libraries
- image processing