Implementation of Secured and Robust DFT-Based Image Watermark Through Hybridization with Decomposition Algorithm.
Mahbuba BegumMohammad Shorif UddinPublished in: SN Comput. Sci. (2021)
Keyphrases
- geometric distortions
- decomposition algorithm
- watermarking technique
- robust watermarking scheme
- image watermarking
- geometric attacks
- input image
- image features
- discrete fourier transform
- image retrieval
- watermarking scheme
- watermark detection
- image processing operations
- test images
- image classification
- digital images
- multiscale
- digital image watermarking
- watermarking method
- transform domain
- image blocks
- data hiding
- pixel values
- tampering detection
- frequency domain
- discrete wavelet transformation
- image processing
- working set
- copyright protection
- fourier transform
- feature extraction