A high-efficiency blind watermarking algorithm for double color image using Walsh Hadamard transform.
Siyu ChenQingtang SuHuanying WangGang WangPublished in: Vis. Comput. (2022)
Keyphrases
- high efficiency
- watermarking algorithm
- color images
- walsh hadamard transform
- sliding window
- signal processing
- watermark extraction
- jpeg compression
- high accuracy
- wavelet domain
- image watermarking
- copyright protection
- image processing
- watermarking scheme
- data streams
- digital watermarking
- watermarking technique
- discrete wavelet transform
- pattern recognition
- dct coefficients
- wavelet coefficients
- gray images
- feature extraction
- image sequences