A blind robust color image watermarking method based on discrete wavelet transform and discrete cosine transform using grayscale watermark image.
Ertugrul GulPublished in: Concurr. Comput. Pract. Exp. (2022)
Keyphrases
- watermarking method
- digital watermarking
- gray scale
- discrete wavelet transform
- watermark detection
- color images
- jpeg images
- watermarked image
- image watermarking
- semi fragile
- jpeg compression
- discrete cosine transform
- dct coefficients
- watermarking scheme
- watermarking algorithm
- grayscale images
- watermarking technique
- wavelet domain
- spread spectrum
- digital images
- copyright protection
- dct domain
- spatial domain
- subband
- image compression
- multiresolution
- watermark embedding
- binary images
- high frequency
- wavelet coefficients
- lossy compression
- low frequency
- image fusion
- image blocks
- gray level
- image processing
- compressed images
- compression algorithm
- geometric distortions
- transform domain
- additive noise
- signal processing
- image data
- high quality
- compressed domain
- singular values
- error diffusion
- input image
- wavelet transform
- high resolution
- computer vision