Secure and robust color image dual watermarking based on LWT-DCT-SVD.
Aditi ZearPradeep Kumar SinghPublished in: Multim. Tools Appl. (2022)
Keyphrases
- color images
- watermark detection
- digital images
- singular value decomposition
- image watermarking
- digital image watermarking
- digital watermark
- watermarking algorithm
- color space
- dct coefficients
- watermarking technique
- digital watermarking
- spread spectrum
- image processing
- discrete cosine transform
- security analysis
- color texture
- color information