A robust DCT-2DLDA watermark for color images.
Te-Jen ChangI-Hui PanPing Sheng HuangChen-Hao HuPublished in: Multim. Tools Appl. (2019)
Keyphrases
- color images
- watermark detection
- image watermarking
- digital watermark
- geometric distortions
- robust watermarking scheme
- gray scale
- spatial domain
- transform domain
- digital image watermarking
- watermarking method
- face recognition
- geometric attacks
- digital images
- dct domain
- color information
- spread spectrum
- watermarking scheme
- digital watermarking
- watermarking technique
- jpeg compression
- dct coefficients
- discrete cosine transform
- discrete cosine transformation
- color space
- human visual system
- low bit rate