DCT-based color digital image blind watermarking method with variable steps.
Zihan YuanDecheng LiuXueting ZhangHuanying WangQingtang SuPublished in: Multim. Tools Appl. (2020)
Keyphrases
- digital images
- watermarking method
- digital watermarking
- copyright protection
- digital imaging
- watermarked image
- color images
- image compression
- watermarking scheme
- watermarking technique
- watermark detection
- black and white
- image authentication
- jpeg compression
- discrete cosine transform
- discrete wavelet transform
- image watermarking
- spread spectrum
- dct domain
- spatial domain
- digital libraries