Digital image watermarking method based on DCT and fractal encoding.
Shuai LiuZheng PanHoubing SongPublished in: IET Image Process. (2017)
Keyphrases
- digital images
- watermarking method
- watermarked image
- digital watermarking
- jpeg images
- copyright protection
- dct coefficients
- discrete cosine transform
- jpeg compression
- spread spectrum
- image watermarking
- transform domain
- image blocks
- watermarking technique
- image compression
- image authentication
- watermarking algorithm
- spatial domain
- dct domain
- compressed domain
- low bit rate
- discrete wavelet transform
- compression algorithm
- binary images
- post processing
- signal processing