A novel approach of digital image watermarking using HDWT-DCT.
Nadhir Ben HalimaMohammad Ayoub KhanRajiv KumarPublished in: GSCIT (2015)
Keyphrases
- digital image watermarking
- digital watermark
- watermark detection
- discrete cosine transform
- watermarking algorithm
- dct domain
- dct coefficients
- digital watermarking
- geometric attacks
- watermarking scheme
- jpeg compression
- spread spectrum
- transform domain
- image watermarking
- digital images
- watermarking technique
- copyright protection
- image processing operations
- spatial domain
- filter bank
- singular value decomposition
- compressed images
- frequency domain
- post processing
- image processing