Robust Image Watermarking Based on Minimal DCT-Quantization Errors.
Yong-Jun RyuKeun-Young LeePublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2002)
Keyphrases
- quantization error
- robust image watermarking
- discrete cosine transform
- quantization noise
- blocking artifacts
- additive noise
- spatial domain
- reconstruction error
- image compression
- transform domain
- error diffusion
- dct coefficients
- post processing
- low bit rate
- dct domain
- coded images
- image data
- text mining
- motion estimation