Block-DCT based alterable-coding restorable fragile watermarking scheme with superior localization.
Omer HemidaYaoran HuoFan ChenHongjie HePublished in: APSIPA (2017)
Keyphrases
- transform coefficients
- fragile watermarking scheme
- coding scheme
- fragile watermarking
- transform domain
- dct coefficients
- coded images
- image compression
- high bit rate
- mpeg video
- discrete cosine transform
- block size
- finite state vector quantization
- reconstructed image
- video coder
- subband
- intra coding
- blocking artifacts
- block matching
- block coding
- index table
- rate distortion
- motion compensated
- coding method
- block codes
- image quality
- motion estimation
- intra frame
- bit rate
- video signals
- image blocks
- compressed images
- significant bit
- dct domain
- video coding
- coding efficiency