Scrambling-embedding for JPEG compressed image.
Simying OngKokSheik WongKiyoshi TanakaPublished in: Signal Process. (2015)
Keyphrases
- compressed images
- data embedding
- image compression
- image transmission
- visual quality
- compression ratio
- jpeg images
- image resizing
- blocking artifacts
- compressed domain
- blocking effect
- compression rate
- image quality measures
- discrete cosine transform
- reconstructed image
- dct domain
- jpeg compressed images
- bitstream
- image quality
- dct coefficients
- data hiding
- image sequences
- watermarking algorithm
- coding scheme
- optical flow
- multiresolution