A reversible data hiding scheme in JPEG bitstreams using DCT coefficients truncation.
Mingming ZhangQuan ZhouYan-lang HuPublished in: KSII Trans. Internet Inf. Syst. (2020)
Keyphrases
- dct coefficients
- compressed domain
- macroblock
- bitstream
- dct domain
- discrete cosine transform
- bit rate
- motion vectors
- video coding
- jpeg compression
- rate distortion
- reversible data hiding
- jpeg images
- transform domain
- compressed images
- reference frame
- motion estimation
- inter frame
- selection algorithm
- data hiding
- error concealment
- video compression
- video quality
- coding scheme
- video analysis
- blocking artifacts
- compression algorithm
- feature vectors
- watermarking algorithm
- image blocks
- low bit rate
- image quality
- feature extraction
- reconstructed image
- motion compensation
- bit plane
- feature space
- computational complexity