Robust information hiding in low-resolution videos with quantization index modulation in DCT-CS domain.
Huimin ZhaoQingyun DaiJinchang RenWenguo WeiYinyin XiaoChunying LiPublished in: Multim. Tools Appl. (2018)
Keyphrases
- low resolution
- information hiding
- high resolution
- data hiding
- super resolution
- jpeg images
- high quality
- spatial domain
- face images
- video sequences
- video analysis
- watermarking technique
- discrete cosine transform
- video data
- test images
- error correction
- image processing
- video frames
- bitstream
- computational complexity
- image compression
- high frequency
- dct coefficients
- dct domain
- jpeg compression
- optical flow
- multiscale