Reversible Data Embedding for MPEG-4 Video Using Middle Frequency DCT Coefficients.
Sagar GujjunooriB. B. AmberkerPublished in: J. Inf. Hiding Multim. Signal Process. (2014)
Keyphrases
- mpeg video
- compressed domain
- dct coefficients
- dct domain
- motion vectors
- bitstream
- video analysis
- jpeg compression
- low frequency
- compressed images
- jpeg images
- video objects
- inter frame
- data embedding
- discrete cosine transform
- secret data
- watermarking technique
- macroblock
- high frequency
- bit rate
- feature vectors
- multiscale
- compression algorithm
- image compression
- high resolution
- video sequences
- feature extraction
- image processing