Reversible Audio Information Hiding Based on Integer DCT Coefficients with Adaptive Hiding Locations.
Xuping HuangNobutaka OnoIsao EchizenAkira NishimuraPublished in: IWDW (2013)
Keyphrases
- information hiding
- jpeg images
- dct coefficients
- jpeg compression
- discrete cosine transform
- hidden information
- dct domain
- transform domain
- compressed domain
- watermarking algorithm
- multimedia
- compressed images
- low frequency
- data hiding
- feature vectors
- image blocks
- spatial domain
- compression algorithm
- image compression
- lossy compression
- wireless channels
- data embedding
- secret message
- remote sensing images
- visual quality
- signal processing
- optical flow