High Capacity Reversible Data Hiding for VQ-Compressed Images Based on Difference Transformation and Mapping Technique.
Yuehui LiChin-Chen ChangMingxing HePublished in: IEEE Access (2020)
Keyphrases
- compressed images
- high capacity
- reversible data hiding
- data embedding
- visual quality
- image compression
- data hiding
- compression ratio
- jpeg images
- information hiding
- data storage
- vector quantization
- secret data
- compressed domain
- reconstructed image
- dct domain
- bitstream
- discrete cosine transform
- high quality
- high frequency
- subband
- halftone images
- bit rate
- image quality
- digital images