On Improving Distortion Functions for JPEG Steganography.
Zichi WangZhenxing QianXinpeng ZhangMin YangDengpan YePublished in: IEEE Access (2018)
Keyphrases
- jpeg images
- adaptive quantization
- image coding
- image compression
- compressed images
- data embedding
- vector quantizer
- perceptual image quality
- compression algorithm
- perceptual distortion
- bit allocation
- image quality measures
- wavelet transform
- visual quality
- information hiding
- hidden information
- coded images
- shape coding
- jpeg compressed images
- error propagation
- dct coefficients