High-Imperceptibility Data Hiding Scheme for JPEG Images Based on Direction Modification.
Li LiuJing LiYingchun WuChin-Chen ChangAnhong WangPublished in: Comput. Syst. Sci. Eng. (2023)
Keyphrases
- jpeg images
- data hiding
- high robustness
- information hiding
- jpeg compression
- error correction
- dct coefficients
- discrete cosine transform
- compressed images
- secret data
- data embedding
- cover image
- lossy compression
- image data
- reversible data hiding
- image watermarking
- watermark embedding
- spatial domain
- peak signal to noise ratio
- spread spectrum
- watermarking algorithm
- digital images
- wavelet transform
- high quality
- image processing