Visually Encrypted Watermarking for Ordered-Dithered Clustered-Dot Halftones.
Jing-Ming GuoSankarasrinivasan SeshathiriPublished in: IEEE Trans. Circuits Syst. Video Technol. (2023)
Keyphrases
- halftone images
- data hiding
- halftoning algorithm
- continuous tone images
- direct binary search
- inverse halftoning
- spread spectrum
- gray scale
- blue noise
- error diffusion
- error correction
- black and white
- watermarking technique
- digital images
- information hiding
- spatial domain
- watermarking algorithm
- original images
- grayscale images
- image authentication
- watermarking scheme
- image quality
- image watermarking
- fragile watermarking
- encryption key
- robust image watermarking
- high quality
- digital watermarking
- encryption scheme
- gray level
- wavelet transform