Authentication and Data Hiding Using a Hybrid ROI-Based Watermarking Scheme for DICOM Images.
Osamah M. Al-QershiBee Ee KhooPublished in: J. Digit. Imaging (2011)
Keyphrases
- data hiding
- watermarking scheme
- spread spectrum
- image authentication
- watermarking technique
- watermarked image
- tamper detection
- error correction
- digital watermarking
- lossy compression
- semi fragile
- image data
- secret data
- geometric distortions
- halftone images
- jpeg images
- spatial domain
- jpeg compression
- information hiding
- input image
- test images
- watermarking algorithm
- watermarking method
- digital images
- original images
- pixel values
- authentication scheme
- gaussian noise