Efficient Image Tamper Detection and Recovery Technique using Dual Watermark.
Surya Bhagavan ChaluvadiMunaga V. N. K. PrasadPublished in: NaBIC (2009)
Keyphrases
- tamper detection
- image authentication
- data hiding
- image data
- semi fragile
- image content
- public key
- watermarking scheme
- watermarking technique
- image features
- multiscale
- copyright protection
- jpeg compression
- image regions
- geometric distortions
- digital watermarking
- image retrieval
- watermarking algorithm
- test images
- lossy compression
- authentication scheme
- pixel values
- additive noise
- gray level images
- image representation
- image classification
- high resolution
- digital images