New Quantization Technique in Semi-fragile Digital Watermarking for Image Authentication.
Raghu GantasalaMunaga V. N. K. PrasadPublished in: ICISTM (2009)
Keyphrases
- image authentication
- digital watermarking
- semi fragile
- watermark embedding
- watermarking scheme
- tamper detection
- copyright protection
- digital images
- discrete wavelet transform
- watermarking algorithm
- jpeg compression
- image watermarking
- spread spectrum
- watermarking method
- digital signature
- watermarking technique
- lossy compression
- public key
- digital content
- signal processing
- image processing