Joint near-lossless compression and watermarking of still images for authentication and tamper localization.
Roberto CaldelliFrancesco FilippiniMauro BarniPublished in: Signal Process. Image Commun. (2006)
Keyphrases
- lossy compression
- jpeg images
- lossless compression
- image authentication
- compression algorithm
- image processing operations
- digital watermarking
- image data
- input image
- compression ratio
- image database
- digital images
- image retrieval
- image fidelity
- image compression
- image features
- spread spectrum
- jpeg ls
- fragile watermarking
- compression scheme
- data compression
- image quality
- gray level images
- error correction
- tamper detection