Image authentication using content based watermark.
Hongmei LiuJunlong LinJiwu HuangPublished in: ISCAS (4) (2005)
Keyphrases
- image authentication
- watermarking scheme
- jpeg compression
- secret information
- digital watermarking
- watermarking algorithm
- copyright protection
- image retrieval
- tamper detection
- watermark embedding
- semi fragile watermarking
- public key
- image content
- watermarking technique
- digital images
- semi fragile
- authentication scheme
- multimedia
- image watermarking
- watermarking method
- discrete wavelet transform
- spread spectrum
- error correction
- geometric distortions
- multiresolution
- digital content
- human visual system