An image-adaptive watermark based on a redundant wavelet transform.
Jian-Guo CaoJames E. FowlerNicolas H. YounanPublished in: ICIP (2) (2001)
Keyphrases
- wavelet transform
- multiscale
- image features
- image blocks
- low frequency
- image data
- image content
- input image
- image processing operations
- image retrieval
- filter coefficients
- geometric distortions
- test images
- image segmentation
- wavelet decomposition
- multiresolution
- watermarking technique
- digital watermark
- image coding
- digital images
- multi resolution analysis
- auto correlation
- image regions
- watermarking method
- image fidelity
- high resolution
- robust watermarking scheme
- discrete wavelet transformation
- watermarking scheme
- multiresolution representation
- image authentication
- watermark embedding
- image watermarking
- edge detection
- feature extraction