DCT-Based Watermark Recovering Without Resorting to the Uncorrupted Original Image.
Alessandro PivaMauro BarniFranco BartoliniVito CappelliniPublished in: ICIP (1) (1997)
Keyphrases
- input image
- image features
- image data
- image retrieval
- watermarked image
- image processing operations
- high resolution
- image segmentation
- edge detection
- geometric distortions
- watermarking method
- original images
- multiscale
- image watermarking
- image blocks
- digital images
- auto correlation
- spatial domain
- geometric attacks
- discrete cosine transformation
- image details
- lossy compression
- transform domain
- watermarking scheme
- filter bank
- image compression