Hierarchical recovery for tampered images based on watermark self-embedding.
Fang CaoBowen AnJinwei WangDengpan YeHuili WangPublished in: Displays (2017)
Keyphrases
- digital images
- watermarked image
- image data
- watermark embedding
- image database
- image blocks
- input image
- robust image watermarking
- image features
- watermarking scheme
- geometric distortions
- test images
- image retrieval
- watermarking algorithm
- image regions
- copyright protection
- jpeg images
- edge detection
- spatial domain
- discrete wavelet transformation
- image watermarking
- lossy compression
- jpeg compression
- gaussian noise
- digital watermarking
- watermarking method
- image processing operations
- digital image watermarking scheme