Extraction of multiresolution watermark images for resolving rightful ownership.
Wenjun ZengBede LiuShawmin LeiPublished in: Security and Watermarking of Multimedia Contents (1999)
Keyphrases
- multiresolution
- image data
- input image
- image database
- image analysis
- image features
- image classification
- image processing operations
- higher resolution
- image pyramid
- multiresolution representation
- coarse to fine strategy
- object recognition
- digital watermarking
- quadtree
- test images
- edge detection
- image registration
- wavelet transform
- error correction
- discrete wavelet transformation
- image regions
- geometric distortions
- digital images
- digital watermark
- low depth of field
- copyright protection
- lossy compression
- image blocks
- image retrieval