Enhancement of image watermark retrieval based on genetic algorithms.
Frank Y. ShihYi-Ta WuPublished in: J. Vis. Commun. Image Represent. (2005)
Keyphrases
- image retrieval
- image processing operations
- genetic algorithm
- geometric distortions
- image content
- image description
- similarity matching
- image data
- image features
- input image
- image classification
- image analysis
- image segmentation
- digital images
- edge detection
- image regions
- image processing
- neural network
- image fidelity
- contrast enhancement
- information retrieval
- auto correlation
- image representation
- high resolution
- multiscale
- digital watermark
- image enhancement
- watermark embedding
- retrieval process
- image collections
- image quality
- image database
- image blocks
- lossy compression
- watermarking scheme
- image watermarking
- spatial domain
- test images
- signal processing
- discrete wavelet transformation