Wavelet packets-based digital watermarking for image verification and authentication.
Alexandre H. PaquetRabab K. WardIoannis PitasPublished in: Signal Process. (2003)
Keyphrases
- digital watermarking
- image authentication
- digital watermark
- watermarking technique
- copyright protection
- watermarked image
- digital images
- image data
- multiscale
- wavelet packet
- input image
- image retrieval
- watermarking scheme
- image features
- image segmentation
- geometric distortions
- wavelet decomposition
- image representation
- image classification
- discrete wavelet transform
- lossy compression
- high frequency
- image analysis
- public key
- filter bank
- high resolution
- edge detection
- natural images
- digital content
- subband
- pixel values
- data structure
- high quality
- computer vision