Keyphrases
- image processing
- image processing operations
- multiscale
- edge detection
- image segmentation
- input image
- high resolution
- image data
- denoising
- single image
- image content
- digital watermark
- image classification
- image retrieval
- digital images
- image representation
- image watermarking
- image features
- geometric distortions
- integrity verification
- geometric attacks
- fragile watermarking
- cover image
- spread spectrum
- watermarking technique
- pixel values
- test images
- image regions