Recovering Invisible Image Watermarks from Images Distorted by the "StirMark" Algorithm.
Gordon W. BraudawayPublished in: PICS (1999)
Keyphrases
- test images
- segmentation algorithm
- image processing algorithms
- image data
- input image
- region of interest
- image set
- segmentation method
- image statistics
- image features
- gray level images
- image matching
- image collections
- gradient information
- imaging process
- gaussian noise
- image classification
- thresholding algorithm
- normalized correlation
- image retrieval
- gray value
- reconstruction process
- image processing operations
- single image
- restoration algorithm
- grey levels
- preprocessing stage
- synthesized images
- poor quality images
- image segmentation
- edge detection
- image segments
- feature points
- image regions
- matching algorithm
- image processing
- multiscale
- digital images
- false matches
- pixel values
- image watermarking
- interpolation method
- watermarking technique
- singular values
- color constancy
- image blocks