Perceptual hash based blind geometric synchronization of images for watermarking.
Baris CoskunMehmet Kivanç MihçakPublished in: Security, Forensics, Steganography, and Watermarking of Multimedia Contents (2008)
Keyphrases
- image database
- three dimensional
- geometric information
- image fidelity
- image analysis
- input image
- image data
- image classification
- test images
- geometric transformations
- geometric structure
- geometric constraints
- image collections
- object recognition
- image retrieval
- image features
- lossy compression
- segmentation algorithm
- image set
- visual features
- image matching
- feature points
- image quality
- digital images
- geometric features
- human visual system
- digital watermarking
- jpeg images
- spread spectrum
- perceptual quality
- image processing operations