Motion-estimation-based registration of geometrically distorted images for watermark recovery.
Patrick LooNick G. KingsburyPublished in: Security and Watermarking of Multimedia Contents (2001)
Keyphrases
- distorted images
- motion estimation
- geometric distortions
- human visual system
- spatial domain
- image registration
- human perception
- watermarking scheme
- video coding
- optical flow
- watermarking algorithm
- video compression
- motion compensation
- image quality
- video sequences
- image quality assessment
- image blocks
- motion vectors
- reference frame
- rate distortion
- inter frame
- digital images
- jpeg compression
- perceptual quality
- image sequences
- focal length
- geometric transformations
- structural similarity
- super resolution
- image pairs
- test images
- visual information
- high resolution
- image data
- watermarking technique
- natural images
- multiscale