Projective-invariant digital image watermarking technique using four co-planar feature points.
Nopporn ChotikakamthornNatapon PantuwongWiyada YawaiPublished in: ICIP (1) (2005)
Keyphrases
- feature points
- digital images
- watermarking technique
- point correspondences
- digital watermarking
- copyright protection
- image sequences
- projective transformations
- affine transformation
- straight line
- fundamental matrix
- camera parameters
- epipolar geometry
- face images
- watermarking algorithm
- data hiding
- curved surfaces
- image authentication
- camera motion
- keypoints
- missing data
- optical flow
- multiresolution
- multiscale