Blind digital watermarking of rational Bézier and B-spline curves and surfaces with robustness against affine transformations and Möbius reparameterization.
Song-Hwa KwonTae-wan KimHyeong In ChoiHwan Pyo MoonSung Ha ParkHeon-Ju ShinJungKyo SohnPublished in: Comput. Aided Des. (2011)
Keyphrases
- b spline
- affine transformation
- digital watermarking
- tensor product
- control points
- spline curve
- digital images
- curve matching
- watermarked image
- discrete wavelet transform
- affine invariant
- watermarking scheme
- copyright protection
- basis functions
- curve fitting
- digital content
- least squares
- watermarking technique
- point sets
- jpeg compression
- three dimensional
- geometric transformations
- watermarking algorithm
- range data
- deformation field
- fourier descriptors
- surface reconstruction