Image Watermarking for Quality Control Based on Modified Key-Dependent DCT Basis Functions.
Vassilis E. FotopoulosAthanassios N. SkodrasPublished in: DSP (2007)
Keyphrases
- basis functions
- quality control
- image watermarking
- linear combination
- machine vision
- digital watermark
- b spline
- watermarking algorithm
- manufacturing systems
- discrete wavelet transform
- dct coefficients
- jpeg compression
- discrete cosine transform
- image compression
- geometric distortions
- set of basis functions
- copyright protection
- state space
- lossy compression
- image sequences
- additive noise
- transform domain
- digital watermarking
- denoising