Keyphrases
- vector space
- sufficient conditions
- robust image watermarking
- multidimensional scaling
- information hiding
- nonlinear dimensionality reduction
- graph embedding
- structure preserving
- artificial intelligence
- social networks
- image processing
- similarity measure
- expert systems
- wavelet transform
- neural network
- information retrieval
- locality preserving projections
- qualitative decision theory
- real world