Non-negative dictionary learning for paper watermark similarity.
David PicardThomas HennGeorg DietzPublished in: ACSSC (2016)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- similarity measure
- image super resolution
- sparse codes
- watermarking scheme
- group sparsity
- object category recognition
- distance measure
- image classification
- face recognition
- bayesian networks
- data sets
- image representation
- watermarking algorithm
- dimensionality reduction
- higher order
- clustering algorithm
- learning algorithm