Robust and discriminative image authentication based on sparse coding.
Luntian MouTiejun HuangYonghong TianShiguo LianXilin ChenPublished in: CCNC (2011)
Keyphrases
- sparse coding
- image authentication
- sparse codes
- object category recognition
- dictionary learning
- sparse representation
- unsupervised learning
- natural images
- linear combination
- image classification
- public key
- image representation
- jpeg compression
- discriminative dictionary
- generative model
- watermarking scheme
- object recognition
- feature extraction
- visual words
- semi supervised
- face recognition
- image content