Collusion-aware traitor tracing in multimedia fingerprinting using sparse signal approximation.
David P. VarodayanChristine PépinPublished in: ICASSP (2008)
Keyphrases
- multimedia
- signal recovery
- compressive sensing
- signal processing
- signal reconstruction
- sparse approximation
- approximation error
- sparse data
- frequency domain
- error bounds
- multimedia data
- multimedia content
- compressive sampling
- non stationary
- sparse representation
- closed form
- high dimensional
- original signal
- sparse approximations
- learning environment
- linear transform
- approximation algorithms
- sparse coding
- multimedia information
- high frequency
- approximation methods
- image classification
- digital video
- multimedia databases
- digital libraries
- neural network