Online dictionary learning from big data using accelerated stochastic approximation algorithms.
Konstantinos SlavakisGeorgios B. GiannakisPublished in: ICASSP (2014)
Keyphrases
- approximation algorithms
- big data
- dictionary learning
- sparse representation
- np hard
- sparse coding
- special case
- cloud computing
- data management
- big data analytics
- worst case
- data analysis
- social media
- primal dual
- data processing
- business intelligence
- knowledge discovery
- constant factor approximation
- machine learning
- data warehousing
- object oriented
- pattern recognition
- face recognition
- database systems
- case study