G-IK-SVD: parallel IK-SVD on GPUs for sparse representation of spatial big data.
Weijing SongZe DengLizhe WangBo DuPeng LiuKe LuPublished in: J. Supercomput. (2017)
Keyphrases
- sparse representation
- big data
- singular value decomposition
- reconstruction error
- dimensionality reduction
- dictionary learning
- sparse coding
- commodity hardware
- cloud computing
- parallel programming
- parallel processing
- data analysis
- high dimensional data
- image classification
- data processing
- compressive sensing
- image representation
- image patches
- big data analytics
- face recognition
- social media
- data management
- compressed sensing
- singular values
- business intelligence
- signal processing
- parallel computing
- knowledge discovery
- parallel architectures
- high dimensional
- low rank
- feature space
- multiscale
- object oriented
- principal component analysis
- case study
- sparse coefficients
- databases