G-IK-SVD: parallel IK-SVD on GPUs for sparse representation of spatial big data.

Weijing Song Ze Deng Lizhe Wang Bo Du Peng Liu Ke Lu

Published 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