Sparse representation for colors of 3D point cloud via virtual adaptive sampling.
Junhui HouLap-Pui ChauYing HePhilip A. ChouPublished in: ICASSP (2017)
Keyphrases
- sparse representation
- adaptive sampling
- dictionary learning
- monte carlo
- random sampling
- sparse coding
- image classification
- face recognition
- compressive sensing
- image representation
- dimensionality reduction
- image patches
- signal processing
- random projections
- compressed sensing
- regularized least squares
- high dimensional data
- control charts
- sparse coefficients
- joint optimization
- sample size
- artificial neural networks
- sampling methods
- data sets