Block Compressive Sensing of Image and Video with Nonlocal Lagrangian Multiplier and Patch-based Sparse Representation.
Chien Van TrinhKhanh Quoc DinhByeungwoo JeonMartin BurgerPublished in: CoRR (2017)
Keyphrases
- compressive sensing
- sparse representation
- compressive sampling
- image representation
- image classification
- learned dictionary
- test images
- image super resolution
- dictionary learning
- image patches
- sparse reconstruction
- sparse coding
- random projections
- compressed sensing
- image features
- input image
- image data
- sparse coefficients
- group sparsity
- orthogonal matching pursuit
- face recognition
- image segmentation
- signal processing
- multiscale
- natural images
- single image super resolution
- video sequences
- structured sparsity
- image retrieval
- object recognition
- feature selection
- image processing
- denoising
- feature space