Reconstruction of Compressively Sensed Images using Regularized Sparse Dictionary Learning and Adaptive Spectral Filtering.
Amol Mangirish SingbalNishant Deepak KeniRizwan Ahmed AnsariPublished in: ISM (2019)
Keyphrases
- dictionary learning
- sparse representation
- image super resolution
- sparse coding
- object category recognition
- sparsity constraints
- image classification
- single image super resolution
- compressed sensing
- test images
- input image
- image data
- group sparsity
- signal recovery
- image features
- ground truth
- image representation
- image collections
- compressive sensing
- training data
- image retrieval
- object recognition
- natural images
- sparse codes
- dictionary learning for sparse
- image patches
- linear combination
- high resolution