Cosmic Ray Detection in Astronomical Images via Dictionary Learning and Sparse Representation.
Srinadh Reddy BhavanamSumohana S. ChannappayyaP. K. SrijithShantanu DesaiPublished in: EUSIPCO (2022)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- test images
- sparse coding
- image super resolution
- face recognition
- input image
- image representation
- image data
- compressed sensing
- group sparsity
- image retrieval
- sparse codes
- ground truth
- image patches
- reconstruction error
- sparsity constraints
- image features
- random projections
- object recognition
- natural images
- compressive sensing
- negative matrix factorization
- object detection
- signal processing
- image set
- pattern recognition
- data mining
- model selection
- neural network