Sparse representation based computed tomography images reconstruction by coupled dictionary learning algorithm.
Farah DeebaKun SheFayaz Ali DharejoYuanchun ZhouPublished in: IET Image Process. (2020)
Keyphrases
- computed tomography images
- sparse representation
- learning algorithm
- compressed sensing
- compressive sensing
- automatic segmentation
- dictionary learning
- image super resolution
- subspace learning
- classification algorithm
- sparse coding
- machine learning
- image classification
- training data
- reinforcement learning
- face recognition
- high dimensional data
- machine learning algorithms
- image reconstruction
- training examples
- back propagation
- dimensionality reduction
- random projections
- image patches
- image representation
- abdominal organs
- learning tasks
- sparse signal representation
- discrete tomography
- data sets
- active learning
- decision trees
- multiscale
- learning process
- manifold learning
- learning problems
- training samples