Adaptive ADMM for Dictionary Learning in Convolutional Sparse Representation.
Guan-Ju PengPublished in: IEEE Trans. Image Process. (2019)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- group sparsity
- image classification
- face recognition
- sparse codes
- image representation
- image patches
- single image super resolution
- discriminative power
- natural images
- compressed sensing
- negative matrix factorization
- compressive sensing
- dimensionality reduction
- signal processing
- unsupervised learning
- test images
- high dimensional data
- feature selection
- total variation
- random projections
- norm minimization
- data sets
- probabilistic model
- computer vision
- training data
- linear combination
- object recognition
- higher order