Sparsity-Driven Laplacian-Regularized Outlier Identification for Dictionary Learning.
Pedro A. ForeroScott ShaferJosh HarguessPublished in: IEEE Trans. Signal Process. (2017)
Keyphrases
- dictionary learning
- sparsity constraints
- sparse coding
- sparse representation
- image classification
- natural images
- group sparsity
- image representation
- orthogonal matching pursuit
- linear combination
- face recognition
- image patches
- object category recognition
- generative model
- signal processing
- neural network
- compressive sensing
- sparse codes
- negative matrix factorization
- low rank
- test images
- high dimensional
- visual words
- unsupervised learning
- dimensionality reduction
- image features
- active learning
- dictionary learning for sparse