Joint local constraint and fisher discrimination based dictionary learning for image classification.
Yali PengShigang LiuXili WangXiaojun WuPublished in: Neurocomputing (2020)
Keyphrases
- dictionary learning
- image classification
- sparse coding
- sparse representation
- class specific
- sparse codes
- sparsity constraints
- image representation
- image super resolution
- bag of words
- group sparsity
- visual words
- image features
- visual recognition
- discriminative power
- object category recognition
- classifier training
- feature extraction
- natural images
- feature vectors
- image patches
- discriminative dictionary
- data sets
- dictionary learning for sparse
- visual categorization
- global constraints
- active learning