Sparse representation for image classification via paired dictionary learning.
Hui-Hung WangChia-Wei TuChen-Kuo ChiangPublished in: Multim. Tools Appl. (2019)
Keyphrases
- sparse representation
- dictionary learning
- image classification
- sparse coding
- image representation
- image super resolution
- image features
- class specific
- bag of words
- feature extraction
- image patches
- negative matrix factorization
- compressive sensing
- group sparsity
- visual words
- random projections
- compressed sensing
- sparse codes
- reconstruction error
- single image super resolution
- test images
- image retrieval
- sparsity constraints
- computer vision
- training data
- face recognition