Image Features Extraction and Fusion Based on Joint Sparse Representation.
Nannan YuTianshuang QiuFeng BiAiqi WangPublished in: IEEE J. Sel. Top. Signal Process. (2011)
Keyphrases
- sparse representation
- image features
- image classification
- joint optimization
- image representation
- dictionary learning
- sparse coding
- reconstruction error
- compressive sensing
- object tracking
- compressed sensing
- image patches
- face recognition
- random projections
- computer vision
- sparse approximations
- high dimensional data
- test images
- signal processing
- dimensionality reduction
- feature vectors
- regularized least squares
- sparsity constraints
- negative matrix factorization
- sparse reconstruction
- bag of words
- visual words
- object recognition
- decision trees
- input image
- image processing
- machine learning