Order Preserving Sparse Coding.
Bingbing NiPierre MoulinShuicheng YanPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2015)
Keyphrases
- order preserving
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- unsupervised learning
- linear combination
- image representation
- generative model
- image patches
- hash functions
- high dimensional
- feature space
- nearest neighbor
- visual words
- face recognition
- dimensionality reduction
- text classification
- least squares
- input image
- feature vectors