Sparse Representations for Image Decompositions.
Davi GeigerTyng-Luh LiuMichael J. DonahuePublished in: Int. J. Comput. Vis. (1999)
Keyphrases
- sparse representation
- image classification
- image representation
- image data
- test images
- image retrieval
- image features
- input image
- multiscale
- reconstruction error
- piecewise smooth
- dictionary learning
- sparse reconstruction
- sparse coding
- dimensionality reduction
- image patches
- feature representation
- feature points
- image matching
- orthogonal matching pursuit
- face recognition
- joint optimization
- higher order
- feature matching
- image regions
- high dimensional data
- compressed sensing
- high resolution
- object recognition
- feature extraction
- image segmentation