Beyond SVD: Sparse projections onto exemplar orthonormal bases for compact image representation.
Karthik S. GurumoorthyAjit RajwadeArunava BanerjeeAnand RangarajanPublished in: ICPR (2008)
Keyphrases
- image representation
- singular value decomposition
- sparse coding
- sparse representation
- compressive sensing
- sparse matrix
- basis functions
- multiscale
- image classification
- image content
- bag of words
- feature space
- object recognition
- visual words
- quadtree
- tomographic reconstruction
- singular values
- image retrieval
- image features
- bag of visual words
- least squares
- high dimensional
- receptive fields
- principal component analysis
- rows and columns
- dimensionality reduction
- low rank
- scene classification
- representation scheme
- computer vision
- denoising
- latent semantic analysis
- scene recognition
- data matrix
- feature representations
- linear combination
- image processing