Sparse Representation for Coarse and Fine Object Recognition.
Thang V. PhamArnold W. M. SmeuldersPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2006)
Keyphrases
- sparse representation
- object recognition
- coarse to fine
- image representation
- dictionary learning
- object detection
- sparse coding
- multiresolution
- image classification
- computer vision
- multiscale
- face recognition
- compressive sensing
- compressed sensing
- coarse scale
- joint optimization
- random projections
- negative matrix factorization
- reconstruction error
- natural images
- high dimensional data
- image patches
- d objects
- scene classification
- regularized least squares
- sparse approximations
- signal processing
- image features
- test images
- image matching
- object tracking
- sparse learning
- object categories
- dimensionality reduction
- norm minimization
- sparse reconstruction
- data sets
- feature matching
- image reconstruction
- keypoints
- high dimensional