Phase refinement for image prediction based on sparse representation.
Aurélie MartinJean-Jacques FuchsChristine GuillemotDominique ThoreauPublished in: Visual Information Processing and Communication (2010)
Keyphrases
- sparse representation
- image representation
- image classification
- test images
- reconstruction error
- dictionary learning
- compressive sensing
- input image
- image features
- image data
- single image
- piecewise smooth
- image segmentation
- sparse coefficients
- multiscale
- face recognition
- sparse coding
- joint optimization
- image retrieval
- sparse reconstruction
- random projections
- basis vectors
- high resolution
- similarity measure
- orthogonal matching pursuit
- regularized least squares
- sparse signal representation
- keypoints
- fourier domain
- image patches
- object tracking
- image regions
- data sets
- object recognition
- image processing
- feature selection
- neural network