Sparse representation of two- and three-dimensional images with fractional Fourier, Hartley, linear canonical, and Haar wavelet transforms.
Aykut KoçBurak BartanErhan GundogduTolga ÇukurHaldun M. ÖzaktasPublished in: Expert Syst. Appl. (2017)
Keyphrases
- sparse representation
- three dimensional
- image classification
- test images
- piecewise smooth
- dictionary learning
- wavelet transform
- regularized least squares
- image data
- input image
- sparse coding
- compressed sensing
- haar transform
- translation invariant
- wavelet filters
- fourier domain
- image retrieval
- face recognition
- haar wavelet
- shift invariant
- random projections
- compressive sensing
- image compression
- dimensionality reduction
- image features
- basis vectors
- sparse reconstruction
- image regions
- wavelet decomposition
- multi view
- signal processing
- object recognition
- computer vision
- fourier transform
- data sets
- image representation
- joint optimization
- training data
- feature extraction
- image sequences