Compressed sensing SAR imaging based on sparse representation in fractional Fourier domain.
Hongxia BuXia BaiRan TaoPublished in: Sci. China Inf. Sci. (2012)
Keyphrases
- compressed sensing
- fourier domain
- fourier transform
- sparse representation
- frequency domain
- space variant
- log polar
- signal processing
- spatial domain
- radon transform
- random projections
- image classification
- wavelet domain
- gabor filters
- denoising
- point spread function
- image reconstruction
- image processing
- high dimensional data
- pattern recognition
- noisy images
- image patches
- feature selection
- natural images
- scale space
- optic flow
- image data
- feature extraction
- face recognition