Polarimetric SAR image classification based on contextual sparse representation.
Lamei ZhangLiangjie SunWooil M. MoonPublished in: IGARSS (2015)
Keyphrases
- sparse representation
- image classification
- polarimetric sar
- sparse coding
- dictionary learning
- image representation
- image features
- bag of words
- compressed sensing
- compressive sensing
- feature extraction
- synthetic aperture radar
- negative matrix factorization
- regularized least squares
- joint optimization
- image patches
- sar images
- random projections
- norm minimization
- sparse codes
- sparse coefficients
- image processing
- computer vision
- visual words
- test images
- sar data
- unsupervised learning
- image retrieval
- signal processing