Denoising and Optical and SAR Image Classifications Based on Feature Extraction and Sparse Representation.
Battula BalnarsaiahG. RajithaPublished in: CoRR (2021)
Keyphrases
- sparse representation
- sar images
- denoising
- wavelet domain
- feature extraction
- synthetic aperture radar
- image classification
- face recognition
- image processing
- optical images
- image denoising
- dimensionality reduction
- dictionary learning
- frequency domain
- sparse coding
- noisy images
- natural images
- signal processing
- total variation
- compressed sensing
- wavelet transform
- image patches
- compressive sensing
- image representation
- joint optimization
- pattern recognition
- computer vision
- random projections
- gaussian noise
- high dimensional data
- feature vectors
- texture features
- feature space
- principal component analysis
- edge detector
- machine learning
- multiscale
- texture analysis
- spatial domain
- feature selection
- co occurrence
- sparse coefficients
- multiresolution
- gabor filters
- edge detection
- image quality
- wavelet coefficients
- image reconstruction