Sparse-Coding Adapted to SAR Images with an Application to Despeckling.
Sonia TabtiLuisa VerdolivaGiovanni PoggiPublished in: IGARSS (2018)
Keyphrases
- sar images
- sparse coding
- synthetic aperture radar
- dictionary learning
- natural images
- sparse representation
- image classification
- unsupervised learning
- linear combination
- speckle noise
- image representation
- generative model
- feature space
- wavelet domain
- high dimensional
- visual words
- image patches
- edge detector
- denoising
- multiscale
- co occurrence
- input image
- small number
- feature extraction
- face recognition
- computer vision