SAR image despeckling based on improved Directionlet domain Gaussian Mixture Model.
Biao HouH. GuanJ. G. JiangK. LiuLicheng JiaoPublished in: IGARSS (2011)
Keyphrases
- sar images
- gaussian mixture model
- synthetic aperture radar
- mixture model
- em algorithm
- speckle noise
- expectation maximization
- feature vectors
- background subtraction
- maximum likelihood
- sar imagery
- wavelet domain
- edge detector
- sar image segmentation
- gaussian mixture modeling
- feature space
- image reconstruction
- probabilistic model
- visual features
- edge detection
- prior knowledge
- multiscale
- computer vision