A refined gamma MAP SAR speckle filter with improved geometrical adaptivity.
Andrea BaraldiFlavio ParmiggianiPublished in: IEEE Trans. Geosci. Remote. Sens. (1995)
Keyphrases
- wavelet domain
- sar images
- synthetic aperture radar
- speckle noise
- multiplicative noise
- wavelet transform
- gamma distributions
- filtering scheme
- sar imagery
- automatic target recognition
- speckle reducing anisotropic diffusion
- subband
- maximum a posteriori
- noise reduction
- neural network
- preprocessing step
- adaptive learning
- image reconstruction
- edge detection
- image processing