Automatic estimation of the noise variance in SAR images for use in speckle filtering.
Giovanni RamponiRaffaele D'AlviseCecilia MoloneyPublished in: NSIP (1999)
Keyphrases
- sar images
- synthetic aperture radar
- noise variance
- speckle noise
- noisy images
- wavelet domain
- edge detector
- correlation coefficient
- oil spill
- noise level
- image noise
- parameter estimation
- gaussian noise
- speckle reduction
- wiener filter
- regularization parameter
- noise reduction
- image enhancement
- multiresolution
- multiscale
- machine learning