Despeckling SAR images based on a new probabilistic model in nonsubsampled contourlet transform domain.
Xiaolin TianLicheng JiaoXiaohua ZhangPublished in: Signal Image Video Process. (2014)
Keyphrases
- sar images
- transform domain
- probabilistic model
- contourlet domain
- spatial domain
- wavelet domain
- shift invariant
- directional filter banks
- synthetic aperture radar
- contourlet transform
- discrete wavelet transform
- frequency domain
- image denoising
- speckle noise
- motion estimation
- bayesian networks
- additive noise
- multiresolution
- wavelet transform
- oil spill
- subband
- translation invariant
- edge detector
- multiscale
- data hiding
- watermarking algorithm
- low frequency
- macroblock
- three dimensional
- high frequency
- wavelet coefficients
- texture images
- image representation
- image reconstruction
- denoising
- video sequences
- high resolution