Speckle Reduction of SAR Images using Sure-based Adaptive Sigmoid Thresholding in the Wavelet Domain.
Johannes R. SveinssonMagnus O. UlfarssonJón Atli BenediktssonPublished in: IGARSS (4) (2009)
Keyphrases
- wavelet domain
- sar images
- speckle noise
- speckle reduction
- denoising
- synthetic aperture radar
- wavelet denoising
- wavelet coefficients
- spatial domain
- discrete wavelet transform
- wavelet transform
- multiscale
- contourlet domain
- multiresolution
- image denoising
- subband
- human visual system
- high frequency
- image processing
- frequency domain
- noisy images
- gray level
- natural images
- image segmentation
- ultrasound images
- higher order
- scale space
- object recognition