Speckle reduction of SAR images using curvelet and wavelet transforms based on spatial features characteristics.
Mohammad Alioghli FazelSaeid HomayouniVahid AkbariMasoud MahdianPariPublished in: IGARSS (2012)
Keyphrases
- sar images
- speckle reduction
- spatial features
- speckle noise
- synthetic aperture radar
- wavelet transform
- wavelet domain
- ultrasound images
- denoising
- edge detector
- anisotropic diffusion
- spatial information
- median filter
- low contrast
- wavelet coefficients
- multiresolution
- edge preserving
- image compression
- subband
- translation invariant
- image denoising
- spatial objects
- edge detection
- discrete wavelet transform
- object recognition
- spatial domain
- natural images
- noise reduction
- multiscale
- markov random field
- scale space
- additive noise
- image analysis
- fully automatic
- high frequency