Speckle-noise reduction via "rotated elliptical-thresholding" in an homomorphic complex-wavelet domain.
Edmund Hui-On NgKainam Thomas WongJerry Chi-Ling LamPublished in: ICIP (3) (2005)
Keyphrases
- wavelet domain
- speckle noise
- denoising
- sar images
- wavelet denoising
- spatial domain
- wavelet coefficients
- image denoising
- multiscale
- wavelet transform
- discrete wavelet transform
- shift invariant
- synthetic aperture radar
- ultrasound images
- human visual system
- multiresolution
- subband
- natural images
- high frequency
- low contrast
- image processing
- noisy images
- gray level
- additive noise
- denoising algorithm
- computer vision
- visual quality
- feature vectors
- frequency domain