A Non-Local Means Filters for Sar Speckle Reduction with Likelihood Ratio Test.
Jie WuLuís Gómez DénizAlejandro C. FreryPublished in: IGARSS (2022)
Keyphrases
- speckle reduction
- speckle noise
- likelihood ratio test
- noise reduction
- denoising
- sar images
- ultrasound images
- synthetic aperture radar
- likelihood ratio
- hypothesis testing
- low contrast
- median filter
- edge preserving
- multiplicative noise
- signal to noise ratio
- denoising algorithm
- anisotropic diffusion
- wavelet domain
- additive noise
- noise level
- image denoising
- speckle reducing anisotropic diffusion
- image processing
- image reconstruction
- edge detection
- noisy images
- natural images
- video sequences
- contrast enhancement
- blood vessels
- statistical tests
- edge detector
- random variables
- image compression
- multiscale