Nonstationary 2-D recursive filter for speckle reduction.
Darwin T. KuanAlexander A. SawchukTimothy C. StrandPierre ChavelPublished in: ICASSP (1982)
Keyphrases
- non stationary
- speckle reduction
- ultrasound images
- median filter
- speckle noise
- anisotropic diffusion
- speckle reducing anisotropic diffusion
- medical ultrasound
- noise reduction
- edge preserving
- adaptive algorithms
- additive noise
- random fields
- image enhancement
- low contrast
- structure preserving
- sar images
- speech signal
- multiplicative noise
- laplacian pyramid
- fine details
- image analysis
- gaussian markov random fields
- signal to noise ratio
- color images