A new speckle reduction algorithm of polsar images based on a combined Gaussian random field model and wavelet edge detection approach.
Masoud MahdianPariBahram SalehiFariba MohammadimaneshPublished in: IGARSS (2017)
Keyphrases
- edge detection
- random field model
- multiscale
- random fields
- noise reduction
- edge detector
- noisy images
- medical ultrasound
- ultrasound images
- image enhancement
- gaussian noise
- laplacian pyramid
- edge points
- zero crossing
- image features
- speckle reduction
- image analysis
- contrast enhancement
- gaussian filter
- edge detection algorithm
- image processing
- segmentation method
- higher order
- anisotropic diffusion
- speckle noise
- scale space
- denoising
- wavelet transform
- haar wavelet
- edge detection algorithms
- computer vision
- filter bank
- input image
- multiresolution
- sobel operator