Speckle Reduction and Contrast Enhancement of Echocardiograms via Multiscale Nonlinear Processing.
Xuli ZongAndrew LaineEdward A. GeiserPublished in: IEEE Trans. Medical Imaging (1998)
Keyphrases
- contrast enhancement
- multiscale
- speckle reduction
- ultrasound images
- laplacian pyramid
- image enhancement
- edge detection
- low contrast
- scale space
- natural images
- speckle noise
- wavelet transform
- image processing
- transfer function
- low pass
- color images
- gray level
- image segmentation
- wavelet domain
- wavelet coefficients
- median filter
- enhanced image
- affine invariant
- edge preserving
- visual quality
- image data
- image fusion
- partial differential equations