Image Speckle Reduction and Coherence Enhancement in Underwater Ultrasonic Imaging Based on Wavelet Transform.
Xiaopeng YanPing LiYueqin LiFengkai XuPublished in: CSSE (6) (2008)
Keyphrases
- speckle reduction
- wavelet transform
- medical ultrasound
- image analysis
- image data
- multiscale
- speckle noise
- ultrasound images
- high resolution
- contrast enhancement
- synthetic aperture
- input image
- image features
- image segmentation
- image processing
- low frequency
- edge detection
- anisotropic diffusion
- multiresolution
- image enhancement
- low contrast
- laplacian pyramid
- sar images
- median filter
- imaging systems
- wavelet domain
- high frequency
- color images