Despeckling Medical Ultrasound Images using the Contourlet Transform.
P. S. HiremathPrema T. AkkasaligarSharan BadigerPublished in: IICAI (2009)
Keyphrases
- ultrasound images
- contourlet transform
- multiscale
- speckle noise
- subband
- multiresolution
- image fusion
- ultrasound imaging
- image denoising
- discrete wavelet transform
- wavelet transform
- high frequency
- low frequency
- texture images
- image representation
- speckle reduction
- edge detection
- translation invariant
- partial differential equations
- wavelet coefficients
- image segmentation
- natural images
- fusion method
- image compression
- denoising
- wavelet domain
- co occurrence
- object recognition
- laplacian pyramid
- gray scale