A Hybrid Method Based CT Image Denoising Using Nonsubsampled Contourlet and Curvelet Transforms.
Manoj DiwakarManoj KumarPublished in: CVIP (1) (2016)
Keyphrases
- hybrid method
- wavelet domain
- denoising
- directional filter banks
- shift invariant
- contourlet transform
- image denoising
- wavelet transform
- discrete wavelet transform
- ct images
- subband
- multiscale
- multiresolution
- x ray
- medical images
- translation invariant
- wavelet coefficients
- hybrid algorithm
- noisy images
- high frequency
- natural images
- curvelet transform
- rotation invariant
- medical imaging
- texture retrieval
- image processing
- support vector machine
- image fusion
- machine learning
- particle swarm optimization pso