Directional Weight Based Contourlet Transform Denoising Algorithm for Oct Image.
Fangmin DongQing GuoShuifa SunXuhong RenLiwen WangShiyu FengBruce Zhi GaoPublished in: Intell. Autom. Soft Comput. (2013)
Keyphrases
- contourlet transform
- denoising algorithm
- image denoising
- denoising
- multiscale
- discrete wavelet transform
- image representation
- wavelet coefficients
- subband
- wavelet domain
- translation invariant
- noisy images
- low frequency
- natural images
- multiresolution
- input image
- texture images
- noise level
- fusion method
- image features
- high frequency
- image data
- image analysis
- image processing
- image segmentation
- image fusion
- wavelet transform
- partial differential equations
- image classification
- noise reduction
- frequency domain
- image registration
- image retrieval
- image sequences