A Multiscale and Multidirectional Image Denoising Algorithm Based on Contourlet Transform.
Beibei LiXin LiShuxun WangHaifeng LiPublished in: IIH-MSP (2006)
Keyphrases
- contourlet transform
- multiscale
- denoising algorithm
- image denoising
- denoising
- wavelet coefficients
- image representation
- natural images
- translation invariant
- subband
- wavelet domain
- wavelet transform
- discrete wavelet transform
- low frequency
- image fusion
- noisy images
- image processing
- image segmentation
- edge detection
- fusion method
- wavelet decomposition
- high frequency
- texture images
- image analysis
- multiresolution
- pixel values
- noise reduction
- gaussian noise
- image data
- input image
- filter bank
- computer vision
- high quality
- bit rate
- noise level
- higher order
- mathematical morphology
- partial differential equations
- image compression