Image Denoising Algorithm Based on Improved Filter in Contourlet Domain.
Hongjun LiZhimin ZhaoPublished in: CSIE (6) (2009)
Keyphrases
- denoising algorithm
- nonlocal means
- denoising
- noise reduction
- denoising methods
- image denoising
- input image
- noise level
- image data
- noise model
- wavelet coefficients
- noisy images
- contourlet domain
- transform domain
- image retrieval
- multiscale
- wavelet domain
- image analysis
- edge detection
- image segmentation
- test images
- image features
- pixel values
- image classification
- gaussian noise
- image representation
- median filter
- noise removal
- peak signal to noise ratio
- color information
- spatial domain
- data fusion