Image Noise Removal via Hierarchical Subbands Shrinkage Modified by Particle Swarm Optimization.
Baolong GuoYunyi YanXiang FuPublished in: ICNC (4) (2007)
Keyphrases
- noise removal
- denoising
- particle swarm optimization
- edge preservation
- bilateral filter
- edge detection
- image details
- wavelet decomposition
- image analysis
- input image
- wavelet domain
- gaussian noise
- denoising algorithm
- anisotropic diffusion
- scanned documents
- salt and pepper noise
- multiscale
- image denoising
- noise reduction
- multiresolution
- fourth order
- salt and pepper
- wavelet transform
- denoising methods
- image noise
- frequency domain
- image enhancement
- subband
- median filter
- high resolution
- similarity measure
- nl means
- test images
- noise suppression
- noisy images
- diffusion filtering
- spatial domain