Adaptive noise reduction algorithm based on gradient in wavelet feature domain.
Jie LiTianzheng WangFan HuPublished in: SKIMA (2016)
Keyphrases
- transformed image
- power spectrum
- wavelet transform
- noise reduction
- denoising
- image features
- edge detection
- domain specific
- gradient method
- domain independent
- noisy data
- noise level
- multiscale
- wavelet features
- signal to noise ratio
- gradient information
- switching median filter
- gradient estimation
- image processing
- feature vectors
- noise suppression
- multiresolution analysis
- spatially adaptive
- feature set
- wavelet domain
- random noise
- denoising algorithm
- image gradient
- additive noise
- noise removal
- spatial domain