Wavelet denoising via sparse representation.
Ruizhen ZhaoXiaoYu LiuChing-Chung LiRobert J. SclabassiMingui SunPublished in: Sci. China Ser. F Inf. Sci. (2009)
Keyphrases
- sparse representation
- wavelet denoising
- denoising
- wavelet domain
- noisy images
- wavelet basis
- dictionary learning
- sparse coding
- image denoising
- face recognition
- image patches
- wavelet coefficients
- image classification
- signal processing
- denoising methods
- image representation
- object tracking
- high dimensional data
- image processing
- natural images
- spatial domain
- dimensionality reduction
- sparse coefficients
- frequency domain
- multiresolution
- test images
- image compression
- pattern recognition
- wavelet transform
- human visual system
- image reconstruction
- filter bank
- subband