Multi-scale Fractional-Order Sparse Representation for Image Denoising.
Leilei GengQuan-Sen SunPeng FuYunhao YuanPublished in: ICONIP (3) (2015)
Keyphrases
- image denoising
- sparse representation
- fractional order
- multiscale
- natural images
- image representation
- wavelet coefficients
- partial differential equations
- diffusion equation
- differential equations
- sparse coding
- denoising
- image processing
- total variation
- scale space
- noisy images
- image patches
- transfer function
- face recognition
- edge detection
- image classification
- wavelet transform
- differential evolution
- anisotropic diffusion
- noise removal
- compressive sensing
- signal processing
- image segmentation
- image data
- similarity measure
- image enhancement
- dimensionality reduction
- high dimensional data
- noise level
- object recognition