Image Noise Reduction via Geometric Multiscale Ridgelet Support Vector Transform and Dictionary Learning.
Shuyuan YangMin WangLinfang ZhaoZhiyi WangPublished in: IEEE Trans. Image Process. (2013)
Keyphrases
- noise reduction
- multiscale
- edge detection
- dictionary learning
- denoising algorithm
- image representation
- sparse coding
- sparse representation
- image segmentation
- signal to noise ratio
- image classification
- edge preserving
- noise level
- natural images
- noisy images
- input image
- bilateral filter
- image processing
- denoising
- test images
- ridgelet transform
- image features
- wavelet transform
- high resolution
- multiresolution
- object recognition
- scale space
- wavelet domain
- dimensionality reduction
- wavelet decomposition
- anisotropic diffusion
- keypoints
- image retrieval
- probabilistic model
- wavelet coefficients
- image denoising
- image regions