Image Denoising Based on Overcomplete Topographic Sparse Coding.
Haohua ZhaoJun LuoZhiheng HuangTakefumi NagumoJun MurayamaLiqing ZhangPublished in: ICONIP (3) (2013)
Keyphrases
- sparse coding
- image denoising
- natural images
- denoising
- noisy images
- higher order
- total variation
- multiscale
- sparse representation
- image patches
- object recognition
- shift invariant
- input image
- image deblurring
- denoising algorithm
- linear combination
- image representation
- unsupervised learning
- generative model
- wavelet domain
- image classification
- graphical models
- image features
- high dimensional