A novel image denoising algorithm using linear Bayesian MAP estimation based on sparse representation.
Dong SunQingwei GaoYixiang LuZhixiang HuangTeng LiPublished in: Signal Process. (2014)
Keyphrases
- map estimation
- sparse representation
- denoising algorithm
- image super resolution
- image classification
- denoising
- test images
- maximum likelihood
- image representation
- dictionary learning
- image denoising
- image prior
- noisy images
- maximum a posteriori
- image data
- image features
- noise reduction
- multiscale
- input image
- sparse coding
- single image
- markov random field
- natural images
- high dimensional data
- compressive sensing
- wavelet coefficients
- face recognition
- signal processing
- em algorithm
- dimensionality reduction
- transform domain
- image regions
- similarity measure
- image segmentation
- image retrieval
- ground truth
- image patches
- super resolution
- energy function
- wavelet domain
- higher order
- object recognition