Retinal vessel enhancement using multi-dictionary and sparse coding.
Bin ChenYang ChenZhuhong ShaoLimin LuoPublished in: ICASSP (2016)
Keyphrases
- sparse coding
- sparse representation
- sparse codes
- dictionary learning
- image classification
- natural images
- discriminative dictionary
- object category recognition
- linear combination
- image patches
- generative model
- unsupervised learning
- image representation
- compressive sensing
- visual words
- signal processing
- high dimensional
- image processing
- face recognition
- high dimensional data
- sparse representation based classification
- higher order
- image enhancement
- sparse coefficients
- retinal vessel
- feature space
- test images
- mr images
- n gram
- object recognition
- multiscale