Dictionary learning based image enhancement for rarity detection
Weifeng LiuXiaomeng WangYanjiang WangPublished in: CoRR (2013)
Keyphrases
- image enhancement
- dictionary learning
- sparse representation
- sparse coding
- image analysis
- edge detection
- image processing
- histogram equalization
- median filter
- partial differential equations
- contrast enhancement
- image contrast enhancement
- pattern recognition
- multiscale
- high quality
- transfer function
- reconstruction error
- color restoration
- image representation
- neural network
- unsupervised learning
- natural images
- image classification
- probabilistic model
- data analysis
- data mining