Low-light Image Enhancement Based on Joint Convolutional Sparse Representation and Adaptive Gradient Constraint.
Ying XuePucheng ZhouJie ZhangJiong ZhaoPublished in: CISP-BMEI (2021)
Keyphrases
- image enhancement
- sparse representation
- sparse coding
- low light
- edge detection
- image processing
- image analysis
- reconstruction error
- noise level
- face recognition
- image classification
- noisy images
- object tracking
- signal processing
- contrast enhancement
- image patches
- image representation
- motion blur
- visible spectrum
- image restoration
- high dimensional data
- dimensionality reduction
- test images
- linear combination
- three dimensional
- object recognition
- neural network