A Novel Variational Model for Detail-Preserving Low-Illumination Image Enhancement.
Yadong XuBeibei SunPublished in: Signal Process. (2022)
Keyphrases
- image enhancement
- homomorphic filtering
- gamma correction
- image processing
- color restoration
- image analysis
- edge detection
- digital camera
- image processing and analysis
- enhanced image
- color image enhancement
- histogram equalization
- image contrast enhancement
- unsharp masking
- contrast enhancement
- partial differential equations
- single image
- median filter
- lighting conditions
- shock filter
- minutiae extraction
- spatially varying
- co occurrence
- viewpoint
- neural network