An improved contrast enhancement for dark images with non-uniform illumination based on edge preservation.
Thae Song KimSu Hyon KimPublished in: Multim. Syst. (2023)
Keyphrases
- contrast enhancement
- edge preservation
- image enhancement
- histogram equalization
- tone mapping
- noise removal
- input image
- color images
- gray level
- edge preserving
- enhanced image
- low pass
- multiscale
- low contrast
- image contrast
- transfer function
- edge detection
- anisotropic diffusion
- image features
- image analysis
- noise reduction
- image denoising
- image data
- spatial domain
- image processing
- visual quality
- fourth order