Retinal image enhancement using adaptive histogram equalization tuned with nonsimilar grouping curvelet.
A Anilet BalaP. Aruna PriyaVivek MaikPublished in: Int. J. Imaging Syst. Technol. (2021)
Keyphrases
- image enhancement
- adaptive histogram equalization
- contrast enhancement
- retinal images
- histogram equalization
- image analysis
- image processing
- image processing and analysis
- edge detection
- denoising
- blood vessels
- low contrast
- unsharp masking
- image contrast enhancement
- partial differential equations
- color image enhancement
- homomorphic filtering
- transfer function
- enhanced image
- gray level
- image contrast
- dynamic range
- image denoising
- gamma correction
- wavelet transform
- multiscale