Keyphrases
- contrast enhancement
- color restoration
- enhanced image
- image enhancement
- unsharp masking
- histogram equalization
- dynamic range compression
- transfer function
- color images
- multiscale
- visual quality
- low contrast
- gray level
- lighting conditions
- image contrast enhancement
- adaptive histogram equalization
- color constancy
- image analysis
- low pass
- image contrast
- retinex theory
- single image
- high pass
- median filter
- image processing
- image retrieval
- high resolution
- image features
- multiresolution
- gaussian filter
- high frequency
- denoising
- co occurrence
- edge detection
- gray scale