Keyphrases
- image enhancement
- contrast enhancement
- histogram equalization
- image analysis
- edge detection
- homomorphic filtering
- image contrast enhancement
- enhanced image
- image preprocessing
- unsharp masking
- gamma correction
- image processing
- image data
- color image enhancement
- median filter
- image contrast
- input image
- single image
- image segmentation
- multiscale
- transfer function
- image features
- image retrieval
- fingerprint images
- edge detector
- region of interest
- reconstruction error
- color restoration