Keyphrases
- image enhancement
- image analysis
- image processing
- digital image processing
- edge detection
- image processing and analysis
- color image enhancement
- numerical analysis
- median filter
- contrast enhancement
- machine learning
- unsharp masking
- viewpoint
- histogram equalization
- image contrast enhancement
- minutiae extraction
- neural network
- visual attention
- feature vectors
- multiscale
- face recognition
- homomorphic filtering