Keyphrases
- image enhancement
- image processing
- image analysis
- soft thresholding
- edge detection
- image processing and analysis
- histogram equalization
- partial differential equations
- image contrast enhancement
- contrast enhancement
- color image enhancement
- denoising
- median filter
- gamma correction
- image denoising
- visual information
- visual features
- unsharp masking
- shock filter
- human vision
- minutiae extraction
- neural network
- machine learning
- homomorphic filtering
- enhanced image
- transfer function
- total variation
- noise reduction
- low level
- object recognition
- image sequences