Image Enhancement Using Linear Diffusion and an Improved Gradient Map Estimate.
Earl Q. WongV. Ralph AlgaziPublished in: ICIP (3) (1999)
Keyphrases
- image enhancement
- edge detection
- anisotropic diffusion
- diffusion equation
- transfer function
- image processing
- shock filter
- image processing and analysis
- image analysis
- partial differential equations
- contrast enhancement
- enhanced image
- histogram equalization
- median filter
- edge map
- noise removal
- image contrast enhancement
- color image enhancement
- edge detector
- nonlinear diffusion
- structure tensor
- unsharp masking
- gamma correction
- signal to noise ratio
- maximum a posteriori
- feature extraction
- diffusion process
- machine learning
- multiscale
- dynamic range compression
- homomorphic filtering