Image enhancement by nonlinear extrapolation in frequency space.
Hayit GreenspanCharles H. AndersonSofia AkberPublished in: IEEE Trans. Image Process. (2000)
Keyphrases
- image enhancement
- image processing
- digital image processing
- shock filter
- image analysis
- diffusion equation
- image processing and analysis
- contrast enhancement
- edge detection
- numerical analysis
- unsharp masking
- noise removal
- color image enhancement
- image contrast enhancement
- partial differential equations
- histogram equalization
- median filter
- gamma correction
- enhanced image
- denoising
- homomorphic filtering
- nonlinear diffusion
- blind deconvolution
- gray scale
- image data
- multiscale
- feature extraction