A Fractional-Order Variational Framework for Retinex: Fractional-Order Partial Differential Equation-Based Formulation for Multi-Scale Nonlocal Contrast Enhancement with Texture Preserving.
Yi-Fei PuPatrick SiarryAmitava ChatterjeeZhengning WangZhang YiYiguang LiuJiliu ZhouYan WangPublished in: IEEE Trans. Image Process. (2018)
Keyphrases
- variational framework
- contrast enhancement
- partial differential equations
- multiscale
- energy functional
- level set
- image enhancement
- image segmentation
- transfer function
- textured images
- gray level
- pid controller
- diffusion equation
- natural images
- image processing
- edge detection
- anisotropic diffusion
- shape prior
- curve evolution
- variational methods
- active contours
- scale space
- differential equations
- image denoising
- color images
- texture segmentation
- single scale
- texture analysis
- wavelet transform
- wavelet coefficients
- optic flow
- image analysis
- image structure
- texture features
- texture images
- markov random field
- input image
- median filter
- noise removal
- global optimization
- local binary pattern
- machine learning
- deformable models
- high quality
- computer vision