Identification for the Low-Contrast Image Signal with Regularized Variational Term and Dynamical Saturating Nonlinearity.
Ning ZhangYumei MaZhenkuan PanBaoxiang HuangDongcheng WangPublished in: J. Syst. Sci. Complex. (2023)
Keyphrases
- low contrast
- high contrast
- background noise
- gray value
- image segmentation
- speckle noise
- contrast enhancement
- smoothness term
- enhanced image
- image gradient
- input image
- gray level
- fully automatic
- blood vessels
- image data
- multiscale
- intensity variations
- segmentation method
- image analysis
- edge detection
- computer vision
- image retrieval
- multiresolution
- optical flow
- pixel values
- denoising
- energy functional
- frequency domain
- pattern recognition
- region of interest
- prior shape knowledge