Two-stage image segmentation based on nonconvex ℓ2-ℓp approximation and thresholding.
Tingting WuJinbo ShaoXiaoyu GuMichael K. NgTieyong ZengPublished in: Appl. Math. Comput. (2021)
Keyphrases
- image segmentation
- gray level
- multiscale
- region growing
- multilevel thresholding
- level set
- image processing
- otsu method
- adaptive thresholding
- convex optimization
- approximation error
- image analysis
- shape prior
- global optimization
- deformable models
- energy function
- image segmentation algorithm
- method for image segmentation
- markov random field
- contour detection
- optimization problems
- thresholding methods
- convex functions
- boundary detection
- level set method
- approximation algorithms
- global thresholding
- spectral clustering
- segmentation algorithm
- computer vision
- graph cuts
- approximation schemes
- objective function
- stationary points
- segmentation method
- closed form
- error bounds
- object segmentation
- nonlinear programming
- ground truth
- active contours
- clustering algorithm
- wavelet transform
- evolutionary algorithm