Numerical differentiation by a Fourier extension method with super-order regularization.
Baoqin ChenZhenyu ZhaoZhi LiZehong MengPublished in: Appl. Math. Comput. (2018)
Keyphrases
- significant improvement
- high accuracy
- data sets
- detection method
- objective function
- sensitivity analysis
- synthetic data
- fourier series
- fast fourier transform
- prior information
- energy function
- cost function
- em algorithm
- dynamic programming
- segmentation method
- image reconstruction
- high precision
- prior knowledge
- pairwise
- computational complexity
- finite difference
- similarity measure