An L1 Legendre-Galerkin spectral method with fast algorithm for the two-dimensional nonlinear coupled time fractional Schrödinger equation and its parameter estimation.
Junqing JiaXiaoyun JiangHui ZhangPublished in: Comput. Math. Appl. (2021)
Keyphrases
- parameter estimation
- em algorithm
- expectation maximization
- parameters estimation
- segmentation algorithm
- hamilton jacobi
- distance transform
- model selection
- maximum likelihood
- model fitting
- optimization method
- least squares
- k means
- similarity measure
- maximum likelihood estimation
- prior information
- random fields
- estimation algorithm
- segmentation method
- markov random field
- approximate inference
- finite difference
- parameter estimation algorithm
- gibbs sampling
- machine learning
- partial differential equations
- probabilistic model
- closed form
- parameter estimates
- pairwise
- differential equations
- eikonal equation
- posterior distribution
- mrf model
- energy function
- estimation problems
- image segmentation
- data mining
- wave equation