A Hessian for Gaussian Mixture Likelihoods in Nonlinear Least Squares.
Vassili KorotkineMitchell R. CohenJames Richard ForbesPublished in: IEEE Robotics Autom. Lett. (2024)
Keyphrases
- gaussian mixture
- nonlinear least squares
- trust region
- least squares
- hessian matrix
- levenberg marquardt
- image registration
- em algorithm
- maximum likelihood
- log likelihood
- closed form
- subpixel accuracy
- gaussian mixture model
- mixture model
- covariance matrix
- expectation maximization
- probability density function
- density estimation
- kl divergence
- random variables
- artificial neural networks
- multiscale
- step size
- global optimum
- column generation
- back propagation
- feature extraction
- training data
- np hard
- bundle adjustment
- optimization methods
- convergence rate
- clustering algorithm