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Kun Dong
Scalable Log Determinants for Gaussian Process Kernel Learning
Kun Dong, David Eriksson, Hannes Nickisch, David Bindel, Andrew G. Wilson
Neural Information Processing Systems http://nips.cc/
Scaling Gaussian Process Regression with Derivatives
David Eriksson, Kun Dong, Eric Lee, David Bindel, Andrew G. Wilson
Gaussian processes (GPs) with derivatives are useful in many applications, including Bayesian optimization, implicit surface reconstruction, and terrain reconstruction.
Scaling Gaussian Process Regression with Derivatives
David Eriksson, Kun Dong, Eric Lee, David Bindel, Andrew G. Wilson
Gaussian processes (GPs) with derivatives are useful in many applications, including Bayesian optimization, implicit surface reconstruction, and terrain reconstruction.
Scalable Log Determinants for Gaussian Process Kernel Learning
Kun Dong, David Eriksson, Hannes Nickisch, David Bindel, Andrew G. Wilson
We propose novel O(n) approaches to estimating these quantities from only fast matrix vector multiplications (MVMs). These stochastic approximations are based on Chebyshev, Lanczos, and surrogate models, and converge quickly even for kernel matrices that have challenging spectra. We leverage these approximations to develop a scalable Gaussian process approach to kernel learning. We find that Lanczos is generally superior to Chebyshev for kernel learning, and that a surrogate approach can be highly efficient and accurate with popular kernels.