no code implementations • 21 Oct 2021 • Alexey Kroshnin, Viacheslav Vasilev, Egor Ershov, Denis Shepelev, Dmitry Nikolaev, Mikhail Tchobanou
One of the classical approaches to solving color reproduction problems, such as color adaptation or color space transform, is the use of low-parameter spectral models.
no code implementations • 6 Feb 2020 • Yegor Klochkov, Alexey Kroshnin, Nikita Zhivotovskiy
We consider the robust algorithms for the $k$-means clustering problem where a quantizer is constructed based on $N$ independent observations.
no code implementations • 10 Aug 2018 • Ayagoz Mussabayeva, Alexey Kroshnin, Anvar Kurmukov, Yulia Dodonova, Li Shen, Shan Cong, Lei Wang, Boris A. Gutman
We present a method for metric optimization in the Large Deformation Diffeomorphic Metric Mapping (LDDMM) framework, by treating the induced Riemannian metric on the space of diffeomorphisms as a kernel in a machine learning context.
1 code implementation • ICML 2018 • Pavel Dvurechensky, Alexander Gasnikov, Alexey Kroshnin
We analyze two algorithms for approximating the general optimal transport (OT) distance between two discrete distributions of size $n$, up to accuracy $\varepsilon$.
Data Structures and Algorithms Optimization and Control